Advantech SOM-ETX Design Guide
SOM-4451 Main Features:
•
Embedded SiS 552 processor
•
10/100 Mbps Ethernet
•
18-bit LCD interface
•
MPEG-2 decoder build-in for DVD playback
Table 2.7 SOM-4451 Specifications
Item Description
CPU
Embedded low power SiS 552 200 MHz processor
System Memory
SDRAM SODIMM x 1, Max. 256 MB (optional 512MB)
System Chipset
SiS 552 (on-chip)
BIOS
AWARD 256 KB Flash BIOS
WatchDog Timer
1-62 sec, system reset
Expansion Interface
PCI/ISA
Audio
SiS 552, AC’97 2.0 compliant
MIO
1 x EIDE (Ultra DMA66), 1 x FDD/LPT, 1 x K/B,1 x Mouse, 2 x
RS-232
IrDA
115 Kbps, IrDA 1.0 compliant
USB
2 USB ports, USB 1.1 compliant
Ethernet
RTL 8139C, IEEE 802.3u 100BASE-T Fast Ethernet Built-in
boot ROM
Chipset SiS
552
Resolution
CRT Mode: 1024 x 768 @ 16 bpp (60 Hz)
LCD/Simultaneous Mode: 1024 x 768 @ 16 bpp (60 Hz)
LCD Interface
Supports 18-bit TFT LCD up to XGA resolution
LVDS Interface
18-bit ANSI EIA/TIA-644, over 10 meters
TV-Out (optional)
Supports both NTSC/PAL, S-video & Composite video
Dimensions (L x W)
95 x114 mm (3.7" x 4.5")
Power Supply Voltage
+5 V ± 5%
Power Requirement
Max. : 5 V @ 2.5 A
Typical : 5 V @ 1.92 A (w/128 MB RAM)
Operating Temperature
0~60° C (32~140° F), fanless operation
Operating Humidity
0%~90% relative humidity
Chapter 2 SOM-ETX Overview
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