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10.2 Using Standoffs
Note – Your board may already have the current dash-revision Boot PROMs
installed. If so, do not replace them. Compare the dash-revision of Boot PROMs
installed on your board against those provided in this kit. Replace the Boot
PROMs ONLY if they are of a lower dash-revision level than those in this kit.
2. Carefully insert the board in the proper slot in the card cage, ensuring
that the board does not slip out of the upper and lower card guides.
The component side of the board must face to the right.
Caution – Do not allow components on either side of the board to scrape
against other boards. DO NOT FORCE any board into a slot. If the board
binds, remove the board and inspect the card cage slot for any obvious
obstructions. Also inspect both the board and the backplane for bent pins or
other damage.
3. Ensure that the ejector/injector levers are in the outward position as you
slide the board toward the backplane connectors.
See Figure 10-1. The board will not seat fully unless the levers are in this
starting position.
4. Use the ejector/injector levers to seat the board.
Swing the ejector/injector levers into the locked position. Do not press on
the board to seat it—doing so will damage the connector pins.
Caution – Do not press on the board rear panel to seat it—doing so will
damage the connector pins.
5. Install two Allen screws to secure the board to the card cage.
6. Connect any applicable interface cables to the system board back panel.
Plastic standoffs lock the SuperSPARC modules and SBus cards to the system
board. See Figure 10-2.
•
To unlock a standoff, pull up the tip. See Figure 10-2.
•
To lock a standoff, first ensure that the module or card rests on the standoff
flange, then press down the tip.
System Boards and Component Replacement
10
10-3
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