user manual

5-42 Computer Group Literature Center Web Site
Transition/Bridge Modules
5
SM Bus and LM78 Header (J1)
Table 5-24. SM Bus and LM78 Header (J1)Pin
Assignments
Pin
Signal
Mnemonic
Signal
Description Pin
Signal
Mnemonic
Signal
Description
1OPEN- Chassis
intrusion
signal
2 GND Ground
3 GND Ground 4 SMBALERT- SM bus
interrupt
signal
5 GND Ground 6 SMBDATA SM bus data
strobe signal
7VCC SM bus
power
8 SMBCLK SM bus
clock signal
9 BYPASS Power
switch
bypass signal
10 VCC SM bus
power
11 BT1- Board
temperature
interrupt
signal
12 GND Ground