
ETX-270 User Manual 1.3
www.diamondsystems.com
Page 5
USB:
4 USB 2.0 ports
Other:
SMbus, I
2
C, IrDA serial interfaces
PC speaker interface
Watchdog timer; supports 255-level reset
Dual system expansion buses:
16-bit ISA bus
32-bit PCI bus; supports 4 PCI masters
Size:
ETX 3.0 compliant form-factor (physical and electrical)
4.5 x 3.7 inches (95mm x 114mm)
Input voltage:
System power: +5V DC +/-5%
Real-time clock backup: +2.0 to 3.6V DC
Operating environment:
-20
o
to +70
o
C operating temperature
0 to 90% operating humidity (non-condensing)
BIOS:
Phoenix-Award PnP flash BIOS
Note:
The ETX 3.0 specification is available for download from
the ETX Industrial Group’s
website (
http://www.etx-ig.de/specs/specs.php
).