User manual
3 SIMB-M21 User Manual
Chapter 1 Product Overview
 2 x LAN RJ45 Ports,
 1 x Audio I/O (3 Jacks) 
Internal I/O:
 3 x USB Connectors supports 6 USB Ports,
 3 x COM RS-232 Connectors with 5V/ 12V Power,
 5 x SATA Connectors (2 SATA 3.0, 3 SATA II),
 1 x Front Panel Connector,
 1x Front Audio,
 1 x CPU Fan Connector (3-pin),
 1 x System Fan Connector (3-pin),
 1 x LVDS (2 x 20-pin),
 1 x LVDS Backlight Power Connector,
 1 x Clear CMOS Jumper (3-pin),
 1 x GPIO 
1.1.7 Mechanical & Environmental
* Specifications are subject to change without notice.
Power Requirement 
+12V (4.86A), +5V (1.28A), +3.3V (1.05A), -12V (0.41A), 5VSB 
(0.36A) 
Power Type  ATX (supports AT Mode) 
Power Connector 
1 x 20-pin ATX Power Connector,
1 x 4-pin ATX 12V Power Connector 
Operating Temperature  0° C to 50° C (32° F to 122° F) 
Operating Humidity  0% to 90% relative humidity, non-condensing 
Size (L x W)  6.69" x 6.69" (170 x 170mm) 
Weight  1.03 lbs (0.47 Kg) 










