IEI Integration ROCKY-3786 v4.10 User Manual

Page 98

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ROCKY-3786EV CPU Card

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5/7

Auto (Default)

SDRAM RAS-to-CAS Delay [Auto]

The SDRAM RAS-to-CAS Delay sets the delay between the RAS and CAS signals. The

appropriate delay for the memory module is reflected in its rated timings. The following

configuration options are available:

3

2

Auto (Default)

SDRAM RAS Precharge Time [Auto]

Use SDRAM RAS Precharge Time option to set the number of cycles required for the

RAS to accumulate its charge before the SDRAM refreshes. The following configuration

options are available:

3

2

Auto (Default)

System BIOS Cacheable [Disabled]

Use the System BIOS Cacheable option to enable 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.

Disabled

System BIOS not written to F0000h-FFFFFh.

Enabled

(Default)

System BIOS is written to F0000h-FFFFFh.

Video BIOS Cacheable [Disabled]

Use the Video BIOS Cacheable option to enable caching of the video BIOS ROM at

C0000h-C7FFFh via the L2 cache.

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