BIOS OPERATION
Sections 3 through 7 of this manual describe the operation of the
AMI WinBIOS and WinBIOS Setup. Refer to Running WinBIOS
Setup later in this section for standard Setup screens, options and
defaults.
When the system is powered on, WinBIOS performs the Power-On
Self Test (POST) routines. These routines are divided into two
phases:
1) System Test and Initialization. Test and initialize system
boards for normal operations.
2) System Configuration Verification. Compare defined con-
figuration with hardware actually installed.
If an error is encountered during the diagnostic tests, the error is
reported in one of two different ways. If the error occurs before the
display device is initialized, a series of beeps is transmitted. If the
error occurs after the display device is initialized, the error message
is displayed on the screen. See BIOS Errors later in this section for
more information on error handling.
The following are the Power-On Self Tests (POST’s) which are per-
formed when the system is powered on:
•
Processor Register Test
•
ROM BIOS Checksum Check
•
Keyboard Controller Test
•
CMOS Shutdown Register Test
•
Channel 2, 1, 0 Timer Test
•
Memory Refresh Test
•
Base 64KB RAM Test
•
CMOS Battery, Options Set, Checksum Check
•
Display Type Verification
SYSTEM BIOS
TECHNICAL REFERENCE
3-1
Summary of Contents for SB586TCP/166
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