Feature Specification
Back I/O:
PCI Express
PCI Express x4
Tower 7910 one 98–pin connector, one 164-pin connector
PCI Express x16
Tower 7910 two 164-pin connectors (four when optional second
processor is installed)
PCI 2.3 one 124-pin connector
Front I/O:
Front USB one 14–pin connector
Internal USB one type A female, one dual-port 2x5 header
Front panel control one 2x14 pin connector
Front panel audio HDA header one 2x5 pin connector
Hard drive/ Optical drive:
SATA
Tower 7910 • two 36-pin mini-SAS connectors for HDD
• two 7-pin SATA connectors for ODD
Power
Tower 7910 one 24-pin, one 20-pin and one 4–pin connector
Table 29. Controls and Lights
Feature Specification
Power button light: off — system is off or unplugged.
solid white light — computer is operating normally.
blinking white light — computer is in stand by.
solid amber light — the computer does not start, indicating a
problem with the system board or power supply.
blinking amber light — indicates a problem has occurred with
the system board.
Drive activity light white light — blinking white light indicates that the computer
is reading data from, or writing data to the hard drive.
Network link integrity lights (back panel) green light — A good connection at 10 Mbs exists between
the network and the computer
orange light — A good connection at 100 Mbs exists
between the network and the computer.
yellow light — A good connection at 1000 Mbs exists
between the network and the computer.
81