Does anyone know if the Intel 486 DX4 Overdrives came in both write-back and write-through editions, or just one? If just one, which one? If multiple, which s-specs for which cacheing scheme? SZ957 is probably the latest s-spec?
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Not sure, but I have a DX4 Overdrive SZ959. How do I tell? I don't think I have a motherboard that will work on it.
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If you could check, I'd appreciate it; I've not been able to find any conclusive answers. Ensure that your motherboard's BIOS is L1 write-back aware, and set it to write-back. Then run chkcpu16 in DOS to verify it is in write-back mode. You can also use CTCM.
Plan your life wisely, you'll be dead before you know it.
I'm pretty sure they were all write through, and didn't support the 2X multiplier (if memory is correct)
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wrote:I'm pretty sure they were all write through, and didn't support the 2X multiplier (if memory is correct)
I think this is correct. Afaik none of the overdrives had switchable multi's
