v
Universal Serial Bus (USB) connectors
Your computer has four Universal Serial Bus (USB) 2.0 connectors (two on the
front and two on the rear of the computer) for optional telephony and multimedia
devices. USB devices are configured automatically with Plug and Play
technology.
Notes:
1. If you attach a standard (non-USB) keyboard to the keyboard connector, the
USB connectors and devices will be disabled during the power-on self-test.
2. If you install a USB keyboard that has a mouse connector, the USB keyboard
emulates a mouse. You will not be able to disable the mouse settings in the
Configuration/Setup Utility program.
Use a 4-pin USB cable to connect external devices to USB connectors.
USB 2.0 technology transfers data at up to 480 Mb per second (Mbps) with a
maximum of 127 external devices and a maximum signal distance of 5 meters
(16 ft) per segment provided that the device attached to the computer is a USB
2.0 device. If the computer has multiple USB devices attached to it, the USB hub
must be USB 2.0, or all USB 2.0 devices will transfer data at 12 Mbps.
v
Audio connectors
The audio connectors are used to attach external audio equipment to your
computer.
Line out (green)
Line in (blue)
Mic (pink)
–
Microphone
This connector is used to connect a microphone to your computer for
recording sounds on the hard-disk drive or using speech recognition software.
–
Line in
This connector is used to accept audio signals from external devices, such as
line output from external audio equipment into the computer sound system.
–
Line out
This connector is used to send audio signals from the computer to external
devices, such as powered speakers with built-in amplifiers, headphones,
multimedia keyboards, or the audio Line in connector on a stereo system.
Note:
The internal speaker in your computer is disabled when any device is
attached to this connector.
v
Adaptec Ultra160 SCSI connector
Some models come with an Adaptec Ultra160 SCSI adapter that supports a
SCSI internal channel that supports up to 15 SCSI devices. This configuration
supports zero wait state, 32-bit memory transfers at 160 MB per second when
low voltage differential (LVD) SCSI peripheral devices are attached. In addition,
this adapter uses:
– Double-transition clocking to achieve high transfer rates
– Domain-name validation to negotiate compatible data-transfer speeds with
each device
Installing options
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