NEC Server 140Rc-4 - Manual (Page 61)

General Description 2-27
POST
POST (Power On Self-Test) is the self-diagnosis feature saved in the baseboard of the server.
When the power of the server is turned on, POST automatically runs to check the baseboard,
memory board, CPU, keyboard, and mouse. During POST messages indicating the starts of several
BIOS setup utilities may also appear.
At the shipment of the server, it is set to have the NEC logo appear on the display unit during POST.
Pressing Esc allows the information on the execution of POST to be displayed.
NOTE: The information on the result of diagnosis by POST can be
displayed from the start without the depression of Esc on the BIOS
menu. If you desire it, change the setting of "Boot-time Diagnosis
Screen" on "Advanced" of the BIOS configuration to "Enabled."
It may not always necessary to check the result of POST. Check the messages which may appear
during POST in the following cases:
„ Installation of the server
„
Suspicion of failure
„ Beep for many times in the period from power-on to OS start
„ Appearance of an error message on the display unit