NEC N8100- 1241F User Manual

Also see for Express5800/120Rg-1: Datasheet User guide

Contents

NEC N8100- 1241F User Manual Manual pdf 220 page image

8-14 TroubleshootingNo screen display appears with beep:→ Check whether DIMMs are connected to the mating connectors firmly.→ Check whether DIMMs of different specifications are installed in the specific bank.See Chapter 9 for the specifications of DIMMs.→ DIMMs must be populated in pairs and in the following order:11 and 21, 31 and 41, 12 and 22, 32 and 42, 13 and 23, and 33 and 43.→ Installed DIMMs must be the same speed and must all be registered.→ Take a note of beep code pattern, and take appropriate action according to the tablelisted earlier in "Beep Codes".POST fails to complete:T Is the DIMM board installed?→ At least two DIMM boards are required for operation.→ DIMMs must be populated in pairs and in the following order:11 and 21, 31 and 41, 12 and 22, 32 and 42, 13 and 23, and 33 and 43.→ Installed DIMMs must be the same speed and must all be registered.T Is the memory size large?→ The memory check may take a few seconds if the memory size is large. Wait for awhile.T Did you perform any keyboard or mouse operation immediately after you started theserver?→ If you perform any keyboard or mouse operation immediately after start-up, POSTmay accidentally detect a keyboard controller error and stops proceeding. In sucha case, restart the server once again. Do not perform any keyboard or mouseoperation until the BIOS start-up message appears when you restart the server.T Does the server have contains appropriate memory boards or PCI devices?→ Operation of the server with unauthorized devices is not guaranteed.