ITX-P-3800/Configuration
v1.0
www.winsystems.com
Page 26
Matching Connectors
•
Molex 53047-0610
Cable Housing
•
Molex 51021-0600
7.4.20 MC1/MC2 - PCI Express Mini Card
•
MC1: Full-size Mini Card port 1 (PCIe/mSATA, USB)
•
MC2: Half-size Mini Card port 2 (mSATA, USB)
Layout and Pin Reference
Pin
Description
Pin
Description
1
NC
2
+3.3V
3
NC
4
GND
5
NC
6
+1.5V
7
NC
8
NC
9
GND
10
NC
11
PCIe-CLK-
12
NC
13
PCIe-CLK+
14
NC
15
GND
16
NC
17
NC
18
GND
19
NC
20
NC
21
GND
22
Reset
23
PCIe-RX-/mSATA-RX+
24
+3.3V
25
PCIe-RX+/mSATA-RX-
26
GND
27
GND
28
+1.5V
29
GND
30
SMB-CLK
31
PCIe-TX-/mSATA-TX-
32
SMB-DATA
33
PCIe-TX+/mSATA-TX+
34
GND
35
GND
36
USB-DATA-
37
GND
38
USB-DATA+
39
+3.3V
40
GND
41
+3.3V
42
NC
43
GND
44
NC
45
NC
46
NC
47
NC
48
+1.5V
49
NC
50
GND
51
mSATA/PCIe detect
52
+3.3V
Notes:
1. The MC1 will autodetect mSATA/PCIe interface.
2. SATA1 and MC1 share the same SATA channel. Only one can be used at a time. mSATA is default.
pin 1
pin 52
pin 1
pin 52
MC1
MC2