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Add note on handling the O2 framebuffer, and how to work around the

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non-support, by giving instructions for a serial console.

By Daniel Sieger <dsieger@TechFak.Uni-Bielefeld.DE>
This commit is contained in:
hubertf 2006-12-20 00:40:16 +00:00
parent b1a085da3c
commit 9f28cd0b4a
2 changed files with 23 additions and 3 deletions
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4
distrib/notes/sgimips/hardware
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@ -1,4 +1,4 @@
.\" $NetBSD: hardware,v 1.12 2006/09/03 19:19:14 rumble Exp $
.\" $NetBSD: hardware,v 1.13 2006/12/20 00:40:16 hubertf Exp $
.
.Nx*M
is aimed to run on MIPS-based computers manufactured by
@ -119,7 +119,7 @@ On-board Parallel Port (IP22/24)
.
.Ss2 Unsupported devices
.(bullet -offset indent
Some graphics adapters
Some graphics adapters (e.g. the O2 framebuffer)
.It
Video hardware
.It

22
distrib/notes/sgimips/prep
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@ -1,4 +1,4 @@
.\" $NetBSD: prep,v 1.6 2005/03/01 00:23:59 sekiya Exp $
.\" $NetBSD: prep,v 1.7 2006/12/20 00:40:16 hubertf Exp $
.
First and foremost, before beginning the installation process,
.Em make sure you have a reliable backup
@ -52,5 +52,25 @@ to more suitable values. For example:
.Dl # Ic sysctl -w net.inet.ip.anonportmin=16384
.Dl # Ic sysctl -w net.inet.ip.anonportmax=32767
.Pp
.Ic Note about installing on a O2:
Unfortunately, the O2 graphics hardware is not supported yet. Thus,
you have to use a serial console to boot and install
NetBSD. Disconnect the keyboard from your target machine. Connect the
O2 with a standard DB9 serial cable to a remote machine. After
powering up the O2 you can connect to the serial console with
.Pp
.Dl "# cu -l /dev/ttyXX
.Pp
where XX is the serial port used on your remote machine (usually
.Pa /dev/tty00
or
.Pa /dev/tty01
). Enter the Command Monitor from the System Maintenance Menu. In
order to boot the kernel properly you also have to modify the PROM
environment with
.Pp
.Dl "> setenv console serial
.Pp
Afterwards, just continue with the normal installation procedure.
.\" The O2 internal MACE Ethernet chip isn't supported yet, so to boot the O2
.\" and mount nfsroot, you will need an external NIC in the PCI slot.