Atx Power Connector (Atx1); Full-Size Pci-Express Mini Card Connector (Scn1 And Scn3) - AXIOMTEK CAPA315 User Manual

2.4.14

ATX Power Connector (ATX1)

Steady and sufficient power can be supplied to all components on the board by
connecting the power connector. Please make sure all components and devices are
properly installed before connecting the power connector.
The ATX1 is a 4-pin power supply interface. External power supply plug fits into ATX1 in
only one orientation. Properly press down power supply plug until it completely and
firmly fits into this connector. Loose connection may cause system instability.
Pin Signal
1 GND
2 GND
3 +12V
4 +12V
2.4.15 Full-size PCI-Express Mini Card Connector (SCN1 and
SCN3)
These are two full-size PCI-Express Mini Card connectors on the bottom side complying
with PCI-Express Mini Card Spec. V1.2.
SCN1 (support PCI-Express and USB 2.0):
Pin Signal
1 WAKE#
3 N.C
5 N.C
7 CLKREQ#
9 GND
11 REFCLK-
13 REFCLK+
15 GND
17 N.C
19 N.C
21 GND
23 PE_RXN3
25 PE_RXP3
27 GND
29 GND
31 PE_TXN3
33 PE_TXP3
35 GND
37 GND
39 +3.3VSB
41 +3.3VSB
43 GND
45 N.C
47 N.C
49 N.C
51 N.C
Board and Pin Assignments
2 1
Pin Signal
2 +3.3VSB
4 GND
6 +1.5V
8 SIM_PWR
10 SIM_DATA
12 SIM_CLK
14 SIM_REST
16 SIM_VPP
18 GND
20 W_DISABLE#
22 PERST#
24 +3.3VSB
26 GND
28 +1.5V
30 SMB_CLK
32 SMB_DATA
34 GND
36 USB_D7-
38 USB_D7+
40 GND
42 N.C
44 N.C
46 N.C
48 +1.5V
50 GND
52 +3.3VSB
CAPA315 3.5" Board
17