Dell Vostro 220 (Late 2008) - Manual (Page 43)

Working on Your Computer
43
1 power connector
(PWR2) 2 processor heat
sink/fan assembly
power 3 memory module
connectors (2)
4 main power connector
(PWR1) 5 serial ATA drive
connector (SATA2) 6 serial ATA drive
connector (SATA1)
7 serial ATA drive
connector (SATA3) 8 serial ATA drive
connector (SATA0) 9 battery socket
10 front I/O panel
connector 11 USB1 system board
connector (from front
I/O panel) 12 USB2 system board
connector (from front
I/O panel)
13 CMOS jumper (CLEAR
CMOS) 14 USB3 system board
connector 15 audio connector
(AUDIO1) (from front
I/O panel)
16 PCI connector (PCI1) 17 PCI connector (PCI2) 18 PCI Express x16
connector (PCIE_x16)
19 PCI Express x1
connector (PCIE_X1) 20 audio connectors 21 one LAN and two USB
ports
22 chassis fan power 23 USB ports (2) 24 video connector (VGA)
25 PS/2 mouse and
keyboard connectors