Dell OptiPlex NX1 - Manual (Page 49)

System Overview 1-37
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Externally accessible:
Serial (DTE) . . . . . . . . . . two 9-pin connectors (16550-compatible)
Parallel . . . . . . . . . . . . . . one 25-hole connector (bidirectional)
Video . . . . . . . . . . . . . . . one 15-hole connector
PS/2-style keyboard . . . . 6-pin mini-DIN
PS/2-compatible
mouse . . . . . . . . . . . . . .
6-pin mini-DIN
NIC . . . . . . . . . . . . . . . . . RJ45 connector (optional)
USB . . . . . . . . . . . . . . . . two USB host connectors
Audio line-in . . . . . . . . . . 2.0-V rms (maximum); stereo
Audio microphone . . . . . 89-mV rms (maximum); mono
Audio line-out . . . . . . . . . 1.4-V rms (maximum); stereo (at 32 ohms
minimum impedance)
Internally accessible:
EIDE hard-disk drive. . . . two 40-pin connectors on PCI local bus
Diskette drive . . . . . . . . . 34-pin connector
CD-ROM drive audio
interface . . . . . . . . . . . .
4-pin connector
ATI Multimedia
Channel (AMC). . . . . . . .
40-pin connector
CD-in . . . . . . . . . . . . . . . 4-pin connector
.H\ &RPELQDWLRQV
. . . . . . . . . . . restarts (reboots) the system
. . . . . . . . . . . . . . . . . . starts System Setup program (during the
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)
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