Chapter 4 Bios Setup
Hippo DCA2 User’s Manual
28
Beep Tones
Error Message
L H L H H
Real time clock is not updating
L H-L L L
ROM BIOS checksum test
L H-H L L
Page register test
L H-L H L
Keyboard controller self-test
L H-H H L
Memory refresh circuit test
L H-L L H
Master DMA controller failure
L H-H L H
Slave DMA controller failure
L H-L L L L
Memory bank 0 pattern test failure
L H-H L L L
Memory bank 0 parity circuitry failure
L H-L H L L
Memory bank 0 parity error
L H-H H L L
Memory bank 0 data bus failure
L H-L L H L
Memory bank 0 address failure
L H-H L H L
Memory bank 0 block access read failure
L H-L H H L
Memory bank 0 block access read/wrfitge failure
L H-H H H L
Master 8259 failure
L H-L L L H
Slave 8259 failure
L H-H L L H
Master 8259 interrupt address error
L H-L H L H
Slave 8259 interrupt address error
L H-H H L L
8259 interrupt address error
L H-L L H H
Master 8259 stock interrupt error
L H-H L H
Slave 8259 stock interrupt error
L H-L H H H
System timer 8254 interrupt failure
L H-H H H H
8254 channel 0 test and initialization
L H-L L L L H
8254 channel 2 speaker failure
After the power is on, wait for a minute before proceeding. The system
BIOS are going through a self-test and nothing is displayed on screen.
After the self-test, the system BIOS initialize the display adaptor and
show messages.
