Lenovo ThinkServer TD100x - Manual (Page 30)

System-board internal connectors
The following illustration shows the internal connectors on the system board.
1
2
3
4
5
6
7
8
9
10
11
12 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 Reserved
8 Microprocessor 1 17 Serial 2 (COM 2) header
9 Microprocessor 2 18 Rear fan
16 ThinkServer TD100 and TD100x Types 4203, 4204, 4205, 4206, 6398, 6399, 6419, and 6429: User Guide