Dell Vostro 220s Service Manual page 25

parallel ports
Vostro 220
1 power connector
(PWR2)
4 main power
connector (PWR1)
7 serial ATA drive
connector (SATA3)
10 front I/O panel
connector
13 CMOS jumper
(CLEAR CMOS)
16 PCI connector (PCI1)
19 PCI Express x1
connector (PCIE_X1)
22 chassis fan power
25 PS/2 mouse and
keyboard connectors
Vostro 220s
keyboard connectors
2 processor heat sink/fan
assembly power
5 serial ATA drive connector
(SATA2)
8 serial ATA drive connector
(SATA0)
11 USB1 system board
connector (from front I/O
panel)
14 USB3 system board
connector
17 PCI connector (PCI2)
20 audio connectors
23 USB ports (2)
3 memory module connectors
(2)
6 serial ATA drive connector
(SATA1)
9 battery socket
12 USB2 system board
connector (from front I/O
panel)
15 audio connector (AUDIO1)
(from front I/O panel)
18 PCI Express x16 connector
(PCIE_x16)
21 one LAN and two USB ports
24 video connector (VGA)