Fatal Error Messages - Compaq Armada E500 Series Maintenance And Service Manual

Fatal errors emit a beep and may display a FATAL message. Fatal errors
indicate severe problems, such as a hardware failure. Fatal errors do not
allow the system to resume. Some of the Fatal error beep codes are listed
at the end of this section.
Message
CMOS RAM test failed
DMA controller faulty
Faulty DMA page
registers
Faulty refresh circuits
Interrupt controller failed A sequential read/write
ROM checksum
incorrect
RAM error at location
xxxx
*Beep codes are defined in Table 2-3.
Table 2-2

Fatal Error Messages

Description
A walking bit test of
CMOS RAM location 0E
(Hex) - 3F (Hex) failed.
A sequential read/write
of the transfer count and
transfer address
registers within the
primary and secondary
DMA controllers failed.
A walking bit read/write
of the 16 DMA controller
page registers starting at
location 80 Hex failed.
A continuous read/write
test of port 61h found
that bit 4 (Refresh
Detect) failed to toggle
within an allotted amount
of time.
of various Interrupt
Controller registers
failed.
A checksum of the ROM
BIOS does not match the
byte value at
F000:FFFF.
RAM error occurred
during memory test.
Beep code
3
4
0
1
5
2
None
Troubleshooting 2-7