Table 24. External Connectors
Feature Specification
Audio:
Front Panel one microphone connector and one headphone connector
Back Panel one line-out connector and one line-in/microphone connector
Network Adapter one RJ45 connector
Serial one 9-pin connector; 16550 C compatible
Parallel one 25-pin connector (optional for mini-tower, desktop and small
form factor)
USB 2.0:
Mini-Tower, Desktop, Small Form Factor Front Panel: two
Back Panel: four
Ultra Small Form Factor Front Panel: none
Back Panel: two
USB 3.0: Front Panel: two
Back Panel: two
Video
• 15-pin VGA connector
• two 20-pin DisplayPort connectors
NOTE: Video connectors may vary based on the graphics
card selected.
Table 25. Internal Connectors
Feature Specification
PCI 2.3 data width (maximum) – 32 bits:
Mini-Tower and Desktop one 120-pin connector
Small Form Factor and Ultra Small Form Factor none
PCI Express x1 data width (maximum) – one PCI Express lane:
Mini-Tower and Desktop one 36-pin connector
Small Form Factor and Ultra Small Form Factor none
PCI Express x16 (wired as x4) data width (maximum) – four PCI Express lanes:
Mini-Tower, Desktop, Small Form Factor one 164-pin connector
Ultra Small Form Factor none
PCI Express x16 data width (maximum) – 16 PCI Express lanes:
Mini-Tower, Desktop, Small Form Factor one 164-pin connector
Ultra Small Form Factor none
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