1 power connector
(PWR2)
2 processor heat
sink/fan assembly
power
3 memory module connectors (4)
(DIMM_1, DIMM_2, DIMM_3,
DIMM_4)
4 main power connector
(PWR1)
5 battery socket 6 serial ATA 5.25-inch drive
connector (SATA4)
7 serial ATA hard drive
connector (SATA3)
8 serial ATA hard drive
connector (SATA2)
9 serial ATA hard drive connector
(SATA1)
10 serial ATA hard drive
connector (SATA0)
11 serial ATA 5.25-
drive connector
(SATA5)
12 front I/O panel connector
13 serial ATA 5.25-inch
drive connector
(SATA6)
14 USB1 connector
(from front I/O
panel)
15 USB2 connector (from front I/O
panel)
16 USB3 system board
connector
17 audio connector
(F_AUDIO)
18 PCI connector (PCI4)
19 PCI connector (PCI3) 20 PCI connector
(PCI2)
21 PCI connector (PCI1)
22 PCI Express x1
connector (PCIE_X1 2)
23 PCI Express x16
connector
(PCIE_x16)
24 PCI Express x1 connector
(PCIE_X1 1)
25 audio connectors 26 one LAN and two
USB ports
27 USB ports (2)
28 USB ports (2) and E-
SATA connector
29 chassis fan
connector
30 Display Port
31 video (VGA) and 32 PS/2 mouse and