Lenovo THINKSERVER 3821 - Manual (Page 149)

System-board internal connectors
The following illustration shows the internal connectors on the system board.
33
34
37
32
35
38
31
36
39
40
1 Microprocessor 2 21 Wake on LAN
2 System power 22 Battery
3 ADV power 23 PCI Express x8 slot 7
4 Optical power 24 PCI - 32 slot 6
5 Front panel 25 PCI Express x8 slot 5
6 EasyLED panel 26 PCI Express x8 slot 4
7 USB tape 27 PCI Express x8 slot 3
8 DIMM 8 28 PCI Express x8 slot 2
9 DIMM 1 29 PCI Express x8 slot 1
10 SATA backplane 2 power 30 Virtual media key connector
11 Front USB 31 VRM connector (Microprocessor 2)
12 SAS/SATA configuration backplane 1 32 USB
13 SAS/SATA configuration backplane 2 33 NMI button
14 SATA backplane 1 power 34 RJ45 (10/100)
15 Microprocessor 1 35 Microprocessor power
16 Fans 4, 5, and 6 36 Video
17 SATA 0 37 Serial
18 SATA 2 - 5 38 Power supply power
Chapter 6. Locating Server Controls and connectors 141