I have a NMC 5MVX with the MVP3-Chipset.
According to the manual the maximum amount of RAM ist 384MB, and my 2x256 are also only detected as 2x128.
But afaik the MVP3 supports 768MB. So s it possible to use the whole 256MB of each module?
NMC-5VMX: More than 384MB possible?
I have flashed the latest 1MBit-BIOS because I don't know if I can flash the 2MBit-Version?!
http://www.enmic.com/default.php?pg=dow ... 8775cc30e0
http://www.enmic.com/default.php?pg=dow ... 8775cc30e0
These Infineon chips should be the right ones for BX-compatible 256 meggers. Probably it's a BIOS issue. That board should be a relabeled Epox, maybe there's a newer one available there.
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Do you have the option to change L2-Cache policy from Write-Back to Write-Through ?
Edit : Sustained 3T-Write to disabled (Chipset Features Setup) should do the trick
L2-Cache will be slower but Cacheable Area should be doubled
Edit : Sustained 3T-Write to disabled (Chipset Features Setup) should do the trick
L2-Cache will be slower but Cacheable Area should be doubled
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1. Find 2Mbit flashrom and use last 2mbit bios.
2. Get "Mem_Size" procedure from 2Mbit- bios to 1Mbit bios:
- Copy block at 36000-36FFF from 2Mbit to 1B000-1BFFF of 1Mbit.
- change enter point to this - 9860 in the end block change to 98B0.
- recalculate both checksums - "Mem_Size" and "bios_files".
Or simply disable they checking by "nop-ing" at:
1E954 = 90 90 90 90 90 (five nops - compare bios CRC)
1E979 = 90 90 (two nops - compare Mem_Size CRC)
2. Get "Mem_Size" procedure from 2Mbit- bios to 1Mbit bios:
- Copy block at 36000-36FFF from 2Mbit to 1B000-1BFFF of 1Mbit.
- change enter point to this - 9860 in the end block change to 98B0.
- recalculate both checksums - "Mem_Size" and "bios_files".
Or simply disable they checking by "nop-ing" at:
1E954 = 90 90 90 90 90 (five nops - compare bios CRC)
1E979 = 90 90 (two nops - compare Mem_Size CRC)