HP Compaq dc7100 SFF User Manual

Technical Reference Guide 361834-001 C-17
Keyboard
C.3 Connectors
Two types of keyboard interfaces may be used in HP/Compaq systems: PS/2-type and USB-type.
System units that provide a PS/2 connector will ship with a PS/2-type keyboard but may also
support simultaneous connection of a USB keyboard. Systems that do not provide a PS/2
interface will ship with a USB keyboard. For a detailed description of the PS/2 and USB
interfaces refer to Chapter 5 “Input/Output” of this guide. The keyboard cable connectors and
their pinouts are described in the following figures:
Figure C-9. PS/2 Keyboard Cable Connector (Male)
Figure C-10. USB Keyboard Cable Connector (Male)
Pin Function
1Data
2 Not connected
3 Ground
4+5 VDC
5Clock
6 Not connected
Pin Function
1+5 VDC
2 Data (-)
3 Data (+)
4 Ground
6 5
4 3
2 1
1 2 3 4

HP Compaq dc7100 SFF Specifications

General

Processor Speed	Up to 3.8 GHz
Graphics	Integrated Intel Graphics Media Accelerator 900
Audio	Integrated AC'97 audio
Form Factor	Small Form Factor (SFF)
Power Supply	240W
Processor	Intel Pentium 4
Chipset	Intel 915G Express
Memory	Up to 4 GB DDR
Storage	40 GB to 160 GB HDD
Optical Drive	CD-ROM or DVD-ROM
Network	Integrated Intel Gigabit Ethernet
Expansion Slots	1 PCI Express x16
Ports	USB 2.0, serial, parallel, VGA
Operating System	Windows XP Professional