Pci Express Mini Card - HP dx2420 - Microtower PC Service & Reference Manual

76 GND
77 GND
78 PETp15
79 PETn15
80 GND
NOTE: x1 PCI Express uses pins 1-18
x4 PCI Express uses pins 1-32
x8 PCI Express uses pins 1-49
x16 PCI Express uses pins 1-8

PCI Express Mini Card

PCI Express Mini Card Connector
Pin Signal
1 WAKE#
2 3.3V
3 Reserved**
4 GND
5 Reserved**
6 1.5V
31 PETn0
32 SMB_DATA
33 PETp0
34 GND
36 GND
36 USB_D-
NOTE: *Reserved for future second PCI Express LAN (if needed)
**Reserved for future wireless coexistence control interface (if needed)
***Reserved for future UIM interface (if needed)
81 PRSNT2#
82 RSVD
Pin Signal Pin
7 CLKREQ# 13
8 UIM_PWR 14
9 GND 15
10 UIM_DATA 16
11 REFCLK- 17
12 UIM_CLK
18
37 Reserved* 43
38 USB_D+ 44
39 Reserved* 45
40 GND 46
41 Reserved* 47
42 LED_WWAN# 48
Signal Pin Signal
REFCLK+ 19 Reserved***
(UIM_C4)
UIM_RESET
20
W_DISABLE#
GND
21
GND
UIM_VPP
22
PERST#
Reserved ***
23
(UIM_C8) PERn0
24
GND +3.3Vaux
Reserved* 49 Reserved*
LED_WLAN# 50 GND
Reserved* 51 Reserved*
LED_WPAN# 52 +3.3V
Reserved*
+1.5V
Pin Signal
25 PERp0
26 GND
27 GND
28 +1.5V
29 GND
30 SMB_CLK
PCI Express Mini Card 75