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1.3.6
Industrial Features
Watchdog timer: It can generate system reset or NC. The watchdog timer is
programmable, with each unit equal to one second (255 levels).
1.3.7
Mechanical and Environmental Specifications
Operating temperature: 0 ~ 60° C (32 ~ 140° F, Depending on CPU)
Storage temperature: -40 ~ 85° C (-40 ~ 185° F)
Humidity: 5 ~ 95% non-condensing
Power supply voltage: +3.3 V, +5 V, ±12 V, 5 VSB
Power consumption:
Max. load: +3.3 V @ 1.17 A, +5 V @ 2.30 A, +12 V @ 0.06 A, +12 V (8P) @
4.33 A, +5 Vsb @ 0.16 A, -12 V @ 0.01 A
Board size: 304.8 x 244 mm (12" x 9.6")
Board weight: 0.8 kg (weight of board)
1.4
Jumpers and Connectors
Connectors on the ASMB-784 motherboard link it to external devices such as hard
disk drives and a keyboard. In addition, the board has a number of jumpers that are
used to configure your system for your application.
The tables below list the function of each of the jumpers and connectors. Later sec-
tions in this chapter give instructions on setting jumpers. Chapter 2 gives instructions
for connecting external devices to your motherboard.
Table 1.1: Jumper list
Label
JCMOS1
JME1
JWDT1
JUSB1
JUSB2
CPUFAN_SEL1
SYSFAN_SEL1
PSON1
JCASE1
JPEG1, JPEG2 PCIEX16_SLOT6 PCIe Link swtich between one x16 or two x8 or x8, two x4
JKBMS1
JPCICLK1
ASMB-784 User Manual
Function
CMOS clear
Intel ME Disable Jumper for ME/BIOS update
Watch Dog Reset
USB0_1 and USB4_5 power source switch between +5 VSB and +5 V
USB2_3, USB6_7, USB8_9, USB10_11, USB12 power source switch
between +5 VSB and +5 V
FAN PWM / DC mode selection
AT(1-2) / ATX(2-3)
Case Open
PS/2 keyboard and mouse power source switch between +5 VSB and +5 V
PCI slot clock selection between 33 and 66 MHz
4
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