Information About Your Computer 9
IEEE 1394 Dell Precision 650 computer only —
Two 6-pin serial connectors
Video 15-hole connector (on add-in video
card)
Network connector RJ45 connector
PS/2 (keyboard and mouse) 6-pin mini-DIN connector
USB two USB 2.0-compliant connectors on
the front panel; four USB 2.0-compliant
connectors on the back panel
Audio Dell Precision 650 computer— Three
connectors for line-in, line-out, and
microphone on back panel; one
speaker/headphone and one microphone
connector on the front panel
Dell Precision 450 computer— Three
connectors for line-in, line-out, and
microphone on back panel; one
speaker/headphone on the front panel
System Board Connectors:
Primary IDE channel 40-pin connector
Secondary IDE channel 40-pin connector
Floppy drive 34-pin connector
SCSI 68-pin connector (Dell Precision 650
computer only)
CD drive audio interface 4-pin connector
Telephony (TAPI) 4-pin connector
Fans (3) 3-pin connector
I/O panel 34-pin connector
USB/IEEE 1394 16-pin connector
Connectors
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