Dell OptiPlex NX1 Service Manual - Page 48
Serial DTE .. .
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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 on OptiPlex GX1 and OptiPlex NX1 systems) USB two USB-compliant 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-ROMdriveaudiointerface 4-pin connector ATI multimedia 40-pin connector ATAPI 4-pin connector
1-36
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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 on OptiPlex GX1
and OptiPlex NX1 systems)
USB . . . . . . . . . . . . . . . .
two USB-compliant 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. . . . . . . .
40-pin connector
ATAPI . . . . . . . . . . . . . . .
4-pin connector
.H\²&RPELQDWLRQV
<Ctrl><Alt><Del> . . . . . . . . . . .
restarts (reboots) the system
<F2> . . . . . . . . . . . . . . . . . .
starts System Setup program (during the
POST only)
<Ctrl><Alt><\> . . . . . . . . . .
toggles microprocessor speeds on 101-key
keyboard (in MS-DOS
®
real mode only)
<Ctrl><Alt><#> . . . . . . . . .
toggles microprocessor speeds on 102-key
keyboard (in MS-DOS real mode only)
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