Member Avatar for saibal_laha

Can anybody tell me if transcend JM800QLU-2G (240 pin, 800 MHz) ram would work with intel S975XBX2 mobo?
Atleast mine is not working at all. My pc never shows any display with 2 modules of the same RAM installed. Is there a way out of this. The board is working fine with other 667 MHz RAM.

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A few focused checks that are often missed on 975X-era boards will narrow this down quickly. 's point about slot population is relevant — follow the motherboard manual for channel pairing — but the deeper compatibility issues usually come from SPD/timings, required DIMM voltage, BIOS support, or the module's chip density (how the DRAM chips are organised).

Read the DIMM SPD bytes (use a tool like CPU‑Z or the BIOS SPD viewer) and compare the reported timing/voltage profiles with what the board expects. If the SPD shows non‑standard timings or a non‑JEDEC profile, try forcing a safe JEDEC timing/voltage in BIOS or set the memory to the next lower standard frequency as a test. Also update the motherboard BIOS and perform a CMOS clear before retesting; BIOS updates frequently add memory compatibility fixes.

If those steps fail, check whether the 2GB sticks are “high‑density” modules. Many older motherboards and BIOS revisions cannot address certain high‑density DDR2 modules even though they are rated for the right MHz. Confirm the module organisation with the vendor or by the part label; if they are high‑density, the practical fixes are a BIOS update (if one exists that adds support) or using low‑density 2GB sticks or matched 1GB sticks instead.

For a final data point, ask the vendor for the exact SPD dump or part-sheet and compare it to the board manual/QVL. If compatibility cannot be resolved, request an RMA or replacement for modules listed as compatible with the motherboard family.

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Member Avatar for 4th&3wood

That RAM should work with that motherboard.

How do you have the RAM populated in the slots?

Have you tried the modules one at a time?

Member Avatar for saibal_laha

I am using 2 modules of the same ram in dual channel mode. the rams are absolutely fine as i have tested with other computer. i tried with one at a time too. the same result came up.

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