MSI MS-7357 User Manual download pdf (Page 57)

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BIOS Setup

Advance DRAM Configuration

Press <Enter> to enter the sub-menu and the following screen appears:

Configure DRAM Timing by SPD

Selects whether DRAM timing is controlled by the SPD (Serial Presence Detect)

EEPROM on the DRAM module. Setting to [Auto By SPD] enables DRAM timings

and the following related items to be determined by BIOS based on the configu-

rations on the SPD. Selecting [Manual] allows users to configure the DRAM

timings and the following related items manually.

DRAM CAS# Latency

This controls the CAS latency, which determines the timing delay (in clock cycles)

before SDRAM starts a read command after receiving it.

DRAM RAS# to CAS# Delay

This field allows you to set the number of cycles for a timing delay between 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.

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 accumulate 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.

DRAM RAS# Activate to Prechar

This setting determines the time RAS takes to read from and write to a memorycell.

Setting options: [8~15 DRAM Clocks].

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MSI MS-7357 User Manual Page 57