Development Kit User’s Guide
October 2008
Order Number: 320067-002US
43
Technical Reference—Intel
®
EP80579 Integrated Processor with Intel
®
QuickAssist Technology
4.8.7
Front Panel Header
The Intel
®
EP80579 Development Board has a 10-pin keyed header for the front panel
connector. This section describes the functions of the front panel header.
Table 23
shows the pinout.
4.8.8
SMBus Header
The Intel
®
EP80579 Development Board provides four external headers to support
access to the SMBus. For the SMBus header pinout, refer to
Table 24
.
Table 23.
Front Panel Header Pinout
Pin
Signal
Description
Hard Drive Activity LED
1
HD_ACT_LED_P
Hard drive activity LED +
2
HD_ACT_LED_N
Hard drive activity LED -
Power LED
3
FP_PWR_LED_P
Power LED +
4
FP_PWR_LED_N
Power LED -
Power On/Off Switch
5
GND
Ground
6
FP_PWR_BTN_N
Power on/off switch
Reset Switch
7
FP_Reset_BTN_N
Power reset switch
8
GND
Ground
Others
9
GND
Ground
10
Key (no pin)
Key (unconnected)
Table 24.
SMBus Header Pinout
Pin
Signal
1
Data
2
Ground
3
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