Dell 755 Personal Computer User Manual


 
100 Desktop Computer Specifications
Drives
Externally accessible one One eSATA drive (optional)
Internally accessible
two SATA (Serial ATA) hard drives
one3.5-inch floppy drive or media card reader
one SATA optical drive
Connectors
External connectors:
Serial
9-pin connector; 16550C-compatible
Parallel
25-pin connector (bidirectional)
Video
15-pin VGA connector
Network adapter
RJ45 connector
Optional PS/2 with secondary serial
port adapter
two 6-pin mini-DINs
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:
SATA
three 7-pin connectors
eSATA
one 7-pin connector
Internal USB 10-pin header for optional media card reader (in 3.5-inch drive bay)
Floppy drive
34-pin connector
Serial
12-pin connector for optional secondary PS/2 serial port card
Fan
5-pin connector
PCI Express
one 120-pin (x16) connector
PCI 2.3
two 120-pin connectors
Front panel
40-pin connector