Ibase IB827 Manuel d'utilisateur télécharger pdf (Page 37)

BIOS SETUP

IB827 User’s Manual 33

Precharge Delay (tRAS)

The default setting for the Precharge Delay is Auto.

System Memory Frequency

The default setting is Auto.

SLP_S4# Assertion Width

The default setting is 4 to 5 Sec.

System BIOS Cacheable

The setting of Enabled allows caching of the system BIOS ROM at

F000h-FFFFFh, resulting in better system performance. However, if

any program writes to this memory area, a system error may result.

Video BIOS Cacheable

The Setting Enabled allows caching of the video BIOS ROM at

C0000h-F7FFFh, resulting in better video performance. However, if

any program writes to this memory area, a system error may result.

Memory Hole At 15M-16M

In order to improve performance, certain space in memory can be

reserved for ISA cards. This memory must be mapped into the memory

space below 16 MB. The choices are Enabled and Disabled.

On-Chip VGA Setting

The fields under the On-Chip VGA Setting and their default settings are:

On-Chip Frame Buffer Size: 8MB

DVMT Mode: DVMT

DVMT/Fixed Memory Size: 128MB

SDVO Device Setting: None

SDVO LCDS Protocol: 1 Ch SPGW 18 bit

SDVO Panel Number: 1024x768

Boot Display: CRT

Panel Scaling: Auto

The options under the SDVO LCDS Protocol field include:

1 Ch SPGW 18 bit

2 Ch SPGW 18 bit

1 Ch OpenLDI 18 bit

2 Ch OpenLDI 18 bit

1 Ch SPGW 24 bit

2 Ch SPGW 24 bit

1 Ch OpenLDI 24 bit

2 Ch OpenLDI 24 bit

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Ibase IB827 Manuel d'utilisateur Page 37