Re: [foxboro] What video card in a AW51b
- From: Kevin FitzGerrell <fitzgerrell@xxxxxxxxxxxxxxx>
- To: "foxboro@xxxxxxxxxxxxx" <foxboro@xxxxxxxxxxxxx>
- Date: Mon, 10 Mar 2003 18:14:20 +1300 (NZDT)
Frits,
/dev/fb0 (and /dev/fb1 on dual headed boxes) are linked to the video drivers,
so ls -l /dev/fb0 should show:
lrwxrwxrwx 1 root root 10 Jan 13 08:57 /dev/fb0 ->
fbs/cgsix0
B boxes normally had cgsix frame buffer (GX or Turbo GX video cards), although
I commonly see CGthree cards in B boxes (probably migrated from A boxes).
You can also browse the messages files:
dmesg | egrep '(cgthree|cgsix)' to see your video cards.
You're probably running both cards at 1152x900x76. To see the refresh rate dig
into the output of:
# prtconf -vp
or, download the fbinfo script from Sun at:
http://www.sunhelp.org/faq/progs/fbinfo
In most cases you shouldn't have to set the video resolution. Default
resolution is set by returned sense code according to the following:
Code TGXplus(1) TGX(2) GXplus GX (LSC chip)
-------------------------------------------------------------------
7 1152x900x66 1152x900x66 1152x900x66 1152x900x66
6 1152x900x76 1152x900x76 1152x900x76 1152x900x76
5 1024x768x60 1024x768x60 1152x900x66 1152x900x66
4 1152x900x76 1152x900x76 1280x1024x67 1152x900x76
3 1152x900x66 1152x900x66 1152x900x66 1152x900x66
2 1280x1024x76 1152x900x66 mutant(3) mutant(3)
1 1600x1280x76 1152x900x66 mutant(4) mutant(4)
0 1024x768x77 1024x768x77 1152x900x66 1152x900x66
Setting B box video card resolutions is not trivial. D and E boxes have
command line tools (m64config, ffbconfig and GFXconfig), but B boxes need
changes made to the eeprom. To reset the resolution on the primary video card
you can do:
# eeprom output-device=screen:r1152x900x66
and reboot, or at the Forth toolkit ok> prompt:
ok> setenv output-device screen:r1152x900x66
and boot.
To set the second video card resolution, see the Sun Frame Buffer FAQ
description at:
http://www.sunhelp.org/faq/FrameBuffer.html#2b
Regards,
Kevin FitzGerrell
Systems Engineer
Foxboro New Zealand
+64 9 573 7690
Quoting "Schouten, Frits JF" <Frits.Schouten@xxxxxxxxxxxx>:
> Hello all,
>
> How can I find out, without popping the lid of the AW51b, what video
> card is
> installed?
> I want to change the resolution.
>
> The AW is actively in use and I can't remove it to examine but the
> screen
> let the smoke out and I have to replace it with someting else.
> I've tried a few CRT's but they indicate a too high refresh rate.
> The Compaq LCD 1701 seems to do the job but only half. There is a black
> vertical bar (3cm) on the left hand side.
>
> Once I've found out which card it is, how can I change the refresh
> rate?
>
> Thanks,
>
> Frits Schouten
> Process Computing Department
> New Zealand Steel
> Phone: +64 +9 375 8111 ext 5261
> Email: Frits.Schouten@xxxxxxxxxxxx
>
>
>
> EOM
>
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