Wed 2-Aug-95
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Wed 2-Aug-95
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Linux network driver modules
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Linux network driver modules
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Do not mistake this to "README.modules" at the top-level
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Do not mistake this to "README.modules" at the top-level
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directory! That document tells about modules in general, while
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directory! That document tells about modules in general, while
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this one tells only about network device driver modules.
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this one tells only about network device driver modules.
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This is a potpourri of INSMOD-time(*) configuration options
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This is a potpourri of INSMOD-time(*) configuration options
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(if such exists) and their default values of various modules
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(if such exists) and their default values of various modules
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on Linux network drivers collection.
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on Linux network drivers collection.
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Some modules have also hidden (= non-documented) tunable values.
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Some modules have also hidden (= non-documented) tunable values.
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Choice of not documenting them is based on general belief, that
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Choice of not documenting them is based on general belief, that
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the less user needs to know, the better. (There are things that
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the less user needs to know, the better. (There are things that
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driver developer can use, others should not confuse themselves.)
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driver developer can use, others should not confuse themselves.)
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In many cases it is highly preferred that insmoding is done
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In many cases it is highly preferred that insmoding is done
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ONLY with defining an explicit address for the card, AND BY
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ONLY with defining an explicit address for the card, AND BY
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NOT USING AUTO-PROBING!
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NOT USING AUTO-PROBING!
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Now most cards have some explicitly defined base address, they
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Now most cards have some explicitly defined base address, they
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are compiled with (to avoid auto-probing, among other things).
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are compiled with (to avoid auto-probing, among other things).
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If that compiled value does not match your actual configuration,
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If that compiled value does not match your actual configuration,
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do use "io=0xXXX" -parameter for the insmod, and give there
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do use "io=0xXXX" -parameter for the insmod, and give there
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a value matching your environment.
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a value matching your environment.
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If you are adventurous, you can ask the driver to autoprobe
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If you are adventurous, you can ask the driver to autoprobe
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by using "io=0" parameter, however it is potentially dangerous
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by using "io=0" parameter, however it is potentially dangerous
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thing to do in a live system. (If you don't know where the
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thing to do in a live system. (If you don't know where the
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card is located, you can try autoprobing, and after possible
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card is located, you can try autoprobing, and after possible
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crash recovery, insmod with proper IO-address..)
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crash recovery, insmod with proper IO-address..)
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--------------------------
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--------------------------
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(*) "INSMOD-time" means when you load module with
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(*) "INSMOD-time" means when you load module with
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/sbin/insmod you can feed it optional parameters.
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/sbin/insmod you can feed it optional parameters.
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See "man insmod".
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See "man insmod".
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--------------------------
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--------------------------
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8390 based Network Modules (Paul Gortmaker, Nov 12, 1995)
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8390 based Network Modules (Paul Gortmaker, Nov 12, 1995)
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--------------------------
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--------------------------
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(Includes: smc-ultra, ne, wd, 3c503, hp, hp-plus, e2100 and ac3200)
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(Includes: smc-ultra, ne, wd, 3c503, hp, hp-plus, e2100 and ac3200)
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The 8390 series of network drivers now support multiple card systems without
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The 8390 series of network drivers now support multiple card systems without
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reloading the same module multiple times (memory efficient!) This is done by
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reloading the same module multiple times (memory efficient!) This is done by
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specifying multiple comma separated values, such as:
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specifying multiple comma separated values, such as:
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insmod 3c503.o io=0x280,0x300,0x330,0x350 xcvr=0,1,0,1
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insmod 3c503.o io=0x280,0x300,0x330,0x350 xcvr=0,1,0,1
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The above would have the one module controlling four 3c503 cards, with card 2
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The above would have the one module controlling four 3c503 cards, with card 2
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and 4 using external transceivers. The "insmod" manual describes the usage
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and 4 using external transceivers. The "insmod" manual describes the usage
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of comma separated value lists.
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of comma separated value lists.
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It is *STRONGLY RECOMMENDED* that you supply "io=" instead of autoprobing.
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It is *STRONGLY RECOMMENDED* that you supply "io=" instead of autoprobing.
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If an "io=" argument is not supplied, then the ISA drivers will complain
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If an "io=" argument is not supplied, then the ISA drivers will complain
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about autoprobing being not recommended, and begrudgingly autoprobe for
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about autoprobing being not recommended, and begrudgingly autoprobe for
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a *SINGLE CARD ONLY* -- if you want to use multiple cards you *have* to
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a *SINGLE CARD ONLY* -- if you want to use multiple cards you *have* to
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supply an "io=0xNNN,0xQQQ,..." argument.
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supply an "io=0xNNN,0xQQQ,..." argument.
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The ne module is an exception to the above. A NE2000 is essentially an
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The ne module is an exception to the above. A NE2000 is essentially an
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8390 chip, some bus glue and some RAM. Because of this, the ne probe is
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8390 chip, some bus glue and some RAM. Because of this, the ne probe is
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more invasive than the rest, and so at boot we make sure the ne probe is
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more invasive than the rest, and so at boot we make sure the ne probe is
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done last of all the 8390 cards (so that it won't trip over other 8390 based
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done last of all the 8390 cards (so that it won't trip over other 8390 based
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cards) With modules we can't ensure that all other non-ne 8390 cards have
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cards) With modules we can't ensure that all other non-ne 8390 cards have
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already been found. Because of this, the ne module REQUIRES an "io=0xNNN"
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already been found. Because of this, the ne module REQUIRES an "io=0xNNN"
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argument passed in via insmod. It will refuse to autoprobe.
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argument passed in via insmod. It will refuse to autoprobe.
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It is also worth noting that auto-IRQ probably isn't as reliable during
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It is also worth noting that auto-IRQ probably isn't as reliable during
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the flurry of interrupt activity on a running machine. Cards such as the
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the flurry of interrupt activity on a running machine. Cards such as the
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ne2000 that can't get the IRQ setting from an EEPROM or configuration
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ne2000 that can't get the IRQ setting from an EEPROM or configuration
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register are probably best supplied with an "irq=M" argument as well.
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register are probably best supplied with an "irq=M" argument as well.
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----------------------------------------------------------------------
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----------------------------------------------------------------------
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Card/Module List - Configurable Parameters and Default Values
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Card/Module List - Configurable Parameters and Default Values
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----------------------------------------------------------------------
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----------------------------------------------------------------------
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3c501.c:
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3c501.c:
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io = 0x280 IO base address
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io = 0x280 IO base address
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irq = 5 IRQ
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irq = 5 IRQ
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(Probes ports: 0x280, 0x300)
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(Probes ports: 0x280, 0x300)
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3c503.c:
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3c503.c:
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io = 0 (It will complain if you don't supply an "io=0xNNN")
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io = 0 (It will complain if you don't supply an "io=0xNNN")
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irq = 0 (IRQ software selected by driver using autoIRQ)
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irq = 0 (IRQ software selected by driver using autoIRQ)
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xcvr = 0 (Use xcvr=1 to select external transceiver.)
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xcvr = 0 (Use xcvr=1 to select external transceiver.)
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(Probes ports: 0x300, 0x310, 0x330, 0x350, 0x250, 0x280, 0x2A0, 0x2E0)
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(Probes ports: 0x300, 0x310, 0x330, 0x350, 0x250, 0x280, 0x2A0, 0x2E0)
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3c505.c:
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3c505.c:
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io = 0x300
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io = 0x300
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irq = 0
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irq = 0
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(Probes ports: 0x300, 0x280, 0x310)
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(Probes ports: 0x300, 0x280, 0x310)
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3c507.c:
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3c507.c:
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io = 0x300
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io = 0x300
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irq = 0
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irq = 0
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(Probes ports: 0x300, 0x320, 0x340, 0x280)
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(Probes ports: 0x300, 0x320, 0x340, 0x280)
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3c509.c:
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3c509.c:
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io = 0
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io = 0
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irq = 0
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irq = 0
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( Module load-time probing Works reliably only on EISA, ISA ID-PROBE
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( Module load-time probing Works reliably only on EISA, ISA ID-PROBE
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IS NOT RELIABLE! Compile this driver statically into kernel for
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IS NOT RELIABLE! Compile this driver statically into kernel for
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now, if you need it auto-probing on an ISA-bus machine. )
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now, if you need it auto-probing on an ISA-bus machine. )
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8390.c:
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8390.c:
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(No public options, several other modules need this one)
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(No public options, several other modules need this one)
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ac3200.c:
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ac3200.c:
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io = 0 (Checks 0x1000 to 0x8fff in 0x1000 intervals)
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io = 0 (Checks 0x1000 to 0x8fff in 0x1000 intervals)
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irq = 0 (Read from config register)
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irq = 0 (Read from config register)
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(EISA probing..)
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(EISA probing..)
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apricot.c:
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apricot.c:
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io = 0x300 (Can't be altered!)
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io = 0x300 (Can't be altered!)
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irq = 10
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irq = 10
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arcnet.c:
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arcnet.c:
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io = 0
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io = 0
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irqnum = 0
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irqnum = 0
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shmem = 0
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shmem = 0
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num = 0
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num = 0
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DO SET THESE MANUALLY AT INSMOD!
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DO SET THESE MANUALLY AT INSMOD!
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(When probing, looks at the following possible addresses:
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(When probing, looks at the following possible addresses:
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Suggested ones:
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Suggested ones:
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0x300, 0x2E0, 0x2F0, 0x2D0
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0x300, 0x2E0, 0x2F0, 0x2D0
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Other ones:
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Other ones:
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0x200, 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x270,
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0x200, 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x270,
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0x280, 0x290, 0x2A0, 0x2B0, 0x2C0,
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0x280, 0x290, 0x2A0, 0x2B0, 0x2C0,
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0x310, 0x320, 0x330, 0x340, 0x350, 0x360, 0x370,
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0x310, 0x320, 0x330, 0x340, 0x350, 0x360, 0x370,
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0x380, 0x390, 0x3A0, 0x3E0, 0x3F0 )
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0x380, 0x390, 0x3A0, 0x3E0, 0x3F0 )
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at1700.c:
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at1700.c:
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io = 0x260
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io = 0x260
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irq = 0
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irq = 0
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(Probes ports: 0x260, 0x280, 0x2A0, 0x240, 0x340, 0x320, 0x380, 0x300)
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(Probes ports: 0x260, 0x280, 0x2A0, 0x240, 0x340, 0x320, 0x380, 0x300)
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atp.c: *Not modularized*
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atp.c: *Not modularized*
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(Probes ports: 0x378, 0x278, 0x3BC;
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(Probes ports: 0x378, 0x278, 0x3BC;
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fixed IRQs: 5 and 7 )
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fixed IRQs: 5 and 7 )
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de4x5.c:
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de4x5.c:
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io = 0x000b
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io = 0x000b
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irq = 10
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irq = 10
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is_not_dec = 0 -- For non-DEC card using DEC 21040/21041/21140 chip, set this to 1
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is_not_dec = 0 -- For non-DEC card using DEC 21040/21041/21140 chip, set this to 1
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(EISA, and PCI probing)
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(EISA, and PCI probing)
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de600.c:
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de600.c:
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de600_debug = 0
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de600_debug = 0
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(On port 0x378, irq 7 -- lpt1; compile time configurable)
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(On port 0x378, irq 7 -- lpt1; compile time configurable)
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de620.c:
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de620.c:
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bnc = 0, utp = 0 <-- Force media by setting either.
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bnc = 0, utp = 0 <-- Force media by setting either.
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io = 0x378 (also compile-time configurable)
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io = 0x378 (also compile-time configurable)
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irq = 7
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irq = 7
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depca.c:
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depca.c:
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io = 0x200
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io = 0x200
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irq = 7
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irq = 7
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(Probes ports: ISA: 0x300, 0x200;
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(Probes ports: ISA: 0x300, 0x200;
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EISA: 0x0c00 )
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EISA: 0x0c00 )
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dummy.c:
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dummy.c:
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No options
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No options
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e2100.c:
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e2100.c:
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io = 0 (It will complain if you don't supply an "io=0xNNN")
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io = 0 (It will complain if you don't supply an "io=0xNNN")
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irq = 0 (IRQ software selected by driver)
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irq = 0 (IRQ software selected by driver)
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mem = 0 (Override default shared memory start of 0xd0000)
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mem = 0 (Override default shared memory start of 0xd0000)
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xcvr = 0 (Use xcvr=1 to select external transceiver.)
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xcvr = 0 (Use xcvr=1 to select external transceiver.)
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(Probes ports: 0x300, 0x280, 0x380, 0x220)
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(Probes ports: 0x300, 0x280, 0x380, 0x220)
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eepro.c:
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eepro.c:
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io = 0x200
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io = 0x200
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irq = 0
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irq = 0
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(Probes ports: 0x200, 0x240, 0x280, 0x2C0, 0x300, 0x320, 0x340, 0x360)
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(Probes ports: 0x200, 0x240, 0x280, 0x2C0, 0x300, 0x320, 0x340, 0x360)
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eexpress.c:
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eexpress.c:
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io = 0x300
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io = 0x300
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irq = 0 (IRQ value read from EEPROM)
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irq = 0 (IRQ value read from EEPROM)
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(Probes ports: 0x300, 0x270, 0x320, 0x340)
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(Probes ports: 0x300, 0x270, 0x320, 0x340)
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eql.c:
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eql.c:
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(No parameters)
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(No parameters)
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ewrk3.c:
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ewrk3.c:
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io = 0x300
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io = 0x300
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irq = 5
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irq = 5
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(With module no autoprobing!
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(With module no autoprobing!
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On EISA-bus does EISA probing.
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On EISA-bus does EISA probing.
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Static linkage probes ports on ISA bus:
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Static linkage probes ports on ISA bus:
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0x100, 0x120, 0x140, 0x160, 0x180, 0x1A0, 0x1C0,
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0x100, 0x120, 0x140, 0x160, 0x180, 0x1A0, 0x1C0,
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0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0,
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0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0,
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0x300, 0x340, 0x360, 0x380, 0x3A0, 0x3C0)
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0x300, 0x340, 0x360, 0x380, 0x3A0, 0x3C0)
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hp-plus.c:
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hp-plus.c:
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io = 0 (It will complain if you don't supply an "io=0xNNN")
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io = 0 (It will complain if you don't supply an "io=0xNNN")
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irq = 0 (IRQ read from configuration register)
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irq = 0 (IRQ read from configuration register)
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(Probes ports: 0x200, 0x240, 0x280, 0x2C0, 0x300, 0x320, 0x340)
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(Probes ports: 0x200, 0x240, 0x280, 0x2C0, 0x300, 0x320, 0x340)
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hp.c:
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hp.c:
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io = 0 (It will complain if you don't supply an "io=0xNNN")
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io = 0 (It will complain if you don't supply an "io=0xNNN")
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irq = 0 (IRQ software selected by driver using autoIRQ)
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irq = 0 (IRQ software selected by driver using autoIRQ)
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(Probes ports: 0x300, 0x320, 0x340, 0x280, 0x2C0, 0x200, 0x240)
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(Probes ports: 0x300, 0x320, 0x340, 0x280, 0x2C0, 0x200, 0x240)
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hp100.c:
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hp100.c:
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hp100_port = 0 (IO-base address)
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hp100_port = 0 (IO-base address)
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(Does EISA-probing, if on EISA-slot;
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(Does EISA-probing, if on EISA-slot;
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On ISA-bus probes all ports from 0x100 thru to 0x3E0
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On ISA-bus probes all ports from 0x100 thru to 0x3E0
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in increments of 0x020)
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in increments of 0x020)
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ibmtr.c:
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ibmtr.c:
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io = 0xA20
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io = 0xA20
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(Probes ports: 0xA20, 0xA24 -- Ok, 0x220, 0x224, but IBM style..)
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(Probes ports: 0xA20, 0xA24 -- Ok, 0x220, 0x224, but IBM style..)
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lance.c: *Not modularized*
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lance.c: *Not modularized*
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(PCI, and ISA probing; "CONFIG_PCI" needed for PCI support)
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(PCI, and ISA probing; "CONFIG_PCI" needed for PCI support)
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(Probes ISA ports: 0x300, 0x320, 0x340, 0x360)
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(Probes ISA ports: 0x300, 0x320, 0x340, 0x360)
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loopback.c: *Static kernel component*
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loopback.c: *Static kernel component*
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ne.c:
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ne.c:
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io = 0 (Explicitly *requires* an "io=0xNNN" value)
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io = 0 (Explicitly *requires* an "io=0xNNN" value)
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irq = 0 (Tries to determine configured IRQ via autoIRQ)
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irq = 0 (Tries to determine configured IRQ via autoIRQ)
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(Probes ports: 0x300, 0x280, 0x320, 0x340, 0x360)
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(Probes ports: 0x300, 0x280, 0x320, 0x340, 0x360)
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net_init.c: *Static kernel component*
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net_init.c: *Static kernel component*
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ni52.c: *Not modularized*
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ni52.c: *Not modularized*
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(Probes ports: 0x300, 0x280, 0x360, 0x320, 0x340
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(Probes ports: 0x300, 0x280, 0x360, 0x320, 0x340
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mems: 0xD0000, 0xD2000, 0xC8000, 0xCA000,
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mems: 0xD0000, 0xD2000, 0xC8000, 0xCA000,
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0xD4000, 0xD6000, 0xD8000 )
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0xD4000, 0xD6000, 0xD8000 )
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ni65.c: *Not modularized* **16MB MEMORY BARRIER BUG**
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ni65.c: *Not modularized* **16MB MEMORY BARRIER BUG**
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(Probes ports: 0x300, 0x320, 0x340, 0x360)
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(Probes ports: 0x300, 0x320, 0x340, 0x360)
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pi2.c: *Not modularized* (well, NON-STANDARD modularization!)
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pi2.c: *Not modularized* (well, NON-STANDARD modularization!)
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Only one card supported at this time.
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Only one card supported at this time.
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(Probes ports: 0x380, 0x300, 0x320, 0x340, 0x360, 0x3A0)
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(Probes ports: 0x380, 0x300, 0x320, 0x340, 0x360, 0x3A0)
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plip.c:
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plip.c:
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io = 0
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io = 0
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irq = 0 (by default, uses IRQ 5 for port at 0x3bc, IRQ 7
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irq = 0 (by default, uses IRQ 5 for port at 0x3bc, IRQ 7
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for port at 0x378, and IRQ 2 for port at 0x278)
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for port at 0x378, and IRQ 2 for port at 0x278)
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(Probes ports: 0x278, 0x378, 0x3bc)
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(Probes ports: 0x278, 0x378, 0x3bc)
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ppp.c:
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ppp.c:
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No options (ppp-2.2+ has some, this is based on non-dynamic
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No options (ppp-2.2+ has some, this is based on non-dynamic
|
version from ppp-2.1.2d)
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version from ppp-2.1.2d)
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seeq8005.c: *Not modularized*
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seeq8005.c: *Not modularized*
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(Probes ports: 0x300, 0x320, 0x340, 0x360)
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(Probes ports: 0x300, 0x320, 0x340, 0x360)
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sk_g16.c: *Not modularized*
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sk_g16.c: *Not modularized*
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(Probes ports: 0x100, 0x180, 0x208, 0x220m 0x288, 0x320, 0x328, 0x390)
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(Probes ports: 0x100, 0x180, 0x208, 0x220m 0x288, 0x320, 0x328, 0x390)
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skeleton.c: *Skeleton*
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skeleton.c: *Skeleton*
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slhc.c:
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slhc.c:
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No configuration parameters
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No configuration parameters
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slip.c:
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slip.c:
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slip_maxdev = 256 (default value from SL_NRUNIT on slip.h)
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slip_maxdev = 256 (default value from SL_NRUNIT on slip.h)
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smc-ultra.c:
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smc-ultra.c:
|
io = 0 (It will complain if you don't supply an "io=0xNNN")
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io = 0 (It will complain if you don't supply an "io=0xNNN")
|
irq = 0 (IRQ val. read from EEPROM)
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irq = 0 (IRQ val. read from EEPROM)
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(Probes ports: 0x200, 0x220, 0x240, 0x280, 0x300, 0x340, 0x380)
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(Probes ports: 0x200, 0x220, 0x240, 0x280, 0x300, 0x340, 0x380)
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tulip.c: *Partial modularization*
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tulip.c: *Partial modularization*
|
(init-time memory allocation makes problems..)
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(init-time memory allocation makes problems..)
|
|
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tunnel.c:
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tunnel.c:
|
No insmod parameters
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No insmod parameters
|
|
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wavelan.c:
|
wavelan.c:
|
io = 0x390 (Settable, but change not recommended)
|
io = 0x390 (Settable, but change not recommended)
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irq = 0 (Not honoured, if changed..)
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irq = 0 (Not honoured, if changed..)
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|
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wd.c:
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wd.c:
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io = 0 (It will complain if you don't supply an "io=0xNNN")
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io = 0 (It will complain if you don't supply an "io=0xNNN")
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irq = 0 (IRQ val. read from EEPROM, ancient cards use autoIRQ)
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irq = 0 (IRQ val. read from EEPROM, ancient cards use autoIRQ)
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mem = 0 (Force shared-memory on address 0xC8000, or whatever..)
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mem = 0 (Force shared-memory on address 0xC8000, or whatever..)
|
mem_end = 0 (Force non-std. mem. size via supplying mem_end val.)
|
mem_end = 0 (Force non-std. mem. size via supplying mem_end val.)
|
(eg. for 32k WD8003EBT, use mem=0xd0000 mem_end=0xd8000)
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(eg. for 32k WD8003EBT, use mem=0xd0000 mem_end=0xd8000)
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(Probes ports: 0x300, 0x280, 0x380, 0x240)
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(Probes ports: 0x300, 0x280, 0x380, 0x240)
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|
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znet.c: *Not modularized*
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znet.c: *Not modularized*
|
(Only one device on Zenith Z-Note (notebook?) systems,
|
(Only one device on Zenith Z-Note (notebook?) systems,
|
configuration information from (EE)PROM)
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configuration information from (EE)PROM)
|
|
|
