25 Mar
2006
25 Mar
'06
5:08 p.m.
whos AD? It seems the PS2 model 25 has something
similar also (G171?). I was hoping there was nothing
but off the shelf stuph on this thing. I have an IBM
PGA card on the way - does that have a crt controller
also in addition to an 8088? Seeing that these things
may have formed the basis for the VGA, what other
cards/systems have them? I would really appreciate the
data sheet if you can find the time.
--- cctech-bounces at classiccmp.org <RMeenaks at olf.com>
wrote:
That is the INMOS G170 graphics chip. Used in the
IBM graphics cards.
I got the datasheet somewhere in my house :-)
I remember AD also made a pin-compatible version of
it too...
Cheers,
Ram
> -----Original Message-----
> From: cctalk-bounces at classiccmp.org
> [mailto:cctalk-bounces at classiccmp.org] On Behalf
Of Chris M
> Sent: Sunday, March 19, 2006 11:28 PM
> To: tech
> Subject: another mysterious chip
>
>
> First line: circle possibly with M in it, INMOS B.
> Second line: IMSG170S35 (pretty sure). Third line:
> 8611 - obviously date of manufacture. Chip has a
gold
> cover, and is present on a dual 8-bit graphics
card
> made by Vermont Microsystems, 80188 on board
(similar
> to an IBM PGA card). Works in a P166MMX DTK
mobo...but
> not in my IBM PC/AT. And yer know what else...it
> emulates CGA (pretty well seemingly, but only
tested
> it with QBasic thus far). O for the drivers to
access
> its wild advanced modes *snifful*.
>
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