User`s manual

Dual 10/100/1000Base-T: Intel 82547GI (CSA) and Intel 82541GI

(PCI)

1.3.6 Industrial features

• Watchdog timer: Can generate a system reset or IRQ11. The watch-

dog timer is programmable, with each unit equal to one second or one

minute (255 levels)

1.3.7 Mechanical and environmental specifications

• Operating temperature: 0°~60° C (32° ~ 140° F, Depending on CPU)

• Storage temperature: -20°~ 70° C (-4° ~ 158° F)

• Humidity: 20 ~ 95% non-condensing

• Power supply voltage: +5 V, ±12 V

• Power consumption: Typical : +3.3V:4.23A, +5V:1.35A ,

+12V:4.17A (Intel Pentium® 4 2.4GHz, 512MB DDR 333)

• Board size: 304.8 x 228.6 mm (12" x 9")

• Board weight: 0.7 kg (1.68 lb)

1.4 Jumpers and Connectors

Connectors on the AIMB-742 motherboard link it to external devices

such as hard disk drives and a keyboard. In addition, the board has a num-

ber of jumpers used to configure your system for your application.

The tables below list the function of each of the board jumpers and con-

nectors. Later sections in this chapter give instructions on setting jump-

ers. Chapter 2 gives instructions for connecting external devices to your

motherboard.

Table 1.1: Jumpers

Label

Function

J1 CMOS Clear

J2 Watchdog timer output selection