Biostar M7SXD M7SXD user's manual - Page 51

Prefetch Caching, Memory Hole at 15M-16M, AGP Aperture Size, Graphic Window WR Combin

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Chapter 2 BIOS Setup CAS Latency Setting When synchronous DRAM is installed, the number of clock cycles of CAS latency depends on the DRAM timing. The Choices: 2.5T (default), 2T, 3T. DRAM Addr/Cmd Rate This item allows you select DRAM Addr/Cmd Rate The Choices: Auto Mode(default), 1T, 2T, 2.5T(Optional). Prefetch Caching This item allows you enable/disable Prefetch Caching. The Choices: Enabled (default), Disabled. Memory Hole at 15M-16M When enabled, you can reserve an area of system memory for ISA adapter ROM. When this area is reserved , it cannot be cached. Refer to the user documentation of the peripheral you are installing for more information. The Choices: Disabled (default), Enabled. AGP Aperture Size Select the size of the Accelerated Graphics Port (AGP) aperture. The 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 Choices: 4M, 8M,16M, 32M, 64M (default), 128M, 256M. Graphic Window WR Combin This item allows you enable/disable Graphic Window WR Combin. The Choices: Enabled (default), Disabled. 2-14

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Chapter 2
BIOS Setup
2-14
CAS Latency Setting
When synchronous DRAM is installed, the number of clock cycles of
CAS latency depends on the DRAM timing.
The Choices: 2.5T
(default), 2T, 3T.
DRAM Addr/Cmd Rate
This item allows you select DRAM Addr/Cmd Rate
The Choices: Auto Mode
(default), 1T, 2T, 2.5T(Optional).
Prefetch Caching
This item allows you enable/disable Prefetch Caching.
The Choices: Enabled
(default), Disabled.
Memory Hole at 15M-16M
When enabled, you can reserve an area of system memory for ISA adapter ROM.
When this area is reserved , it cannot be cached. Refer to the user documentation of
the peripheral you are installing for more information.
The Choices: Disabled
(default), Enabled.
AGP Aperture Size
Select the size of the Accelerated Graphics Port (AGP) aperture. The 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 Choices:
4M, 8M,16M, 32M,
64M
(default), 128M, 256M.
Graphic Window WR Combin
This item allows you enable/disable Graphic Window WR Combin.
The Choices: Enabled
(default), Disabled.