MSI MS-6852 Manual de instrucciones descargar pdf (Pagina 52)

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BIOS Setup

the CAS and RAS strobe signals, used when DRAM is written to, read from

or refreshed. Fast speed offers faster performance while slow speed offers

more stable performance. Settings: 4, 3, 2 (clocks).

DRAM RAS# Precharge

This item controls the number of cycles for Row Address Strobe (RAS) to be

allowed to precharge. If insufficient time is allowed for the RAS to accumu-

late its charge before DRAM refresh, refresh may be incomplete and DRAM

may fail to retain data. This item applies only when synchronous DRAM is

installed in the system. Available settings: 4, 3, 2 (clocks).

Memory Frequency For

Use this item to configure the clock frequency of the installed DRAMs. Set-

ting options: Auto, DDR266, DDR333, DDR400.

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. Setting options: 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. Setting options: Disabled,

Enabled.

Memory Hole At 15M-16M

In order to improve performance, certain space in memory can be reserved

for ISA peripherals. This memory must be mapped into the memory space

below 16MB. When this area is reserved, it cannot be cached. Settings:

Enabled, Disabled.

Delay Prior to Thermal

When the CPU temperature reaches a factory preset level, a thermal monitor-

ing mechanism will be enabled following the appropriate timing delay speci-

fied in this field. With the thermal monitoring enabled, clock modulation

controlled by the processor’s internal thermal sensor is also activated to keep

the processor within allowable temperature limit. Setting options: 4 Min, 8

Min, 16 Min, 32 Min.

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MSI MS-6852 Manual de instrucciones Pagina 52