NEC POWERMATE 5100 - SERVICE, Руководство по обслуживанию

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System Board 4-5
For a description of the system configuration jumper settings, see the following
table.
System Configuration Jumper Settings
Jumper Position Setting Description
Normal mode Factory setting. Sets the system for
normal operation. The BIOS uses the
current configuration information and
passwords for booting.
Configure Mode Allows system configuration. After
POST runs, the Setup utility loads
automatically. The Maintenance
menu appears for setting
configuration parameters (including
processor speed and password
settings).
Recovery Mode Enables BIOS recovery procedures.
The BIOS attempts to recover the
BIOS configuration. A Recovery
diskette is required (downloadable
from the NEC CSD website).
Changing Processor Speed
To change processor speed, the system must be jumpered for Configure mode.
In this mode, the system enters the Maintenance menu when it is restarted.
Use the following steps to change processor speed.
!
CAUTION
Jumpers are set correctly at the factory for the system
configuration. Only change (or check) the appropriate
jumper setting if upgrading the processor. NEC CSD
recommends using needle-nose pliers to move a jumper.
Access the BIOS Setup utility and record any customized settings. See “BIOS
Setup” in Section 2.
!
CAUTION
Starting the system in Configure mode resets BIOS settings
to their factory defaults. Before jumpering for Configure
mode, write down any customized BIOS settings for use
after the procedure is completed.
1.
Power off and unplug the system and any external options.