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MS-6585 ATX Mainboard
Advanced Chipset Features
MSI Reminds You...
Change these settings only if you are familiar with the chipset.
AGP Aperture Size
The field selects the size of the Accelerated Graphics Port (AGP) aperture.
Aperture is a portion of the PCI memory address range dedicated for graphics
memory address space. Host cycles that hit the aperture range are forwarded
to the AGP without any translation. The option allows the selection of an
aperture size of 4MB, 8MB, 16MB, 32MB, 64MB, 128MB and 256MB.
DRAM CAS# Latency
The field controls the CAS latency, which determines the timing delay before
SDRAM starts a read command after receiving it. Setting options: By SPD, 3T,
2.5T, 2T. 2T increases system performance while 2.5T provides more stable
system performance. Setting to By SPD enables DRAM CAS# Latency auto-
matically to be determined by BIOS based on the configurations of the SPD
(Serial Presence Detect) EEPROM on the DRAM module.
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