HP Kayak XW A2-U2-W2 HP Kayak XW (Series A2-U2-W2), Service Handbook chapter - Page 22

A POST and Error Codes Beep Codes for Previous Models The following beep codes are for all models before the HP Kayak XU800 and XM600 PC Workstations. Beep Pattern Beep Code 1-2-2-3 1-3-1-1 1-3-1-3 1-3-3-1 1-4-4-1 1-3-4-1 1-3-4-3 2-1-2-3 2-2-3-1 1-2 1 4-2-4-4 Numeric Code 16h 20h 22h 28h 30h 2Ch 2Eh 46h 58h 98h B4h / F4h Description BIOS ROM check-sum failure DRAM refresh test failure 8742 Keyboard controller test failure Autosize DRAM RAM failure on data bits of high byte of memory bus RAM failure on address line xxxx1 RAM failure on data bits xxxx1 of low byte of memory bus ROM copyright notice check failure Unexpected interrupts test failure Video configuration failure or option ROMs check-sum failure This does not indicate an error. There is one short beep before system startup. Crisis recovery flash error2 1. If the BIOS detects error 2C or 2E (base 512K RAM error), it displays an additional wordbitmap (xxxx) indicating the address line or bits that failed. For example, "2C 0002" means address line 1 (bit one set) has failed. "2E 1020" means data bits 12 and 5 (bits 12 and 5 set) have failed in the lower 16 bits. 2. For more information, refer to Appendix B. POST and Error Codes A list of all POST (Power-On Self-Test) and error codes are available through electronic files from the Support Center. If you wish to view the POST details, press the key when the Kayak logo is being displayed at power on, and the checkpoint code of the test currently in progress will appear in the upper right corner of the screen. When POST is completed, the HP Summary Screen will appear. Beep, POST, and Error Codes A-5