Compaq Armada e500 Compaq Armada E500 and Armada V300 Maintenance and Service - Page 43

Table 2-2, Fatal Error Messages, Message, Description, Beep code

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

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