Advanced Chipset Features; Figure 3.4:Advanced Chipset Features Screen; Dram Timing Selectable; Cas Latency Time - Advantech PCA-6009 User Manual

3.5 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 PCA-6009, as
shown in Figure 3-4:
Figure 3.4: Advanced chipset features screen
Note:

3.5.1 DRAM Timing Selectable

This item allows you to control the DRAM speed. The selections are
"Manual" or "By SPD".

3.5.2 CAS Latency Time

When the DRAM Timing Selectable is set to [Manual], this field is
adjustable. The category controls the CAS latency, which determines the
time interval between SDRAM starting a read command and receiving it.
Setting options: [3T], [4T], [5T], [Auto].
PCA-6009 User Manual
DRAM default timings have been carefully cho-
sen and should ONLY be changed if data is
being lost. Please first contact technical sup-
port.
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