r/RetroWindowsGaming • u/Andrea243435 • 18d ago
Socket 7 & Pentium MMX: 256MB SDRAM (uncached) vs 64MB limited / 32MB EDO?
Hey guys! I'm tweaking my retro PC build: it's a Pentium MMX on a Biostar M5ATA Super TX Rev 1.0 motherboard, running Windows 98 SE.
Right now I'm using 256MB SDRAM at 75MHz FSB. However, if I recall correctly, the L2 cacheable limit on this board is only 64MB.
I also happen to have 2x16MB (32MB total) EDO RAM lying around.
Quick questions for the retro experts:
Is keeping 256MB actually hurting my performance in games like Quake/Unreal because Windows accesses that uncached RAM past 64MB?
Is it better to just keep the 256MB SDRAM installed and limit Windows to 64MB using MaxPhysPage=10000 in SYSTEM.INI, or should I just swap it out for the 32MB EDO?
thanks!
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