B-2
Error and Information Messages
Sec Master(Slave)
Secondary Master (Slave) HDD is not working or nor config
HDD Error
ured properly. Check to see if fixed disk is installed properly.
CMOS Date/Time Not Set
Run Standard Setup to set the date and time in CMOS RAM.
A: Drive Error or
Drive A or B is present but fails the POST diskette tests.
B: Drive error
Check that the drive is defined with the proper diskette type
in Setup and that the diskette drive is installed correctly.
Cache Memory Error
Cache memory is defective.
GA20 Error
Gate A20 on the keyboard controller is not working.
DMA Error
Error in the DMA controller.
Error Message
Explanation
BIOS Beep Codes
BIOS Beep Codes
BIOS Beep Codes
BIOS Beep Codes
BIOS Beep Codes
Beeps codes represent a terminal error. If the BIOS detects a terminal error
condition, it outputs an error beep code, halts the POST, and attempts to display a
port 80h code on the POST card's LED display.
Beeps
80h Code
Description
1
B4h
One short beep before boot
1-2
98h
Search for option ROMs
1-2-2-3
16h
BIOS ROM checksum
1-3-1-1
20h
Test DRAM refresh
1-3-1-3
22h
Test 8742 keyboard controller
1-3-4-1
2Ch
RAM failure on address line xxxx*
1-3-4-3
2Eh
RAM failure on data bits xxxx* of low byte of memory bus
1-4-1-1
30h
RAM failure on data bits xxxx* of high byte of memory bus
2-1-2-3
46h
Check ROM copyright notice
2-2-3-1
58h
Test for unexpected interrupts
