CP302
CMOS Setup
ID 21112, Rev. 05
Page 4 - 14
®
PEP Modular Computers GmbH
Boot from LAN first
If Your BIOS if capable of Booting from LAN via DHCP/BOOTP – protocol (option),
you can switch this option on/off here.
Boot Sequence
The original IBM PC’s loaded the operating system from drive A (floppy disk), so IBM
PC-compatible systems are designed to search for an operating system first on drive A,
and then on drive C (HardDisk). However, modern computers usually load the operating
system from the hard drive, and may even load it from a CD-ROM drive. The BIOS now
offers 10 different boot sequence options of three drives each. In addition to the
traditional drives A and C, options include EIDE hard drives D, E and F; plus an SCSI
hard drive and a CD -ROM drive.
Swap Floppy Drive
This field is effective only in systems with two floppy drives. Selecting Enabled assigns
physical drive B to logical drive A, and physical drive A to logical drive B.
Boot Up Floppy Seek
When Enabled, the BIOS tests (seeks) floppy drives to determine whether they have 40
or 80 tracks. Only 360-KB floppy drives have 40 tracks; drives with 720 KB, 1.2 MB, and
1.44 MB capacity all have 80 tracks. Because very few modern PC’s have 40-track
floppy drives, we recommend that you set this field to Disabled to save time.
Boot Up Numlock Status
Toggle between On or Off to control the state of the NumLock key when the system
boots. When toggled On, the numeric keypad generates numbers instead of controlling
cursor operations.
Boot Up System Speed
Select High to boot at the default CPU speed; select Low to boot at the speed of the AT
bus. Some add-in peripherals or old software (such as old games) may require a slow
CPU speed. The default setting is High.
Gate A20 Option
Gate A20 refers to the way the system addresses memory above 1 MB (extended
memory). When set to Fast, the system chipset controls Gate A20. When set to Normal,
a pin in the keyboard controller controls Gate A20. Setting Gate A20 to Fast improves
system speed, particularly with OS/2 and Windows.
Typematic Rate Setting
When Disabled, the following two items (Typematic Rate and Typematic Delay) are
irrelevant. Keystrokes repeat at a rate determined by the keyboard controller in your
system.
When Enabled, you can select a typematic rate and typematic delay.
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