NEC N8100-1417F User Manual page 340

9-82 Upgrading Your Server
4.
Connect cables.
Check the connectors to which cables are to be connected for proper connections. Set the
water-cooled heat sink exchange jumper switch (CN6) as shown in the figure below.
Jumper switch setting
Water-cooling Standard
heat sink heat sink
CPU1 ↔ P1 ↔ FAN5
CPU1 ↔ P2 ↔ FAN1
CPU2 ↔ P1 ↔ FAN4
CPU2 ↔ P2 ↔ FAN6
Failure to connect the cables properly or set the jumper switch correctly may cause the
liquid leak and pump rotation of the water-cooled heat sink to be monitored incorrectly.
5.
Remove the top cover from the CPU duct cover you have removed in previous step.
FAN1 FAN5
CN6
CPU1
CPU2
FAN4
FAN6