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Chapter 1 31
System Overview
System Unit Rear Panel Connectors
USB Connectors
There are two Universal Serial Bus (USB) connectors located on the rear
panel of the computer. These USB connectors support only the HP
keyboard, scroll mouse and hub. You can connect the HP keyboard, scroll
mouse and hub in either of the USB connectors.
The mouse and keyboard were shipped with your system unit, and the
HP hub can be ordered separately. Note that you should consult the
documentation that accompanies each input device for specific
information concerning its use.
For more information on the Universal Serial Bus, use your browser and
the following URL:
http://www.usb.org
Keyboard
The USB connector provides an interface for the keyboard to the system.
This keyboard provides the standard keycaps found on most PC
keyboards.
Table 1-2 Audio Electrical Specifications
Frequency Response 25Hz to 20kHz
Max Input Sensitivity/Impedance
Line in
Microphone
2.8Vp-p/10Kohm
40mVp-p/47Kohm
Max Output Level/Impedance
Line out
Headphone
Speaker (internal)
2.8Vp-p/920ohm
5.6Vp-p/110ohm
n.a.