SIS486 PCI Chipset on LS-486 Rev. C2 very low memory data transfer speed \ VOGONS

SIS486 PCI Chipset on LS-486 Rev. C2 very low memory data transfer speed

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First post, by fsinan

Posted on 2025-04-14, 17:15

fsinan Offline

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Rank: Member
Posts: 139
Joined: 2024-01-09, 19:35
Location: Turkiye

I'm getting very low memory speed from speedsys with this board with Cx586. At 37Mb/s. at 33Mhz bus speed. Is it normal? UMC chipset gives over 100Mbit/s.

Chipset is
SiS 85C496/497 (486-VIP 486 Green PC VESA/ISA/PCI Chipset).

System:1
Cyrix 5x86-120GP & X5-160ADZ
Lucky Star LS-486E
System:2
Intel DX4-WB & AMDDX4-120
PcChips M912 V1.7
System:3
AMD K6-2-475 & Cyrix 6x86MX PR-233
Asus P5A-B
System:4
UMC U5S-40
486UL-P101
System:5
P3 Coppermine 800EB
Gigabyte GA-6BX7

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