User Guide

3-18 Chapter3
BE6-II
OS Select For DRAM > 64MB:
When the system memory is bigger than 64MB, the communication method between the
BIOS and the operating system will differ from one operating system to another. If you use
OS/2, select
OS2
; if you are using another operating system, select
Non-OS2
. The default
setting is
Non-OS2
.
Report No FDD For WIN 95:
When using Windows
®
95 without a floppy drive, please set this item to
Ye s
. Otherwise, set
it to
No
. The default setting is
No
.
Video BIOS Shadow:
This option is used to define whether the BIOS on the video card uses the shadow feature or
not. You should set this option to Enabled, otherwise the display performance of the system
will greatly decrease.
Shadowing address ranges:
This option allows you to decide if the ROM BIOS area of an interface card at a specific
address uses the shadow feature or not. If you have no interface card using this memory
block, don’t enable this option.
You have six address ranges you can select:
C8000-CBFFF Shadow, CC000-CFFFF Shadow, D0000-D3FFF Shadow, D4000-D7FFF
Shadow, D8000-DBFFF Shadow, DC000-DFFFF Shadow.
Computer Knowledge: SHADOW
What is the SHADOW? The BIOS of standard video or interface cards is stored in
ROM, and it is often very slow. With the Shadow feature, the CPU reads the BIOS on
the VGA card and copies it into RAM. When the CPU runs this BIOS, the operation is
speeded up.
Delay IDE Initial (sec):
This item is used to support some old models or special types of hard disks or CD-ROMs.
They may need a longer amount of time to initialize and prepare for activation. Since the