Lenovo ThinkServer TS440 - Manual (Page 51)

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Figure 25. System board components
1 4-pin power connector 18 SATA connector 2
2 System board battery 19 System fan 1 connector
3 Microprocessor socket 20 Front panel connector
4 Microprocessor fan connector 21 Front USB 3.0 connector
5 Memory slot 1 (DIMM1) 22 Platform Controller Hub (PCH)
6 Memory slot 2 (DIMM2) 23 SATA SGPIO connector
7 Memory slot 3 (DIMM3) 24 USB 2.0 connector
8 Memory slot 4 (DIMM4) 25 Clear CMOS (Complementary Metal Oxide Semiconductor)
jumper
9 Thermal sensor connector 26 Management Engine (ME) disable jumper
10 System fan 2 connector 27 Serial connector
11 4-pin power connector 28 PCI card slot (PCI slot 4)
12 4-pin power connector 29 PCI Express x4 card slot (PCI-E slot 3)
13 Main power connector 30 PCI Express x1 card slot (PCI-E slot 2)
14 SATA connector 3 31 PCI Express x16 card slot (PCI-E slot 1)
15 SATA connector 0 32 Rear system fan connector
16 SATA connector 4 33 Cover presence switch connector (intrusion switch connector)
17 SATA connector 1
Chapter 3 . Product overview 39