CX2550/60/70 M4 Upgrade and Maintenance Manual 387
I Rotate the PLX bracket 90 degrees if it doesn’t fit on the chip (see
arrows).
Figure 275: Installing the LC heat sink for PCIe switch 1
Ê Carefully seat the heat sink onto the PCIe switch 1.
Ê Fasten the two captive screws (see circles) as follows:
Ê At first, fasten the two captive screws one by one by hand rotating them
three turns.
Ê Then, fasten the two captive screws one by one by hand until the screws
are completely tightened.
Ê Connect the LC power cables to the base board.
1 Connector for SXM2 module 1 LC pump
2 Connector for SXM2 module 2 LC pump
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