Dell Vostro 220s Service Manual page 24

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