Dell Precision 220 - Manual (Page 95)

Audio one microphone-in jack;
one line-in/audio-in jack;
one headphones/speakers jack
Internally accessible:
Primary enhanced integrated drive
electronics (EIDE) hard-disk drive 40-pin connector on PCI local bus
Secondary EIDE hard-disk drive 40-pin connector on PCI local bus
Diskette drive 34-pin connector
CD-ROM drive audio interface 4-pin connector
Remote Wakeup 3-pin connector
Fan 3-pin connector
Telephony 4-pin connector
Key Combinations
restarts (reboots) the system
starts System Setup (during power-on self-test [POST] only)
<\> toggles microprocessor speeds on 101-key keyboard (in MS-DOS ® real mode only)
<#> toggles microprocessor speeds on 102-key keyboard (in MS-DOS real mode only)
disables the system password at start-up
Controls and Indicators
Reset control push button
Power control push button
Power indicators green light-emitting diode (LED); blinking green in sleep state; dual-color LED on front
panel
—green for power, yellow for diagnostics
Hard-disk drive access indicator green LED
Link integrity and speed indicator (on integrated
NIC connector) green LED for 10-Mb operation; orange LED for 100-Mb operation
Activity indicator (on integrated NIC connector) yellow LED
Power
DC power supply:
Wattage 230 W
Heat dissipation 913 British thermal units (BTUs) (fully loaded system without monitor)
Voltage 90 to 135 volts (V) at 60 hertz (Hz); 180 to 265 V at 50 Hz
Backup battery 3-V CR2032 coin cell