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
3
GND
15
GND
4
+5 V
16
PS-ON#
5
GND
17
GND
6
+5 V
18
GND
7
GND
19
GND
8
PWROK
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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