Table 3. System-board SW7 switch block descriptions (continued)
Switch
number
Default position
Description
6
Off
Power-on password override.
Changing the position of this switch
bypasses the power-on password
check the next time the server is
turned on and starts the Setup
utility so that you can change or
delete the power-on password. You
do not have to move the switch back
to the default position after the
power-on password in overridden.
Changing the position of this switch
does not affect the administrator
password check if an administrator
password is set.
See “Passwords” on page 132 for
additional information about
passwords.
7
Off
Reserved
8
Off
Reserved
Important:
1.
Before you change any switch settings or move any jumpers, turn off the
server; then, disconnect all power cords and external cables. Review the
information in “Safety” on page vii, “Installation guidelines” on page 33,
“Handling static-sensitive devices” on page 35, and “Turning off the server” on
page 21.
2.
Any system-board switch or jumper blocks that are not shown in the
illustrations in this document are reserved.
The following table describes the functions of the buttons on the system board:
Table 4. Buttons on the server
Button name
Function
Light path button
Press this button to light the LEDs on the
system board when the power source has
been removed from the server.
Force NMI button
This button is on the rear of the server. Press
this button to force a nonmaskable interrupt
to the microprocessor. You might have to use
a pen or the end of a straightened paper clip
to press the button. You can also use it to
force a blue-screen memory dump (use this
button only when you are directed to do so
by IBM Support).
30
System x3750 M4 Types 8722 and 8733: Installation and Service Guide
Summary of Contents for x3750 M4
Page 1: ...System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 2: ......
Page 3: ...System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 138: ...122 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 164: ...148 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 210: ...194 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 220: ...204 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 303: ...SAS cable guide Adapter SAS signal cable Chapter 6 Removing and replacing components 287...
Page 306: ...4x2 5 inch backplane 290 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 308: ...8x2 5 inch backplane 292 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 310: ...294 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 312: ...296 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 332: ...316 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 672: ...656 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 676: ...660 System x3750 M4 Types 8722 and 8733 Installation and Service Guide...
Page 693: ......
Page 694: ...Part Number 90Y4479 Printed in USA 1P P N 90Y4479...