Sun Microsystems Netra t 1120, Service Manual

Page: 115 / 148

Chapter 10 Motherboard and Component Replacement 10-23
10.6.2 To Replace the Alarms Card
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. Position the alarms card into the chassis.
3. Lower the alarms card so that it touches the appropriate slot on the motherboard.
4. At the two upper corners of the card, push the card straight downwards into the
slot until it is fully seated.
5. Using a No.2 Phillips-head screwdriver, replace the screw securing the alarms card
to the system chassis.
6. Reconnect the cables to the alarms card.
7. Replace the top access cover.
See Section 7.3 “To Replace the Top Access Cover” on page 7-6.
8. Power on the system.
See Section 6.1 “To Power On the System” on page 6-2.
9. Detach the wrist strap.
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