IBM 86645RY Hardware Maintenance Manual - Page 205
Beep symptoms, indicated the system is functioning properly.
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CPU VRM MEMORY PCI BUS A B POWER SUPPLY 1 2 3 HDD NMI SMI SERVICE PROCESSOR BUS NON REDUNDANT FAN 1 2 3 TEMPERATURE 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 indicated 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 EEPROM checksum failed) 1-2-1 (Programmable Interval Timer failed) Description One beep A pause (or break) Two beeps A pause (or break) Three beeps Four continuous beeps FRU/Action 1. Optional Processor (if installed) 2. Processor 1. Battery 2. Processor Board 3. System Board 1. System Board 2. Processor Board 1. System Board 2. Processor Board Netfinity 5600 - Type 8664 197
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