Sun Microsystems SPARC classic Service Manual page 89

b. Tilt the board to avoid the speaker assembly and lower it onto the floor of the
system unit.
c. Align the board's edge connector with its mating connector on the system I/O
board.
d. Push the main logic board extractor lever toward the rear of the system unit to
plug the main logic board into the system I/O board (see
e. Lower the speaker assembly back to its original position.
3. Reconnect all cables that attach to the main logic board.
Each connector is keyed to fit only one way. For connector locations, see Chapter 11
"Main Logic Board and Component Replacement."
a. Connect the 12-pin connector from the power supply harness to its mating
connector on the main logic board.
b. Connect the 3-pin connector from the power supply harness to the keyboard
soft power-on connector on the main logic board.
c. Connect the LED/speaker cable to its mating connector on the main logic board.
d. Connect the diskette drive and hard disk drive data cables to their connectors
at the front of the main logic board.
FIGURE 8-8
Chapter 8 Major Subassemblies
).
8-13