System Board Layouts - Sun Microsystems SPARCstation 4 110 Service Manual

Caution – Hot surface. Surfaces are hot and may cause personal injury if touched.
Avoid contact.
Caution – The system board and related modules and cards have surface-mount
components that may break if the board is flexed.
To minimize the amount of board flexing, observe the following precautions:
Hold the system board only by the edges.
Do not place the system board, SBus cards, DSIMMs, or chips on a hard surface.
Use a cushioned antistatic mat. See Chapter 12.
Transport the board in an antistatic bag.
Protect yourself and the equipment by observing the safety precautions described in
Chapter 5.
10.3

System Board Layouts

FIGURE 10-1
Diskette drive
connector
Power connector
SBus slot
Audio Module
connector
NVRAM
FIGURE 10-1
10-2 SPARCstation 4 Model 110 Service Manual • July 1996
shows the major components on the SPARCstation 4 system board.
CD-ROM SCSI connector
PROM
SPARCstation 4 System Board
DSIMMs
Speaker/LED
connector
On-board hard disk
SCSI connector
On-board
disk drive
VSIMM