Dell 755 Personal Computer User Manual


 
Small Form Factor Computer Specifications 177
Drives
Externally accessible one bay for a slimline floppy drive;
one bay for a slimline optical drive
Internally accessible one bay for a 1-inch-high hard drive
Connectors
External connectors:
Serial
9-pin connector; 16550C-compatible
Parallel
25-pin connector (bidirectional)
Optional PS/2 with secondary serial
port adapter
two 6-pin mini-DINs
NOTE: This option uses the PCI slot.
Video
15-pin VGA connector
Network adapter
RJ45 connector
USB
two front-panel and six back panel USB 2.0–compliant connectors
Audio
two connectors for line-in/ microphone and line-out; two front-
panel connectors for headphones and microphone
System board connectors:
internal USB 10-pin header for optional media card reader (in 3.5-inch drive bay)
SATA
two 7-pin connectors
eSATA
one 7-pin connector
Floppy drive
34-pin connector
Serial
12-pin connector for optional secondary serial port card
Fan
two 5-pin connectors
PCI 2.3
one 120-pin connector
PCI Express
one 164-pin (x16) connector
Front panel
40-pin connector