Functional Description
20NM50-00 E2
2016-05-17
Page 55
4.6.3
PCI Express Mini Card Interface
The NM50 supports the PCI Express Mini Card standard. Its two PCI Express Mini Card
slots are located within the housing.
The PCI Express Mini Card sockets support both full and half-size modules.
4.6.4
Connection of PCI Express Mini Cards
The PCI Express Mini Card is connected using a 52-pin standard PCI Express Mini Card
connector. The following standard signals are supported (signal directions according to
PCI Express Mini Card standard):
Table 14.
Pin assignment of 52-pin PCI Express Mini Card connector
Please see
Figure 4, Basic view of the NM50 interior on page 18
for the position of the
PCI Express Mini Card slot.
Pin
Signal
Pin
Signal
51
Reserved
52
+3.3Vaux
49
Reserved
50
GND
47
Reserved
48
+1.5V
45
Reserved
46
LED_WPAN#
43
GND
44
LED_WLAN#
41
+3.3Vaux
42
LED_WWAN#
39
+3.3Vaux
40
GND
37
GND
38
USB_D+
35
GND
36
USB_D-
33
PETp0
34
GND
31
PETn0
32
SMB_DATA
29
GND
30
SMB_CLK
27
GND
28
+1.5V
25
PERp0
26
GND
23
PERn0
24
+3.3Vaux
21
GND
22
PERST#
19
Reserved
20
W_DISABLE#
17
Reserved
18
GND
Mechanical Key
15
GND
16
UIM_VPP
13
14
UIM_RST
11
REFCLK-
12
UIM_CLK
9
GND
10
UIM_DATA
7
CLKREQ#
8
UIM_PWR
5
Reserved
6
1.5V
3
Reserved
4
GND
1
WAKE#
2
+3.3Vaux
