IBM 847671U Hardware Maintenance Manual - Page 168

Symptom-to-FRU index This index supports the Netfinity 3000 - Type 8476. Notes 1. Check the configuration before you replace a FRU. Configuration problems can cause false errors and symptoms. 2. For IBM devices not supported by index, refer to the manual for that device. 3. Always start with "General Checkout" on page 4. The Symptom-to-FRU Index lists beeps, errors, symptoms, and the possible causes. The most likely cause is listed first. Use this Symptom-to-FRU Index to help you decide which FRUs to have available when servicing the computer. XX used in place of the last 2 digits can be any number or letter. No beep symptoms No Beep/Symptom No Beeps occur after successfully completing POST (The Power-On Status is disabled.) FRU/Action 1. Run Configuration/Setup, set the Start Options Power-On Status to enable. 2. Check speaker connection. 3. Speaker 4. System Board Beep symptoms Beep symptoms are short tones or a series of short tones separated by pauses (intervals without sound). See the following examples. Beeps 1-2-X 4 Description One beep A pause (or break) Two beeps A pause (or break) Any number of beeps Four beeps Beep/Symptom 1-1-3 CMOS read/write error 1-1-4 ROM BIOS check error FRU/Action 1. Run Setup 2. System Board 1. System Board 160 Netfinity Server HMM