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AS4041M-32R+ User's Manual
I/O Backplane
The I/O backplane on the SC748TQ-R1200 provides seven PCI expansion slots for
standard size add-on cards, one COM port, a VGA port, two USB 2.0 ports, PS/2
mouse and keyboard ports and two gigabit Ethernet ports.
Cooling System
The SC748TQ-R1200 chassis has an innovative cooling design that includes three
9-cm hot-swap chassis fans and three 8-cm exhaust fans located at the rear of
the chassis. The power supply modules also include a cooling fan. All chassis and
power supply fans operate continuously.
A setting in BIOS (see Chapter 7) is used to control the system fan speed. This
setting uses voltage control to allow fans to run at different speeds.
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