Advanced Chipset Features 4-17
SBC-845D-VEA Single Board Computer User’s Guide
BI
OS
S
etup
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Masked: DRAM RAS Precharge
This option controls the number of SCLKs for RAS# precharge. If your system installs good quality
of SDRAM, you can set this option to “3 SCLKs” to obtain better memory performance. It is set to
auto normally.
The Choice: 2 or 3
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DRAM Data Integraty Mode
There are two options available. The DRAM integrity mode will be implemented by the parity
algorithm when this option is set to “Non-ECC”.
The choice: Non ECC/ ECC.
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Memory Frequency For
Users are recommnaded to use Auto for memory frequency selection.
The choice: DDR200/DDR266/Auto
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DRAM Read Thermal Mgmt
The choice: Enabled/Disabled.
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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.
The choice: Enabled/Disabled.
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Video BIOS Cacheable
Select “Enabled” to enable caching VGA BIOS into L2 cache to get higher display performance.
“Disabled” will ignore this BIOS caching function.
The choice : Enabled/Disabled
Содержание SBC-845D-VEA
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Страница 27: ...Chapter 1 Introduction Contents Overview 1 3 Check List 1 4 Product Specification 1 5 System Architecture 1 8...
Страница 35: ...Chapter 2 Jumpers and Connectors Contents Overview 2 3 Jumpers 2 3 Connectors 2 6 Connector Pin Assignments 2 9...
Страница 129: ...Chapter 5 ATX Power Settings Contents Overview 5 3 Backplane 5 3 P4 Power connector 5 3 ATX power 5 3...