mATX AIMB-763 Series, User Manual

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53 Chapter 2 BIOS setup
2.5 Advanced Chipset Features
By choosing the “Advanced Chipset Features” option from the “Initial
Setup Screen” menu, the screen below will be displayed. This sample
screen contains the manufacturer’s default values for the AIMB-763VG
and AIMB-763G2, as shown in Figure 2-4:
Figure 2.4: Advanced chipset features screen
Notes
DRAM default timings have been carefully chosen and should
ONLY be changed if data is being lost. Please first contact techni-
cal sup- port.
2.5.1 DRAM Timing Selectable
This item allows you to control the DRAM speed. The selections are
“Manual” or “By SPD”.
2.5.2 CAS Latency Time
When DRAM Timing Selectable is set to [Manual], this field is adjust-
able. This controls the CAS latency, which determines the time interval
between SDRAM starting a read command and receiving it. The options
are [3T], [4T], [5T], and [Auto].