IBM 689912U - IntelliStation Z - Pro 6899, Hardware Maintenance Manual

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From the Reference Diskette (Type
6876/6886)
To start the system programs from the Reference Diskette,
do the following:
1. Power-off the computer.
2. Remove all media from the drives.
3. Insert the Reference Diskette into the primary diskette
drive.
4. Power-on the computer.
After a few seconds, the IBM logo appears on the screen;
then a second IBM logo screen appears, followed by the
system programs main menu.
Power-on Password
To service Type 62XX, 65XX, and 68XX computers with
an active and unknown power-on password, power-off the
computer and do the following:
Note
On some models, this procedure will also remove the
administrator password. See “Passwords” on
page 190 for more information.
1. Unplug the power cord and remove the top cover.
2. Refer to “System Board Layouts” on page 322 and
locate the system board type you are servicing.
Depending on the system board, the password is
reset by a jumper or switch setting.
3. Move the password jumper to connect the center pin
and the pin on the opposite end of the connector; or,
short then open the password jumper; or, change the
switch setting as appropriate. See “System Board
Layouts” on page 322.
4. Power-on the computer. The system senses the
change in the position and erases the password.
Ÿ
It is necessary to move the jumper back to the
previous position and to reset the switch setting.
5. Remind the user to enter a new password when
service is complete.
System Programs Main Menu (Type
6876/6886)
The following tables contain a listing of the System
Programs Main Menu items followed by a description of
the item.
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IBM PC 300/700, IntelliStation Series HMM