Dell Precision NX046 User Manual page 39

Expansion
PCI Express x8 wired as x4
(SLOT1_PCIE)
connectors
connector size
connector data width (maximum)
bus transfer rate
PCI Express 2.0 x16
connector
connector size
connector data width (maximum)
bus transfer rate
Ports and Connectors
External connectors
Serial
Parallel
IEEE 1394 (optional)
Network adapter
PS/2 (keyboard and mouse)
USB
Audio
System board connectors
Floppy drive
one x8 (supports x8, x4, and x1 modes/cards;
maximum x4 link width)
98 pins
4 PCI Express lanes
2.5 GB/s/lane/direction (raw bandwidth)
two x16 slots (support x16, x8, x4 and x1
modes/cards)
164 pins
16 PCI Express lanes
5 GB/s/lane/direction (raw bandwidth)
two 9-pin connectors; 16550C-compatible
25-hole connector (bidirectional)
one front-panel 6-pin connector and one
rear panel 6-pin connector
RJ45 connector
two 6-pin mini-DIN
two front-panel and five back-panel USB
2.0–compliant connectors
two front-panel connectors for microphone
and headphones;
two back-panel connectors for line-in and
line-out
34-pin connector
About Your Computer
39