Dell Optiplex-620 - Page 171

Drives
one serial ATA controller supporting one device and
one parallel Ultra ATA/100 IDE supporting two
devices per channel with one channel
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Expansion Bus
Bus type
PCI 2.2
SATA 1.0a and 2.0
USB 2.0
PCI Express 1.0a
Bus speed
PCI: 33 MHz
SATA: 1.5 and 3.0 Gbps
USB: 480 Mbps
PCI Express x16: 80 Gbps
Cards:
low-profile cards supported
PCI:
connector
one
connector size
120 pins
connector data width (maximum)
32 bits
PCI Express:
connector
one x16
power
25 W (maximum)
connector size
164 pins
connector data width (maximum)
16 PCI Express lanes
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Drives
Externally accessible
one bay for a slimline floppy drive;
one bay for a slimline CD/DVD drive
Internally accessible
one bay for a 1-inch-high hard drive
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Connectors
External connectors:
Serial
9-pin connector; 16550C-compatible
Parallel
25-hole connector (bidirectional)
Video
15-hole VGA connector
Network adapter
RJ45 connector
USB
two front-panel and six back-panel USB 2.0–
compliant connectors
Audio
three connectors for line-in, line-out, and microphone;
one front-panel connector for headphones
System board connectors:
Primary IDE drive
40-pin connector
Serial ATA
7-pin connector
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
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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
(during system start-up only)
<F12> or <Ctrl><Alt><F8>
displays a boot device menu that allows the user to
enter a device for a single boot (during system start-