Advantech AIMB-740 Series, Руководство пользователя, Страница: 21 / 134

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• 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-740/741 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
J3 Riser Card Selection 1
J4 Riser Card Selection 2