Figure 11-27 System Board Cable Connections - Sun Microsystems SPARCstation 4 110 Service Manual

4. Remove the Audio Module (if present).
See Section 11.2.1 "Removing the Audio Module" on page 11-8.
5. Remove all DSIMMs.
See Section 11.3.1 "Removing a DSIMM" on page 11-17.
6. Remove the VSIMM (if present).
See Section 11.4.1 "Removing the VSIMM" on page 11-20.
7. Remove the NVRAM.
See Section 11.6.1 "Removing the NVRAM Chip" on page 11-30.
8. Unplug the DC power, SCSI data, diskette data, and speaker/LED cables (if
present) from the system board.
See
FIGURE 11-27
SCSI data connector
Diskette data connector
DC power connector
FIGURE 11-27
9. Loosen the two captive Phillips screws that secure the system board to the rear of
the chassis.
.
System Board Cable Connections
Chapter 11 System Board and Component Replacement
Speaker/LED cable
DC power harness
Diskette data cable
Speaker/LED
connector
11-25