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# $Id: w11a_os_guide.txt 469 2013-01-05 12:29:44Z mueller $
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# $Id: w11a_os_guide.txt 511 2013-04-27 13:51:46Z mueller $
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Guide to run operating system images on w11a systems
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Guide to run operating system images on w11a systems
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Table of content:
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Table of content:
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1. I/O emulation setup ----------------------------------------------------
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1. I/O emulation setup ----------------------------------------------------
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All UNIBUS peripherals which exchange data (currently DL11, LP11, PC11, RK11)
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All UNIBUS peripherals which exchange data (currently DL11, LP11, PC11, RK11)
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are currently emulated via a backend process. In the current version the
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are currently emulated via a backend process. The communication between
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communication between FPGA board and backend is via the serial port, either
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FPGA board and backend server can be via
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directly or via a USB-RS232 adapter. A direct connection is limited to 115k
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Baud on most PCs, while a connection via a USB-RS232 adapter was tested up
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- Serial port
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to 460k Baud.
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- via direct (/dev/ttySx) or via a USB-RS232 adapter. A direct connection
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is limited to 115k Baud on most PCs, while a connection via a USB-RS232
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adapter was tested up to 460k Baud. A USB-RS232 adapter is thus highly
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recommended
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- via integrated USB-RS232 adapter, like on nexys3 board. This is much
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faster, allows bitrates up to 2 M Baud.
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Notes: - A USB-RS232 cable with a Prolific Technology PL2303 chip simply
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Notes: - A USB-RS232 cable with a Prolific Technology PL2303 chip simply
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never gave reliable connections for higher Baud rates.
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never gave reliable connections for higher Baud rates.
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- A USB-RS232 cable with a FTDI FT232R chip, like the cable offered
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- A USB-RS232 cable with a FTDI FT232R chip, like the cable offered
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by FTDI as US232R-100 worked fine.
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by FTDI as US232R-100 worked fine.
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- On older linux kernels (prior 2.6.32) it is essential to set the
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- On older linux kernels (prior 2.6.32) it is essential to set the
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latency timer for the FTDI USB-RS232 cable to 1 ms (from the power
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latency timer for the FTDI USB-RS232 cable to 1 ms (from the
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in default of 16 ms), e.g. with
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power up default of 16 ms), e.g. with
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sudo $RETROBASE/tools/bin/set_ftdi_lat USB0 1
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sudo $RETROBASE/tools/bin/set_ftdi_lat USB0 1
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For linux kernel 2.6.32 or newer the default is 1 ms already.
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For linux kernel 2.6.32 or newer the default is 1 ms already.
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- the following assumes that a USB-RS232 cable with FTDI chip is used
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- The rest assumes that a USB-RS232 cable with FTDI chip is used
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- A 460k Baud connection gives in practice a disk throughput of
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A 460k Baud connection gives in practice a disk throughput of about 20 kB/s.
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about 20 kB/s. This allows to test the system but is a bit slow
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This allows to test the system but is a bit slow to real usage. In an OS
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to real usage. In an OS with good disk caching like 2.11BSD the
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with good disk caching like 2.11BSD the impact of such a 'slow disk' is
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impact of such a 'slow disk' is actually smaller than the bare
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actually smaller than the bare numbers suggest.
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numbers suggest.
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- Direct USB connection using a Cypress FX2 USB controller
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- is supported on the nexys2 and nexys3 FPGA boards
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- clearly much faster than serial port connections
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- also allows to configure the FPGA over the same USB connection
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2. FPGA Board setup -------------------------------------------------------
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2. FPGA Board setup -------------------------------------------------------
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- Using serial port
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- for s3board and nexys2
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- for s3board and nexys2
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- connect the USB-RS232 cable to the RS232 port of the s3board or nexys2
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- connect the USB-RS232 cable to the RS232 port of the s3board or nexys2
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- for kernel < 2.6.32: set the latency timer of the USB-RS232, e.g. with
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- for kernel < 2.6.32: set the latency timer of the USB-RS232, e.g. with
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sudo $RETROBASE/tools/bin/set_ftdi_lat USB0 1
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sudo $RETROBASE/tools/bin/set_ftdi_lat USB0 1
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- ensure that all 8 switches are in the indicated positions (SWI=xxxxxxxx)
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- ensure that all 8 switches are in the indicated positions (SWI=...)
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- load the w11a design into the FPGA, e.g. via impact
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- load the w11a design into the FPGA, e.g. via impact
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- for nexys3
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- for nexys3
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- connect USB cable to the 'usb uart' port (next to the 5 buttons)
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- connect USB cable to the 'usb uart' port (next to the 5 buttons)
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- ensure that all 8 switches are in the indicated positions (SWI=xxxxxxxx)
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- ensure that all 8 switches are in the indicated positions (SWI=...)
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- load the w11a design into the FPGA, e.g. via impact
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- load the w11a design into the FPGA, e.g. via impact
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- Using Cypress FX2 USB controller
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- for nexys2
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- connect USB cable to mini-USB connector (between RS232 and PS/2 port)
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! Must be connected to a USB port able to deliver 500 mA !
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3. Unix V5 system ---------------------------------------------------------
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3. Unix V5 system ---------------------------------------------------------
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- A disk set is available from
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- A disk set is available from
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http://www.retro11.de/data/oc_w11/unix_v5_rkset.tgz
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http://www.retro11.de/data/oc_w11/unix_v5_rkset.tgz
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Download, unpack and copy the disk images (*.dsk) to
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Download, unpack and copy the disk images (*.dsk) to
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$RETROBASE/rtl/sys_gen/w11a/tb
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$RETROBASE/rtl/sys_gen/w11a/tb
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- Setup USB-RS232 cable, start xterm in vt100 mode and the server backend
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- Using old (pi_rri) backend server (serial port only)
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Note: It is essential that the settings of the board switches are correct
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in the following indicated by SWI = xxxxxxxx.
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cd $RETROBASE/rtl/sys_gen/w11a/tb
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cd $RETROBASE/rtl/sys_gen/w11a/tb
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sudo $RETROBASE/tools/bin/set_ftdi_lat USB0 1
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telnet_starter -d DL0 &
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telnet_starter -d DL0 &
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[for s3,n2:]
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[for s3,n2:]
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SWI = 00000010
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SWI = 00000010
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dorri -u0,460,1,2 @uv5_boot.pcmd
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dorri -u0,460,1,2 @uv5_boot.pcmd
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[for n3:]
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[for n3:]
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SWI = 00000010
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SWI = 00000010
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dorri -u0,2000,1,2 @uv5_boot.pcmd
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dorri -u0,2000,1,2 @uv5_boot.pcmd
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- Using new (ti_rri) backend server (serial and fx2 supported)
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cd $RETROBASE/rtl/sys_gen/w11a/tb
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telnet_starter -d DL0 &
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[for s3,n2 over serial:]
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SWI = 00000010
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torri -tu0,460k,break,xon @uv5_boot.tcl
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[for n3 over serial:]
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SWI = 00000010
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torri -tu0,2M,break,xon @uv5_boot.tcl
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[for n2,n3 over fx2:]
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SWI = 00000100
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torri -u @uv5_boot.tcl
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- the boot dialog in the console xterm window will look like
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- the boot dialog in the console xterm window will look like
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(required input is in {..}, with {} denoting a carriage return:
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(required input is in {..}, with {} denoting a carriage return:
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@{unix}
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@{unix}
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- A disk set is available from
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- A disk set is available from
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http://www.retro11.de/data/oc_w11/211bsd_rkset.tgz
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http://www.retro11.de/data/oc_w11/211bsd_rkset.tgz
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Download, unpack and copy the disk images (*.dsk) to
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Download, unpack and copy the disk images (*.dsk) to
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$RETROBASE/rtl/sys_gen/w11a/tb
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$RETROBASE/rtl/sys_gen/w11a/tb
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- Setup USB-RS232 cable, start two xterm in vt100 mode and the server backend
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- Using old (pi_rri) backend server (serial port only)
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Note: It is essential that the settings of the board switches are correct
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in the following indicated by SWI = xxxxxxxx.
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cd $RETROBASE/rtl/sys_gen/w11a/tb
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cd $RETROBASE/rtl/sys_gen/w11a/tb
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sudo $RETROBASE/tools/bin/set_ftdi_lat USB0 1
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sudo $RETROBASE/tools/bin/set_ftdi_lat USB0 1
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telnet_starter -d DL0 &
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telnet_starter -d DL0 &
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telnet_starter -d DL1 &
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telnet_starter -d DL1 &
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[for s3,n2:]
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[for s3,n2:]
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SWI = 00000010
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SWI = 00000010
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dorri -u0,460,1,2 @211bsd_rk_boot.pcmd
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dorri -u0,460,1,2 @211bsd_rk_boot.pcmd
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[for n3:]
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[for n3:]
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SWI = 00000010
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SWI = 00000010
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dorri -u0,2000,1,2 @211bsd_rk_boot.pcmd
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dorri -u0,2000,1,2 @211bsd_rk_boot.pcmd
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- Using new (ti_rri) backend server (serial and fx2 supported)
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cd $RETROBASE/rtl/sys_gen/w11a/tb
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telnet_starter -d DL0 &
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[for s3,n2 over serial:]
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SWI = 00000010
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torri -tu0,460k,break,xon @211bsd_rk_boot.tcl
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[for n3 over serial:]
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SWI = 00000010
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torri -tu0,2M,break,xon @211bsd_rk_boot.tcl
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[for n2,n3 over fx2:]
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SWI = 00000100
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torri -u @211bsd_rk_boot.tcl
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- the boot dialog in the console xterm window will look like
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- the boot dialog in the console xterm window will look like
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(required input is in {..}, with {} denoting a carriage return:
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(required input is in {..}, with {} denoting a carriage return:
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70Boot from rk(0,0,0) at 0177404
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70Boot from rk(0,0,0) at 0177404
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: {}
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: {}
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standard daemons: update cron accounting.
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standard daemons: update cron accounting.
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starting lpd
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starting lpd
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starting local daemons:Sun Jan 4 16:46:37 PST 2009
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starting local daemons:Sun Jan 4 16:46:37 PST 2009
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January 4 16:46:37 init: kernel security level changed from 0 to 1
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January 4 16:46:37 init: kernel security level changed from 0 to 1
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January 4 16:46:40 getty: /dev/tty01: Device not configured
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January 4 16:46:40 getty: /dev/tty01: Device not configured
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...
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January 4 16:46:40 getty: /dev/tty00: Device not configured
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2.11 BSD UNIX (curly.2bsd.com) (console)
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2.11 BSD UNIX (curly.2bsd.com) (console)
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login: {root}
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login: {root}
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erase, kill ^U, intr ^C
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erase, kill ^U, intr ^C
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/dev/rk4h on /usr
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/dev/rk4h on /usr
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# {halt}
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# {halt}
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syncing disks... done
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syncing disks... done
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halting
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halting
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Now the server process can be stopped with two ^D.
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Now the server process can be stopped with ^D.
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Now the server process can be stopped with ^D.
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Now the server process can be stopped with ^D.
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