IBM 8681 Hardware Maintenance Manual - Page 175

Beep symptoms Beep symptoms are short tones or a series of short tones separated by pauses (intervals without sound). See the following examples. Note One beep after successfully completing POST indicates the system is functioning properly. Beeps 1-2-3 4 Beep/Symptom 1-1-2 (Processor register test failed) 1-1-3 (CMOS write/read test failed) 1-1-4 (BIOS Flash EEPROM checksum failed) Description One beep A pause (or break) Two beeps A pause (or break) Three beeps Four continuous beeps FRU/Action 1. BSP Processor Note The BSP Processor is identified on the IBM logo screen during boot. If you cannot boot to the IBM logo screen, the BSP is the highest functional processor (highest functioning processor slot number) on the processor daughterboard A. 2. Processor Controller Board 3. Processor Daughter Board 1. Battery, see "Battery replacement" on page 49. 2. I/O Function Card 3. System Management Adapter 4. I/O Board 1. I/O Function Card 2. I/O Board 3. Processor Controller Board 4. Processor Daughter Board Netfinity 8500R - Type 8681 167