Dell 755 Personal Computer User Manual


 
Mini Tower Specifications 37
Drives
Internally accessible
Two SATA (Serial ATA) hard drives
One3.5-inch floppy drive or media reader
Two SATA optical drives
Externally accessible One eSATA drive (optional)
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
four 7-pin connectors
eSATA
one 7-pin connector
Floppy drive
34-pin connector
Serial
12-pin connector for optional second PS/2 serial port card
Fan
5-pin connector
PCI 2.2
three 120-pin connectors
PCI Express
one 120-pin (x16) connector
Front panel
40-pin connector
Key Combinations
<Ctrl><Alt><Del> In Microsoft
®
Windows
®
XP, brings up the Windows Security
window. If in MS-DOS
®
mode, restarts (reboots) the computer.
<F2> or <Ctrl><Alt><Enter> starts embedded system setup (during start-up only)
<F3> 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)