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AIMB-250 Series
68 AIMB-250 Series User’s Manual
3.5.2.5 First/Second/Third/Other Boot Device
The BIOS attempts to load the operating system from the devices in the sequence selected
in these items.
Item Description
Floppy Floppy Device
LS120 LS120 Device
HDD-0~4 Hard Disk Device 0, 1, 2, 3, 4
SCSI SCSI Device
CDROM CDROM Device
ZIP100 ZIP-100 Device
USB-FDD USB Floppy Device
USB-ZIP USB ZIP Device
USB-CDROM
USB CDROM Device
USB-HDD
USB Hard Disk Device
LAN Network Device
Disabled Disabled any boot device
3.5.2.6 Swap Floppy Drive
While system has two floppy drivers installed, this item will be affected. This function is to
assign physical drive B to logical drive A.
Item Description
Enabled Assign physical drive B to logical drive A
Disabled No change
3.5.2.7 Book Up Floppy Seek
Seeks disk drives during boot up. Disabling seeds boot up.
Item Description
Enabled Enable Floppy Seek
Disabled Disable Floppy Seek
3.5.2.8 Boot Up NumLock Status
Select power on state for NumLock.
Item Description
Enabled Enable NumLock
Disabled Disable NumLock
3.5.2.9 Gate A20 Option
Select if chipset or keyboard controller should control Gate A20.
Item Description
Normal A pin in the keyboard controller controls Gate A20
Fast Lets chipset control Gate A20
3.5.2.10 Typematic Rate Setting
Key strokes repeat at a rate determined by the keyboard controller. When enabled, the
typematic rate and typematic delay can be selected.
Item Description
Enabled Enable typematic rate/delay setting
Disabled Disable typematic rate/delay setting
3.5.2.11 Security Option
Select whether the password is required every time the system boots or only when you
enter setup.