NEC MT-2550-24874C, Руководство по обслуживанию

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B-10 System Board Settings
Clearing the Password
If you forgot your password, use the following procedure to clear the current password and
to set a new one.
1.
Power off and unplug the system and any peripherals.
WARNING:
The system power must be off
before removing the cover and changing a
jumper setting.
2.
Remove the system unit cover (see “Removing the System Unit Cover” in
Section 3).
3. Locate the Password Clear jumper pins on the system board (see “Locating
System Board Jumpers” in the previous subsection).
You may have to remove any installed expansion boards to access the jumpers
(see “Removing Expansion Boards” in Section 3).
4. Remove the jumper block from pins 2-3 and set it on pins 1-2.
Password Clear
Password Enabled D
(default)
Password Clear/Disabled D
Jumpers
1
2
3
4
5
6
1
2
3
4
5
6
Figure B-6 Clear Password Jumper
5. Replace the system unit cover (see “Replacing the System Unit Cover” in
Section 3).
6.
Connect system power cables and monitor.
7. Power on the system. The system lets you boot the computer.
8. Power off, unplug the system and monitor, and remove the cover.
9. Remove the jumper block from pins 1-2 and replace it on pins 2-3.
10.
If you removed any expansion boards, replace them (see “Replacing Expansion
Boards” in Section 3).