Chapter 2 BIOS Setup
2-15
SDRAM Cycle Length
When synchronous DRAM is installed, the number of clock cycles of CAS latency
depends on the DRAM timing. Do not reset this field from the default value
specified by the system designer.
The Choices: 3 (default), 2.
Bank Interleave
This item allows you to enable or disable the bank interleave feature.
The Choices: Disabled
(default)
,
2Bank, 4Bank.
Memory Hole
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), 15M-16M.
System BIOS Cacheable
When enabled, accesses to system BIOS ROM addressed at
F0000H-FFFFFH is cached, provided that the cache controller is enabled.
The Choices: Enabled (default), Disabled.
Video RAM Cacheable
Select Enabled allows caching of the video BIOS, resulting in better system
performance. However, if any program writes to this memory area, a system error
may result.
The Choices: Enabled (default), Disabled.
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: 64M (default),256M, 128M, 64M, 32M, 16M, 8M, 4M.
AGP Mode
This item allows you to select the AGP Mode.
The Choices: 4X (default), 2X, 1X.
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