Faulty refresh

A continuous read/write test of port

1

circuits

61h found

that bit 4 (Refresh Detect)

 

 

failed to

toggle within an allotted

 

 

amount of

time.

 

---------------------------------------------------------------------------

Interrupt controller

A sequential read/write of various

5

failed

Interrupt

Controller registers failed.

 

---------------------------------------------------------------------------

ROM checksum incorrect

A checksum of the ROM BIOS does not

2

 

match the

byte value at F000:FFFF.

 

---------------------------------------------------------------------------

RAM error at location

RAM error

occurred during memory test.

None

xxxx

 

 

 

---------------------------------------------------------------------------

Parity error at

Parity error occurred.

None

unknown location

 

 

 

===========================================================================

The following table lists some of the Fatal Error beep codes, along with the beep sequence (short, long, pause) and the meaning of the beeps.

Table 2-3. Fatal Error Beep Codes

===========================================================================

Beep Code Beep Sequence ExplanationRemedy

===========================================================================

0

S-S-S-P-S-S-L-P

The DMA page

Replace system board.

 

 

registers are faulty.

 

1

S-S-S-P-S-L-S-P

The refresh circuitry

Replace system board.

 

 

is faulty.

 

2

S-S-S-P-S-L-L-P

The ROM checksum is

1. Flash the ROM

 

 

incorrect.

2. Replace system

 

 

 

board.

3

S-S-S-P-L-S-S-P

The CMOS RAM test

Replace system board.

 

 

failed.

 

4

S-S-S-P-L-S-L-P

The DMA controller is

Replace system board.

 

 

faulty.

 

5

S-S-S-P-L-L-S-P

The interrupt

Replace system board.

 

 

controller failed.

 

6

S-S-S-P-L-L-L-P

The keyboard

Replace system board.

 

 

controller failed.

 

7

S-S-L-P-S-S-S-P

Graphics adapter is

Replace system board.

 

 

faulty.

 

8

S-S-L-P-S-S-L-P

Internal RAM is

Replace processor

 

 

faulty.

board.

---------------------------------------------------------------------------

S = Short, L = Long, P = Pause

===========================================================================