[rescue] Re: Identifying Alphastation 250 graphics card

Gavin Hubbard ghub005 at xtra.co.nz
Mon May 5 05:24:12 CDT 2003

>On 2003.05.02 20:24 Curtis H. Wilbar Jr. wrote:
>> I have a PCI video card (or should I say "cards" as it is two cards
>> connected together) for an Alphastation 250.
>> The cards seem to have KA541 and KA542 at the beginning of their
>> (part?) numbers.
>> There are lots of chips on these two cards.
>> Can anyone tell me what this card set is ?
>> I'm assuming since it is genuine DEC

>From the rough description, it sounds like you have an Intergraph
Powerstorm 4D40, 4D40, or 4D60 card. I think you need a (separately
available) texture module upgrade to bring them up to 4D40T-4D60T spec but
I could be wrong. The two board construction results from needing a Cirrus
VGA chip on one board to take care of the text mode console, and a 3D
accelerator chipset (Intergraph Realizm) for graphics.

I used to have a 4D40T in my PWS 500a. IIRC the card is supported for
graphics in Tru64, but only supported for text in OpenVMS (as the VGA chip
has a almost no memory). It also runs fine under Windows NT.



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