Compaq 190 Fatal Error Beep Codes, Message Description, S-S-P-L-S-S-P The Cmos RAM test failed

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

Fatal Error Beep Codes

NOTE: S = Short, L = Long, P = Pause

Beep Code	Beep Sequence	Description Recommended
		Action
0 S-S-S-P-S-S-L-PThe DMA page registers		Replace system board.
	are faulty.

1 S-S-S-P-S-L-S-PThe refresh circuitry is faulty.

2 S-S-S-P-S-L-L-PThe ROM checksum is incorrect.

3 S-S-S-P-L-S-S-P The CMOS RAM test failed.

4 S-S-S-P-L-S-L-PThe DMA controller is faulty.

5 S-S-S-P-L-L-S-PThe interrupt controller failed.

6 S-S-S-P-L-L-L-PThe keyboard controller failed.

7 S-S-L-P-S-S-S-PGraphics adapter is faulty.