System Board Jumpers
The following table provides the system board jumper identifiers
and descriptions of the jumpers.
Note: Turn off the server, and disconnect the power cord before
moving any jumpers.
Table 6. System Board Jumpers
Identifier
Jumper Position
Description
J12
Power-on password reset
For instructions on resetting the power-on
password, see “Bypassing an Unknown
Power-on Password” on page 326.
J22
Ethernet controller enable
J25
Video enable
J26
SCSI controller enable
Move the jumper to the disable position if
you are not using the SCSI controller on the
system board, for example, if you install a
SCSI adapter, and plan to connect all drives
to it. By disabling the system board SCSI
controller, you free system resources.
J38
External SCSI termination
Use the default jumper position when you
install a 16-bit SCSI external device, or
when no external device is attached.
Use this jumper position when you install
an 8-bit internal or external SCSI device.
J30
Flash update enable jumper
The default jumper position enables you to
update the flash BIOS on the system board.
J49
System management
When you server model supports the
System Management Adapter, the
LogicLock features are enabled.
Appendix A. Jumpers
325
Summary of Contents for PC Server 330
Page 1: ...PC Server 330 User s Handbook IBM...
Page 6: ...vi PC Server 330 User s Handbook...
Page 10: ...x PC Server 330 User s Handbook...
Page 32: ...18 PC Server 330 User s Handbook...
Page 100: ...86 PC Server 330 User s Handbook...
Page 134: ...120 PC Server 330 User s Handbook...
Page 240: ...Updating the Server Configuration 226 PC Server 330 User s Handbook...
Page 326: ...Resolving Configuration Conflicts 312 PC Server 330 User s Handbook...
Page 382: ...IBM Part Number 76H8834 Printed in U S A September 1996 76H8834...