Dell OptiPlex GX520 - Page 106

devices per channel with one channel

Expansion Bus
Bus type
PCI 2.3
SATA 1.0a and 2.0
USB 2.0
PCI Express 1.0a
Bus speed
PCI: 33 MHz
SATA: 1.5 Gbps and 3.0 Gbps
USB: 480 Mbps
PCI Express x1: 5 Gbps
Cards:
full-height cards supported
PCI:

connectors
two
connector size
120 pins
connector data width
(maximum)
32 bits
PCI Express:

connectors
one x1
power
10 W maximum
connector size
36 pins
connector data width (maximum)
one PCI Express lane

Drives
Externally accessible
one 3.5-inch drive
two 5.25-inch drive bays
Internally accessible
two bays for 1-inch-high hard drives

Connectors
External connectors:
Serial
9-pin connector; 16550C-compatible
Parallel
25-hole connector (bidirectional)
Video
15-hole 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
three connectors for line-in, line-out, and microphone;
two front-panel connectors for headphones and
microphone
System board connectors:
Primary IDE drive
40-pin connector
Serial ATA
four 7-pin connectors
Floppy drive
34-pin connector
Serial
12-pin connector for optional second serial port card
Fan
5-pin connector
PCI 2.2
120-pin connector
CD drive audio interface
4-pin connector
Front panel
40-pin connector

Key Combinations
<Ctrl><Alt><Del>
in Microsoft®Windows®XP, brings up the Windows
Security window.; in MS-DOS®mode, restarts
(reboots) the computer
<F2> or <Ctrl><Alt><Enter>
starts embedded system setup (during system start-
up only)
<Ctrl><Alt><b>
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