What Is Bios Setup; How To Run Bios Setup; What Is Cmos; What Is Post - SOLTEK SL-75KIV User Manual

75KIV

4-1 WHAT IS BIOS SETUP

• BIOS Setup is an interactive BIOS program that you need to run when:
1. Changing the hardware of your system. (for example: installing a new
Hard Disk etc..)
2. Modifying the behavior of your computer. (for example: changing the sys-
tem time or date, or turning special features on or off etc..)
3. Enhancing your computer's behavior. (for example: speeding up perfor-
mance by turning on shadowing or cache)

4-2 HOW TO RUN BIOS SETUP

• To access BIOS setup menu, press < DEL > key after "POST", and before
the OS is loaded. The BIOS usually display the following message:

4-3 WHAT IS CMOS

• CMOS is the memory maintained by a battery. The BIOS uses CMOS to
store the settings you have selected in SETUP. The CMOS also maintains
the internal clock. Every time you turn on your computer, the BIOS Looks
into CMOS for the settings you have selected and configures your com-
puter accordingly. If the battery is out of power, the CMOS data will be lost
and POST will issue a "CMOS invalid" or "CMOS checksum invalid"
message. If this happens, you have to replace the battery and do some
proper settings in SETUP.

4-4 WHAT IS POST

• POST is an acronym for Power On Self Test. POST will that all things the
BIOS does before the operating system is started. Each of POST routines
is assigned a POST code, a unique number which is sent to I/O port 080h
before the routine is executed.

4-5 BIOS UPGRADE

• System BIOS is incorporated into a Flash memory component of the
mainboard. Flash BIOS allows user to upgrade BIOS without the need to
Press DEL to enter SETUP
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