Feature Specication
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 26. Controls and Lights
Feature Specication
Power button light: o — system is o 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.
Network activity lights (back panel) yellow light — ashes when there is network activity on the connection.
Table 27. Power
Feature Specication
Coin-cell battery 3 V CR2032 lithium coin cell
Voltage 100 VAC to 240 VAC
Wattage
• 1000 W (input voltage 100 VAC – 107 VAC)
• 1300 W (input voltage 181 VAC – 240 VAC)
• 1100 W (input voltage 108 VAC – 180 VAC)
Maximum heat dissipation
1300 W
• 4015.3 BTU/Hr (at 100 VAC)
• 4365.5 BTU/Hr (at 107 VAC)
• 5099.9 BTU/Hr (at 181 VAC)
70 Technical Specications