Is there any physical diferrence between these two dimm`s from first picture? I just bought pair of dimm`s from second pic with different label. And i wonder what is the best method to remove these scratches, maybe masking tape and glossy spray paint will be enough?
dulu wrote on 2021-01-14, 18:11:Is there any physical diferrence between these two dimm`s from first picture? I just bought pair of dimm`s from second pic with different label. And i wonder what is the best method to remove these scratches, maybe masking tape and glossy spray paint will be enough?
The first pair uses Winbond (probably BH6) chips the second pair uses Promos chips.
The first pair will do 200(400) MHz 2,2,2,5 timings at ~2.7V but the second pair probably wants 2,3,2,6 or 2,2,3,6 or even 2,3,3,6 timings.
If you are going to use both pairs at the same time I would start with 200(400) MHz 2,3,3,6 timings at 2.7V and then try to lower them.
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You might be able to use some RC car or model paint with a Q-tip to repaint the heat spreaders.
Peel the inlay sticker off by using some heat/moisture to loosen up the glue. (use a narrow, flat razor blade like you get in crafting kits) Remove heat spreaders. Sand imperfections. Then repaint the heat spreaders with some enamel black high-gloss spray paint. Reapply the stickers with some spray glue. Reinstall the heat spreaders.
I wouldn't stress that much. The side facing us on that bottom dimm looks ok so stick that facing outside.
Hopefully the other side on the top dimm is ok.
one those LED's start flashing no ones going to notice anyway 😀
The first pair will do 200(400) MHz 2,2,2,5 timings at ~2.7V but the second pair probably wants 2,3,2,6 or 2,2,3,6 or even 2,3,3,6 timings.
Winbond BH6 - potentially 250 (500) Mhz 2-2-2-5 at 3.0-3.3v (yes, it's totally normal for Winbond).
ProMOS - potentially 300 (600) Mhz 3-4-4-8 at 2.7-2.9v, but usually lower (280-290).
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Top led label is actually a plastic sticker. I have thought that it is piece of plastic permanently mounted to pcb. So i just remove top sticker, covered labels and started to painting (4 layers). Effect is far better than i expected - diferrent than factory paint but still looks very good IMO. Now i have a dillema - trying to polish or not?
Great job that look fantastic.
