HP LTE Notebook PC 5200 LTE 5000 Family of Personal Computers Maintenance and - Page 50

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 Explanation Remedy 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