Sun Microsystems Netra t 1120, Service Manual

Page: 96 / 148

10-4 Netra t 1120/1125 Service Manual • August 1998
10.1.2 To Replace a CPU Module
Caution –
Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing them on any surface.
1. Attach the wrist strap.
See Section 7.1 “To Attach the Wrist Strap” on page 7-1.
2. Power off the system and remove the power cord.
See Section 6.2 “To Power Off the System” on page 6-3.
3. On the antistatic mat, hold the CPU module in an upright position with the plastic
surface facing you.
4. Move the levers on the CPU module to point straight upwards.
5. Lower the CPU module along the vertical plastic guides until the module touches
the motherboard slot socket. Ensure connectors are aligned.
See (
FIGURE 10-2
on page 10-3). With both hands, simultaneously turn and press the
levers downward to the fully horizontal position.
6. Firmly press the module downward into the socket until it is fully seated and the
levers are fully locked.
7. Replace the top access cover.
See Section 7.3 “To Replace the Top Access Cover” on page 7-6.
8. Detach the wrist strap.
10.1.3 To Remove the Dual Processor Bracket
Caution –
Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing them on any surface.
1. Attach the wrist strap.
See Section 7.1 “To Attach the Wrist Strap” on page 7-1.
2. Power off the system and remove the inputpower connector(s).
See Section 6.2 “To Power Off the System” on page 6-3.
!
!