Silicon Graphics InfiniteStorage 4000 Series System Upgrade Manual page 106

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Figure 69 Host Interface Card Replacement
1. Top Cover Latch Buttons
2. HIC Thumbscrews
3. Host Interface Card
4. HIC Interface Connector
5. Front Bezel
6. Zero Insertion Force (ZIF) Socket
7. Front Bezel Screws
8. Disconnect the front bezel flex harness by gently opening the zero insertion force
(ZIF) socket.
NOTE The ZIF socket is very fragile and is easily broken. Either use your fingers or
a screwdriver to gently pull the ZIF socket open.