[comp.unix.sysv386] VPIX and LPT1: and VGA

tron1@tronsbox.xei.com (Kenneth Jamieson) (05/24/91)

	Ok .. two questions for you VPIX guru's.


1) I need to run "Brooklyn Bridge" or a similar product under VPIX, is there
   a way to add one of the lpt ports as a dda so that the dos program can
   get to the lpt hardware ??

   I realize that that will take it away from unix.

2) Can anyone confirm that the VPIX upgrade will allow the use of the
   hi res modes of a SVGA card (Video Seven VRAM) in vpix ?? 

   The theory is that if you remove vga.rom it will load the rom from the
   card and then you can set any mode you want .. is this true ????

	Thanks!


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john@jwt.UUCP (John Temples) (05/27/91)

In article <1639@tronsbox.xei.com> tron1@tronsbox.xei.com (Kenneth Jamieson) writes:
>is there a way to add one of the lpt ports as a dda

Comment out the appropriate PLEL[12] entry from /usr/vpix/etc/vpixdevs.
Then you can add the LPT port as a DDA.  Don't specify an IRQ when
adding the DDA.

>   The theory is that if you remove vga.rom it will load the rom from the
>   card and then you can set any mode you want .. is this true ????

It works on some cards, but I think others have problems.
-- 
John W. Temples -- john@jwt.UUCP (uunet!jwt!john)

nlane@well.sf.ca.us (Nathan D. Lane) (05/30/91)

In article <#M3+PGM@jwt.UUCP> john@jwt.UUCP (John Temples) writes:
>>   The theory is that if you remove vga.rom it will load the rom from the
>>   card and then you can set any mode you want .. is this true ????
>
>It works on some cards, but I think others have problems.
>-- 
>John W. Temples -- john@jwt.UUCP (uunet!jwt!john)

My additional problem in this story about removing commenting from vga.rom -
it doesn't work right!  When I comment out vga.rom, VP/ix boots and then
tries to boot my SCSI bios instead of the VGA bios!  It may boot the VGA,
but then I guess VP/ix goes and looks for anymore BIOS's it can boot and finds
my SCSI.  It dies after that.  (So bad I have to reboot Unix - via a cold
reset - fsck doesn't like that at all!)  Is there a way to config VP/ix
to look ONLY for the VGA bios and not any additional BIOS in the system?

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