Dell Precision 610 - Manual (Page 85)

Parallel one 25-pin connector (bidirectional)
SCSI one 68-pin Ultra/Wide SCSI connector
Video standard 15-pin DIN connector(s) on add-in graphics adapter
PS/2-style keyboard 6-pin mini-DIN connector
PS/2-compatible mouse 6-pin mini-DIN connector
NIC RJ45 connector
USB two USB-compliant 4-pin connectors
Audio line in 1/8-inch miniature audio jack
Audio line out 1/8-inch miniature audio jack
Audio microphone in 1/8-inch miniature audio jack
Internally accessible:
EIDE drive two 40-pin connectors on PCI local bus
Primary SCSI channel one 68-pin Ultra2/Wide SCSI connector
Secondary SCSI
channel one internal 50-pin Narrow SCSI connector; one external 68-pin Ultra/Wide SCSI connector
Diskette drive one 26-pin connector
CD-ROM drive audio
interface 4-pin connector
Wakeup On LAN 3-pin connector
Fan 3-pin connector
Control panel
connectors:
Thermal sensor 3-pin connector
Chassis intrusion 2-pin connector
Speaker 4-pin connector
Video
Video type AGP and PCI graphics adapters
Key Combinations
<Ctrl><Alt><Del> restarts (reboots) the system
<F2> or
<Ctrl><Alt><Enter> starts System Setup program (during POST only while Dell logo screen is displayed)
Controls and Indicators
Reset control push button
Power control push button
Power indicator/sleep
mode indicator green LED (indicates power)
amber LED (indicates sleep mode)