Dell OptiPlex 755 User Manual page 37

Drives
Internally accessible
Externally accessible
Connectors
External connectors:
Serial
Parallel
Video
Network adapter
Optional PS/2 with secondary
serial port adapter
USB
Audio
System board connectors:
SATA
eSATA
Floppy drive
Serial
Fan
PCI 2.2
PCI Express
Front panel
Key Combinations
<Ctrl><Alt><Del>
<F2> or <Ctrl><Alt><Enter>
<F3>
• Two SATA (Serial ATA) hard drives
• One3.5-inch floppy drive or media reader
• Two SATA optical drives
One eSATA drive (optional)
9-pin connector; 16550C-compatible
25-pin connector (bidirectional)
15-pin VGA connector
RJ45 connector
two 6-pin mini-DINs
two front-panel and six back panel USB 2.0–compliant connectors
two connectors for line-in/ microphone and line-out; two front-
panel connectors for headphones and microphone
four 7-pin connectors
one 7-pin connector
34-pin connector
12-pin connector for optional second PS/2 serial port card
5-pin connector
three 120-pin connectors
one 120-pin (x16) connector
40-pin connector
® ®
In Microsoft Windows
®
window. If in MS-DOS
starts embedded system setup (during start-up only)
automatically starts the computer from the network environment
specified by the remote boot environment (PXE) rather than from
one of the devices in the system setup Boot Sequence option
(during start-up only)
XP , brings up the Windows Security
mode, restarts (reboots) the computer.
Mini Tower Specifications
37