And what happens if I reverse the polarity. Be the first to write a review. No ratings or reviews yet. I’m going to unsolder the C31 next to see how the card behaves without it or if it is intended as some sort of “choke up” capacitor. Is it really a 1MB?

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As far as I have traced the connections on the short Cirrus as well as on the Reply Mod. Skip to main content.

Q-Logic Wired Network Cards. I say a dramatic fix in that. Data sheet is 4. Or would 16 to 25 work? The CL chipset -by the way- is a mask-programmed graphic chip with integrated olgic oscillator no external Xtal and integrated 80MHz Ramdac. You may also like.

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The lowest-priced item that has been used or worn previously. The item may have some signs of cosmetic wear, but is fully operational and cl-gd5428-80c-a as intended. Before I swapped the card, I laid down on the floor with my handheld DMM and confirmed your voltage readings before powering down the Be the ,ogic to write a review.


Absolutely replace the cap. The “off” amount and percentage simply signifies the calculated difference between the seller-provided price for the item elsewhere and the seller’s price on eBay.

Jim working this out. My immediate impression was that the test card produces a much brighter and clearer screen image than the identical card I took out. Everybody needs to thank Elar Saar for guarding these files until the fullness of time.

Back To Past: Cirrus Logic VLB CL-GD5428 with… 1Mb of Graphics Memory!

I think Tantalums are generally tighter, and that’s what this appears to be. This item may be a floor model or store return that has been used. Is it really logif 1MB? I have not noticed any flicker so far. This item doesn’t belong on this page. No ratings or reviews yet. I would stay within the range of 2. Clone designs were using close to a 3. Show More Show Less. Type 4 ‘Y’ at MHz. Shouldn’t that be other way round?

I’m going to unsolder c-lgd5428-80qc-a C31 next to see how the card behaves without it or if it is logid as some sort of “choke up” capacitor.


What happens to a capacitor if you permanently run it at reversed polarity – even though the voltage is rather low? This may be meaningless however, since I did not retest this card in the before I changed the cap. Icrrus card was known to flicker, quite badly at times, and was pulled from this machine for that reason. I will run it for a while and try to observe it as much as I can. That could explain the brightness changes in the video signal.

See all 2 pre-owned listings. Pin is right abouve the trace that goes to R It is remotely possible that a cap that is too large may draw excessive surge current on power up and let some of that delicate silicon smoke loose inside the chip.