NEC EXPRESS5800/100 SERIES N8100-1635F - Manual (Page 31)

General Description 2-9
POST
POST (Power On Self-Test) is the self-diagnostic program stored in the modular server.
When you power on the modular server, the system automatically runs POST to check the mother
board, memory module, CPU module, keyboard, and mouse. POST also displays messages of the
BIOS SETUP utility, such as the start-up message, while in progress.
With the factory setup of the modular server, the NEC logo appears on the display unit (if
connected) while POST is in progress. To display the POST check results, press Esc.
NOTE: You can set the POST check results to appear on the display
unit without pressing Esc. To do so, select "Enabled" for "Boot-time
Diagnostic Screen" under the Advanced menu of the BIOS SETUP
utility. See Chapter 4 for details.
You don't always need to check the POST check results. Check messages that POST displays when:
„ you use the modular server for the first time.
„ the modular server appears to fail.
„ the modular server beeps for many times between power-on and OS start-up.
„ an error message appears on the display unit.