Re: XGA-2 Driver

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1 total messages Started by Bert Tyler Thu, 28 Jan 1993 10:06

#16718

Author: Bert Tyler
Date: Thu, 28 Jan 1993 10:06

28 lines
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> I have a PS/2 Model 77, 9577-0NA with OS/2 Preload and an NEC 4FG Monitor
> being driven by an XGA-2 video card.  My problem is that the screen flickers
> like crazy!

PN>Your problem is probably that you're running your XGA-2 in interlaced mode!

PN> #1 Get a suitable video cable with an XGA-2 plug that has *all* the
PN>    pins required (and connected) for non-interlaced mode operation.
PN> #2 If 1) doesn't help - have your monitor serviced!

Umm, no, that's not his problem.  I'm confident that he has the right
cable and that his monitor is just fine.

The problem is that the NEC 4FG reports itself to the adapter as being
an IBM 8514 monitor.  This isn't a design flaw with the 4FG or its
worthy competitors - back when they were designed, IBM's new 16-bit
monitor ID algorithm wasn't available, and the only IBM-compatible
1024x768-capable monitor IDs available were for interlaced monitors.

The solution (which someone has already posted) is to run the
appropriate configuration programs that effectively tell the video
drivers "never mind what the monitor claims it can do - it can also
handle 1024x768 non-interlaced".

                   Bert Tyler   (bert.tyler@satalink.com)
---
 . DeLuxe./386 1.25 #343sa . Did you expect mere proof to sway my opinion?

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