Specifications

CompuLab Ltd. IPC2 – Hardware Specification Page 51 of 83
5.1.2 Mini PCI Express* Edge Connector
Table 28 – mini PCI Express edge connector pinout
mini PCI Express edge connector
Pin #
Pin Name
Signal Description
Pin #
Pin Name
Signal Description
1
WAKE#
Open drain, active low signal driven low by a
mini PCIe card to reactivate the PCIe link
2
3.3V
3.3V power rail
3
COEX1/Reserved
Reserved for future wireless coexistence
control interface between radios (if needed)
4
GND
Ground connection
5
COEX2/Reserved
6
1.5V
1.5V power rail
7
CLKREQ#
Clock request - open drain, active low driven
by mini PCIe card to request PCIe reference
clock
8
UIM_PWR/Reserved
The UIM signals are defined on the system
connector to provide the interface between
the removable User Identity Module (UIM)
Interface - an extension of SIM and WWAN.
9
GND
Ground connection
10
UIM_DATA/Reserved
11
REFCLK-
PCI Express differential reference clock (100
MHz)
12
UIM_CLK/Reserved
13
REFCLK+
14
UIM_RESET/Reserved
15
GND
Ground connection
16
UIM_VPP/Reserved
Mechanical Notch Key
17
Reserved/UIM_C8
Reserved
18
GND
Ground connection
19
Reserved/UIM_C4
Reserved
20
W_DISABLE#
Active low signal when asserted by the
system disable radio operation. Reserved for
future use.
21
GND
Ground connection
22
PERST#
Asserted when power is switched off and also
can be used by the system to force HW reset
23
PERn0
PCI Express differential receive pair
24
3.3V
3.3V power rail
25
PERp0
26
GND
Ground connection
27
GND
Ground connection
28
1.5V
1.5V power rail
29
GND
Ground connection
30
SMB_CLK
Not Connected
31
PETn0
PCI Express differential transmit pair
32
SMB_DATA
33
PETp0
34
GND
Ground connection
35
GND
Ground connection
36
USB_D-
USB Host Interface
37
GND
Ground connection
38
USB_D+
39
3.3V
Not Connected
40
GND
Ground connection
41
3.3V
Not Connected
42
LED_WWAN#
Not Connected
43
GND
Ground connection
44
LED_WLAN#
Active low output signals are provided to
allow status indications to users via system
provided LEDs
45
CLink_CLK
Clock signal on specific Intel AMT interface
46
LED_WPAN#
Not Connected
47
CLink_DATA
Data signal on specific Intel AMT interface
48
1.5V
1.5V power rail
49
CLink_RST
Reset signal on specific Intel AMT interface
50
GND
Ground connection
51
Reserved
Not Connected
52
3.3V
3.3V power rail