Service manual
Table Of Contents
- 1 Specifications
- 2 Controls, Ports, and Indicators
- 3 Connector Pinouts
- 4 Maintenance Guidelines
- 5 Error Messages
- 6 Diagnostics
- 7 Maintenance and Troubleshooting
- Preventive Maintenance Procedures
- Troubleshooting
- Password Problems
- General Server Problems
- No lights are on and no error message appears
- Operating system or an application is not responding properly
- Server stops working (hangs)
- Server does not start (boot)
- Power Problems
- Video/Monitor Problems
- Configuration Problems
- Printer/Datacomm Problems
- Keyboard and Mouse Problems
- Flexible Disk Drive Problems
- CD-ROM Problems
- SCSI Problems
- Processor Problems
- Memory Problems
- Embedded Network Interface Card Problems
- Network Interface Card (Installed) Problems
- 8 Parts and Illustrations
- 9 Remove/Replace Procedures
- Introduction
- Covers
- Front Bezels
- Status Panel Assembly
- Mass Storage Devices
- Removing the Flexible Disk Drive
- Replacing the Flexible Disk Drive
- Removing the CD-ROM
- Replacing the CD-ROM
- Removing a Backup Tape Drive
- Replacing a Backup Tape Drive
- Removing a Hard Disk Drive (Tray Mounted)
- Replacing a Hard Disk Drive (Tray Mounted)
- Removing a Hard Disk Drive (Drive Cage Mounted)
- Replacing a Hard Disk Drive (Drive Cage Mounted)
- DIMMs
- Processor
- Accessory Boards
- Power Supply
- Battery
- Chassis Fan
- System Board
- Index

Chapter 3 Connector Pinouts
19
USB Connector
1
1
2
2
3
3
4
4
USB Connector
Universal Serial Bus Connector Pinouts
Pin Number Signal Description
1 VBUS
2 D+
3 D-
4 GND
NOTE Use of the USB port is supported for printers, scanners, and external modems.
Video Connector
The embedded video uses the standard 15-pin analog display pinout configuration. The pinouts for your
monitor may vary. For the pinouts for your monitor, refer to the manual provided with your monitor.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Video Connector
Video Connector (female) Pinouts
Pin Number Function Pin Number Function
1 Red 9 Key (no pin)
2 Green 10 Sync return (ground)
3 Blue 11 Monitor ID bit 0
4 Monitor ID bit 2 12 Monitor ID bit 1
5 Monitor self test (ground) 13 Horizontal sync (+)
6 Red return (ground) 14 Vertical sync (-)
7 Green return (ground) 15 Not used
8 Blue return (ground)