System Board Jumpers - IBM IntelliStation M Pro 6225 Hardware Maintenance Manual And Troubleshooting Manual

System board jumpers

This section describes the jumpers on the system board.
(pins 1 and 2)
Jumper
Boot block (J1)
Clear CMOS (JBAT1)
IEEE 1394, Firewire (J1394)
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IntelliStation M Pro Types 6225 and 6228: Hardware Maintenance Manual and Troubleshooting Guide
Boot Block Jumper (J1)
Boot Block
Default (Recover)
(No Jumper)
3 2 1 3 2 1
v Normal (default) (jumper on pins 1 and 2)
v Boot block recovery (no jumper)
v Keep CMOS data (default) (jumper on pins 1 and 2)
v Clear CMOS data (jumper on pins 2 and 3 with power cords removed from
computer)
v IEEE 1394 enabled (default) (jumper on pins 1 and 2)
v IEEE 1394 disabled (jumper on pins 2 and 3)
IEEE 1394 ( Firewire )
enable / disable jumper
Clear CMOS Jumper (JBAT1)
Default Disable
3 2 1 3 2 1
Settings
Default Recover
3 2 1 3 2 1