Dell OptiPlex N Service Manual (.pdf) - Page 23

Power-supply heat, BTU/hr nominal without monitor

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Table 1-5. Technical Specifications (continued) Ports (continued) Internally accessible: EIDE drive1 two 40-pin connectors on PCI local bus Diskette drive2 34-pin connector Key Combinations

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System Overview
1-17
Ports
(continued)
Internally accessible:
EIDE drive
1
. . . . . . . . . . .
two 40-pin connectors on PCI local bus
Diskette drive
2
. . . . . . . . .
34-pin connector
Key Combinations
<Ctrl><Alt><Del> . . . . . . . .
restarts (reboots) the computer
<Ctrl><Alt><Enter>. . . . . . .
starts System Setup program (during POST
only)
Controls and Indicators
Power control . . . . . . . . . . . .
push button
Power indicator . . . . . . . . . . .
green LED
Hard-disk drive access
indicator . . . . . . . . . . . . . . . .
green LED
Link integrity indicator
(on connector for optional NIC)
green LED
Activity indicator
(on connector for optional NIC)
yellow LED
Power
Power supply wattage . . . . . .
80 W
Power-supply heat
dissipation . . . . . . . . . . . . . . .
400 BTU/hr (nominal) without monitor
Power supply voltage . . . . . .
90 to 135 V at 60 Hz; 180 to 265 V at 50 Hz
Backup battery . . . . . . . . . . .
3-V CR2032 coin cell
Physical
Height . . . . . . . . . . . . . . . . . .
9.27 cm (3.65 inches)
Width. . . . . . . . . . . . . . . . . . .
33.71 cm (13.27 inches)
Depth. . . . . . . . . . . . . . . . . . .
34.93 cm (13.75 inches)
Weight. . . . . . . . . . . . . . . . . .
5.9 kg (13 lb)
1
Although the system board provides support for four EIDE devices, the power supply supports only
the internal hard-disk drive.
2
An external diskette drive kit is available for diagnostics and troubleshooting purposes only.
Table 1-5.
Technical Specifications
(continued)