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Internal connectors, LEDs, and switches
The following illustrations show the connectors, light-emitting diodes (LEDs), and
switches on the system board. The illustrations might differ slightly from your
hardware.
System-board internal connectors
The following illustration shows the internal connectors on the system board.
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DIMM LEDs
1 Main power 10 SAS/SATA backplane power
2 Power 11 Simple-swap SATA backplate
3 Power 12 Hot-swap SAS/SATA signal
4 USB tape 13 Hot-swap main fan
5 Front panel 14 Hot-swap fan (redundant)
6 Primary IDE 15 Battery
7 Front USB 16 Wake on LAN
8 Microprocessor 1 17 COM 2 header
9 Microprocessor 2 18 Rear fan
10 ThinkServer TD100 and TD100x: Hardware Maintenance Manual