[rescue] SGI Crimson boot sequence?
mail at g-lenerz.de
Tue Jun 1 10:25:50 CDT 2004
Tuesday, June 1, 2004, 4:10:06 PM, you wrote:
> I have 1 extra card, to the right he only has 2 cards (1 RM2 and 1 DG1)
> and 1 have 3 (2 RM2 and 1 DG1). Do you know where one can get these edge
> connector boards (front bus)? I'd like to find one with 4 or 5 slots
> span, instead of my 3 slot span unit.
for VGX/VGXT graphics you can only have one or two Raster Manager
boards, more are only possible with Reality Engine graphics.
For the front bus there are 3 different boards:
030-0155-001 -> connects GM and GE
030-0160-001 -> connects RM, RM and DG
030-0195-001 -> connects RM, RM, VO1 and DG
> Also, on the GM3 graphics manager board, there is a non shielded DB9
> connector. Any idea what that might be? I'm really surprised that none
> of the schematics or manuals have found their way on the net. Even SGI
> no longer supports any of that stuff...
That is a serial port. You can attach a terminal there and watch the
graphics subsystem come alive.
> The more I am looking at this, the more I think I might have a problem
> with the IO3B. No led stay on after the POST cycle (during which 1 scsi
> and 1 ethernet led go on then off).
I currently can't remember if any LEDs are supposed to stay on. It's
possible that all/most of them are used to monitor activity on the
More information about the rescue