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iigs123's latest activity
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I
iigs123
replied to the thread
Battery bombed Centris 650’- corrupt video out
.
well done! you've given me more confidence to get my Q610 working!
Nov 1, 2025
I
iigs123
replied to the thread
Q610 VRAM issue
.
The screen shot I posted was captured on the Q610, then displayed on my macbook. I couldn't save as JPG or something else, so I took a...
Oct 31, 2025
I
iigs123
replied to the thread
Battery bombed Centris 650’- corrupt video out
.
It seems like it would be on the D[0]-D[31] side. There are other video memory related signals that come out of the djMEMC chip you...
Oct 31, 2025
I
iigs123
replied to the thread
Battery bombed Centris 650’- corrupt video out
.
I'd check the rest of the data lines. I'm fighting a similar battle with a Q610. It is a slog :/
Oct 31, 2025
I
iigs123
replied to the thread
Q610 VRAM issue
.
I see in other threads you talk about a screen shot - I finally understood what you meant - not a "phone camera" picture but an acutal...
Oct 31, 2025
I
iigs123
replied to the thread
Battery bombed Centris 650’- corrupt video out
.
I'd check all of the traces between the onboard VRAM, VRAM SIMMs and the CLUT.
Oct 31, 2025
I
iigs123
replied to the thread
Q610 VRAM issue
.
It does have B&W mode, but fortunately (or unfortunately) the video is perfect until I switch to Thousands of colors. The size of the...
Oct 31, 2025
I
iigs123
replied to the thread
Battery bombed Centris 650’- corrupt video out
.
I forgot about the RC chips. You should be able to see continuity from the Antelope CLUT chip PD[0] - PD[31] pins over to an adjacent...
Oct 30, 2025
I
iigs123
replied to the thread
Battery bombed Centris 650’- corrupt video out
.
If I were you I'd check all the traces first before trying to remove any components. I suppose bad VRAM could cause it. I don't know if...
Oct 30, 2025
I
iigs123
replied to the thread
Battery bombed Centris 650’- corrupt video out
.
You might have some bad traces from the VRAM to the CLUT. I googled a 650 motherboard pic and I believe it is the "Antelope" chip...
Oct 30, 2025
I
iigs123
replied to the thread
Assemble a TransWarp GS CPU cable?
.
If you don't want to try to make it, you can buy it from ReactiveMicro...
Oct 27, 2025
I
iigs123
posted the thread
Q610 VRAM issue
in
Macintosh Quadra & Centris
.
(I posted over on 68kmla too, but thought i'd try here in case anyone has ideas) I have a Q610 whose lower video is corrupt when...
Oct 24, 2025
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