IBM 847681U Hardware Maintenance Manual - Page 206
Undetermined problems, Memory-Module Kits Minimum requirement = 1
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Undetermined problems You are here because the diagnostic tests did not identify the failure, the Devices List is incorrect, or the system is inoperative. Notes If you suspect a software mismatch is causing failures (solid or intermittent), be sure to see "Configuration conflicts" on page 20. Check power supply. If the LEDs indicate the power supplies are working correctly, return here and do the following: 1. Power-off the computer. 2. Remove or disconnect the following (one at a time) until you find the failure (power-on the computer and reconfigure each time). Any external devices Surge suppressor device (on the computer) Modem, printer, mouse, or non-IBM devices Each adapter Drives Memory-Module Kits (Minimum requirement = 1 bank of 64 MB DIMMs) Note Minimum operating requirements vary for each computer. For example, an IML drive in the drive startup sequence (IML systems only). 3. Power-on the computer. If the problem remains, suspect the following FRUs in the order listed: System Board Processor Board Front Panel Note If the problem goes away when you remove an adapter from the system, and replacing that adapter does not correct the problem, suspect the system board then the processor board(s). 198 Netfinity Server HMM