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Chapter 1 General Information
1.1
Introduction
The SOM-4475 is an Intel Low Voltage Intel® Pentium® III/
Celeron® processor System On Module (SOM) with audio controller,
a 4X AGP SVGA controller, a PCI 10/100Base-T Ethernet interface.
Using an Intel PIII/Celeron processor, the SOM-4475 achieves quite
good performance on the SOM-ETX CPU module. On-board features
include two serial ports, one multi-mode parallel (ECP/EPP/SPP) port,
four USB (Universal Serial Bus) ports, a floppy drive controller, and
a keyboard/PS/2 mouse interface. The built-in high-speed PCI IDE
controller supports both PIO and UDMA/33 bus master modes. Up to
two IDE devices can be connected, including large hard disks, CD-
ROM drives, and tape backup drives. The SOM-4475 features power
management to minimize power consumption. It complies with the
"Green Function" standard and supports Doze, Standby and Suspend
modes. In addition, the board's watchdog timer can automatically reset
the system or generate an interrupt if the system stops due to a pro-
gram bug or EMI.The small size (95 mm x 114 mm) and use of four
high capacity connectors based on the proven SOM-ETX form factor,
allow the SOM-ETX modules to be easily and securely mounted onto
a customized solution board or our standard SOM-DB4400 devel-
opment board.
The SOM-4475 is a highly integrated multimedia SOM that combines
audio, video, and network functions. It provides 16-bit half-duplex,
8-bit full-duplex, integrated 3D audio, and up to 1024 x 768 resolution
@ 16.8 M colors with 8/16/32 MB system memory. Major on-board
devices adopt PCI technology, to achieve outstanding computing per-
formance when used with Intel® Pentium® III/Celeron® processors.
The SOM-4475 also supports TV-out that supports NTSC/PAL format
for multimedia applications.
SOM-4475 User's Manual
2
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