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Small form-factor computer
expansion-card connector
one PCI slot; low-profile cards are supported (card
size = 6.35 cm [2.5 inches] high by 16.76 cm [6.6
inches] long)
Small desktop computer
expansion-card connectors:
two PCI slots; half-length cards are supported (card
size = 10.67 cm [4.2 inches] high by 17.65 cm [6.95
inches] long)
Small mini-tower computer
expansion-card connectors:
four PCI slots (card sizes = three PCI slots support
cards up to 10.67 cm [4.2 inches] high by 27.9 cm [11
inches] long, and one PCI slot supports cards up to
10.67 cm [4.2 inches] high by 22.9 cm [9 inches] long)
PCI expansion-card connector size
120 pins
PCI expansion-card connector data width (maximum)
32 bits
Memory module connector size
DDR — 184 pins
Drives
Externally accessible bays:
Small form-factor computer
one bay for a slimline floppy drive
one bay for a slimline optical drive
Small desktop computer
one bay for a 3.5-inch floppy drive
one bay for a 5.25-inch device drive
Small mini-tower computer
two bays for two 3.5-inch floppy drives
two bays for two 5.25-inch device drives
Internally accessible bays:
Small form-factor computer
one bay for a 1-inch-high IDE hard drive
Small desktop computer
one bay for a 1-inch-high IDE hard drive
Small mini-tower computer
two bays for 1-inch high IDE hard drives
Ports
Externally accessible:
Serial (data terminal equipment [DTE])
one 9-pin (second optional) connector; 16550-
compatible on the back I/O panel
Parallel
one 25-hole connector (bidirectional) on the back I/O
panel
Video
15-hole VGA connector on the back I/O panel
Integrated network adapter
RJ45 connector on the back I/O panel
Personal System/2 (PS/2)-style keyboard
6-pin mini-Deutsche Industrie Norm (DIN) on the
back I/O panel
PS/2-compatible mouse
6-pin mini-DIN on the back I/O panel
Universal Serial Bus (USB)
four USB 2.0-compliant connectors on the back I/O
panel; two on the front panel
Internally accessible:
Primary IDE hard drive
40-pin connector on PCI local bus
Secondary IDE hard drive (on small mini-tower
computers)
40-pin connector on PCI local bus
Floppy drive
34-pin connector
CD drive audio interface
4-pin connector
Telephony
4-pin connector
Fan
3-pin connector
PCI
120-pin connector
Serial
12-pin connector for optional 2nd serial port card
Front audio
10-pin connector
Front panel
34-pin connector
Key Combinations
<Ctrl><Alt><Del>
restarts (reboots) the computer
<Ctrl><Alt><\>
toggles processor speeds on 101-key keyboard (in
MS-DOS®real mode only)
<Ctrl><Alt><#>
toggles processor speeds on 102-key keyboard (in
MS-DOS real mode only)
<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)
<F12> or <Ctrl><Alt><F8>
displays a one-time boot menu that allows the user
to enter a device for a single boot (during start-up
only)
<Ctrl><Alt><F10>
launches the utility partition (if installed) during
computer start-up