Asus MES-N User Manual download pdf (Page 55)

ASUS MES-N User’s Manual 55

4. BIOS SETUP

SDRAM Configuration [By SPD]

This sets the optimal timings of settings for items 2–4, depending on the memory

modules that you are using. The default setting is [By SPD], which configures items

2–4 by reading the contents in the SPD (Serial Presence Detect) device. The EEPROM

on the memory module stores critical parameter information about the module, such

as memory type, size, speed, voltage interface, and module banks. Configuration

options: [User Define] [7ns (143MHz)] [8ns (125MHz)] [By SPD]

SDRAM CAS Latency

This controls the latency between SDRAM read command and the time that the data

actually becomes available. NOTE: To make changes to this field, the SDRAM

Configuration field must be set to [User Define].

SDRAM RAS to CAS Delay

This controls the latency between SDRAM active command and the read/write com-

mand. NOTE: To make changes to this field, the SDRAM Configuration field

must be set to [User Define].

SDRAM RAS Precharge Time

This controls the idle clocks after issuing a precharge command to SDRAM.

NOTE: To make changes to this field, the SDRAM Configuration field must

be set to [User Define].

Refresh RAS Assertion [5T]

Configuration options: [4T] [5T] [6T] [7T]

(scroll down to see more items, as shown here)

4.4.1 Chip Configuration

Chip Configuration

1 ... 54 55 56 ... 104

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Asus MES-N User Manual Page 55