Sun Microsystems 5500, Reference Manual

Page: 80 / 304

4-22 Sun Enterprise 6500/5500/4500 Systems Reference Manual • April 1998
FIGURE 4-20
Disabling and Enabling the Link Integrity Test
▼
Installation
1. Use the procedures in Section 4.5.2 “Removing a Board,” to remove the applicable
I/O+ board.
2. Use
FIGURE 4-12
to locate the SBus connector for the card that is to be installed.
3. If a filler panel covers the back panel SBus slot, remove the two screws and detach
the filler panel.
Retain the screws to attach the SBus card to the back panel, unless the card has a
wide connector, or set of connectors.
4. Unlock the tip insert of the two standoffs for the SBus slot (
FIGURE 4-14
).
5. Attach a wrist strap and take the SBus card out of the protective packaging.
Inspect the pins in the connector to make sure they are not bent.
6. Hold the SBus card at an angle and guide the SBus card face plate under the
springfingers and against the rear face of the I/O+ board front panel.
See
FIGURE 4-15
on page 4-18. The I/O connectors of the SBus card should be visible
through the opening in the back panel.
7. Hold the card by the edges nearest the SBus connector and place the card over the
two standoffs.
8. Hold the SBus card by the edges near the connector and firmly but gently press
the card down until the connector is fully seated.
To align the connector and socket, push the card toward the I/O+ board back panel.
Caution –
Do not rock the card onto the socket; the plastic connector housing may
break.
9. Press each corner of the SBus card to ensure that it rests on the collar of the
standoff.
10. Press down on the tip insert of each standoff to lock the card in place.
Disabled
Enabled
2 1
2 1