MSI Micro ATX Manual page 57

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AWARD BIOS Setup
RAS Cycle Time
This setting determines the time RAS takes to read from and write to a memory
cell. Setting options: 7 Clks, 8 Clks, 9 Clks, 10 Clks.
Write to Deact
This setting controls the number of clock cycles needed after a data write
command before a precharge can occur. Setting options: 2 Clks, 1 Clks.
SDRAM CAS Latency
The field controls the CAS latency, which determines the timing delay before
SDRAM starts a read command after receiving it. Setting options: CAS La-
tency 2, CAS Latency 3. 2 increases system performance while 3 provides
more stable system performance.
System BIOS Cacheable
Selecting Enabled allows caching of the system BIOS ROM at F0000h-FFFFFh,
resulting in better system performance. However, if any program writes to this
memory area, a system error may result. The settings are: Enabled, Disabled.
Video BIOS Cacheable
Selecting Enabled allows caching of the video BIOS ROM at C0000h to C7FFFh,
resulting in better video performance. However, if any program writes to this
memory area, a system error may result. Settings: Enabled, Disabled.
Memory Hole At 15M-16M
You can reserve this area of system memory for ISA adapter ROM. When this
area is reserved, it cannot be cached. The user information of peripherals that
need to use this area of system memory usually discusses their memory
requirements. The settings are: Enabled, Disabled.
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