Development Kit User’s Guide
October 2008 Order Number: 320067-002US
37
Technical Reference—Intel
®
EP80579 Integrated Processor with Intel
®
QuickAssist Technology
4.8.2 ATX12V Power Connector Pinout
The Intel
®
EP80579 Development Board comes with a 2x12 main power connector.
This connector is compatible with a 2x10 power connector. The board supports the use
of ATX12V power supplies with either 2x10 or 2x12 main power cables. Table 16 shows
the pinout of the main power supply.
29 NOA_5 30 NOA_13
31 GND 32 GND
33 NOA_6 34 NOA_14
35 NOA_7 36 NOA_15
37 GND 38 GND
39 PWRGOOD 40 BCLK_P
41 DFXTEST 42 BCLK_N
43 1.8V 44 1.8V
45 PCICLK 46 RESET_N
47 PCICLK REF 48 DBR_N
49 GND 50 GND
51 SMBUS_DATA 52 TDO
53 SMBUS_CLK 54 TRST_N
55 NC 56 TDI
57 TCK 58 TMS
59 GND 60 XDP_PRSNT_N
Table 15. ITP-XDP Connector (Sheet 2 of 2)
Pin Name Pin Name
Table 16. Main ATX Power Supply Connector
Pin Description Pin Description
1 +3.3 V 13 +3.3 V
2 +3.3 V 14 -12 V
3GND 15 GND
4+5 V 16 PS-ON#
5GND 17 GND
6+5 V 18 GND
7GND 19 GND
8PWROK 20 NC
9 +5 V (Standby) 21 +5 V
10 +12 V 22 +5 V
11 +12 V* 23 +5 V*
12 +3 V* 24 GND*
* The pin is not connected when using a 2x12 power supply cable.
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