Service Manual
Table Of Contents
- Dell™ Vostro™ 420/220/220s Service Manual
- Troubleshooting
- Working on Your Computer
- Computer Cover
- Bezel
- Chassis Support Bracket
- PCI and PCI Express Cards
- Drives
- I/O Panel
- Fan
- Processor Heat Sink/Fan Assembly
- Memory Module(s)
- Power Supply
- Coin-Cell Battery
- System Board
- Processor
- System Setup Program
- Contacting Dell
114 Power Supply
DC Power Connectors P3, P4, P5, P6, P7, and P8
DC Power Connector P9
2GNDBlack
3 +12 VADC Yellow
4 +12 VADC Yellow
Pin Number Signal name 18-AWG Wire
1 +3.3 VDC Orange
2GNDBlack
3+5 VDCRed
4GNDBlack
5 +12 VBDC White
Pin Number Signal Name 22-AWG Wire
1+5 VDCRed
2 GND Black
3 GND Black
4 +12 VADC Yellow
Pin Number Signal Name 18-AWG Wire
4 3 2 1