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First post, by Windows9566

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I just got this ASUS CUSL2 v1.2 motherboard, but unfortunately the 2nd ram slot won't work no matter what modules i put in. it does post though. none of the capacitors look bad.

Reply 1 of 12, by Nexxen

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Windows9566 wrote on 2022-09-27, 21:55:

I just got this ASUS CUSL2 v1.2 motherboard, but unfortunately the 2nd ram slot won't work no matter what modules i put in. it does post though. none of the capacitors look bad.

If you plug in a module it doesn't recognize it.
Are there any bent pins inside the ram slot?

PC#1 Pentium 233 MMX - 98SE
PC#2 PIII-1Ghz - 98SE/W2K

Reply 2 of 12, by Windows9566

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Nexxen wrote on 2022-09-27, 21:59:
Windows9566 wrote on 2022-09-27, 21:55:

I just got this ASUS CUSL2 v1.2 motherboard, but unfortunately the 2nd ram slot won't work no matter what modules i put in. it does post though. none of the capacitors look bad.

If you plug in a module it doesn't recognize it.
Are there any bent pins inside the ram slot?

nope, seems good, don't see any bent pins

Reply 4 of 12, by darry

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How much RAM are you trying to install in total ? The 815E chipset on that board is limited to 512MB max in total.

If the first slot has a 512MB DIMM installed, you will never get anything to work in the second slot.

Reply 7 of 12, by darry

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Windows9566 wrote on 2022-09-28, 00:37:

256 mb (2x 128mb) but only 128mb is working

Then why not get a single 512MB DIMM and call it a day ?
You won't need more than one slot then.

Reply 8 of 12, by Nexxen

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Checked for solder joints?
Continuity on each ram pin?
Could be a bad connection with the chipset; a broken trace somewhere, a broken smd...
----> this is time consuming

It's a really boring issue, if you want to find the cause, ok, I understand; otherwise move on with slot 1&3 and live happily.

PC#1 Pentium 233 MMX - 98SE
PC#2 PIII-1Ghz - 98SE/W2K

Reply 10 of 12, by Nexxen

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Windows9566 wrote on 2022-10-05, 17:23:

i just ended up getting a new CUSL2, but it's the -C version, it works nicely and all the ram slots function.

You could try to troubleshoot the other board.

PC#1 Pentium 233 MMX - 98SE
PC#2 PIII-1Ghz - 98SE/W2K

Reply 12 of 12, by darry

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Windows9566 wrote on 2022-10-08, 21:06:

im happy with my CUSL2-C, may just use my regular CUSL2 as a scrap board.

If the only thing wrong with the board is a single one of the 3 DIMM slots, there is no actual practical functional issue .

This board can only detect and use 512MB of RAM due to a chipset limitation and this can be provided with a single 512MB DIMM, if desired . The only reason the manufacturer likely even bothered to put in 3 DIMM slots was to allow people to use multiple smaller capacity cheaper DIMMs, but this is no longer significant as a single 512MB SDRAM DIMM is now cheap as chips .

If you want to scrap it for parts, it's your choice as you own it, but I personally see that as wasteful as you could still use the board as a a spare or sell it, or give it away (if so inclined) to someone .