HP dx2420 Service Reference Guide: HP Compaq dx2420 Business PC - Page 81

PCI Express Mini Card, PCI Express Mini Card Connector, Signal

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76 GND 81 PRSNT2# 77 GND 82 RSVD 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 Pin Signal Pin Signal 1 WAKE# 7 CLKREQ# 13 REFCLK+ 2 3.3V 8 UIM_PWR 14 UIM_RESET 3 Reserved** 9 GND 15 GND 4 GND 10 UIM_DATA 16 UIM_VPP 5 Reserved** 6 1.5V 11 REFCLK12 UIM_CLK 17 Reserved *** (UIM_C8) 18 GND 31 PETn0 37 Reserved* 43 Reserved* 32 SMB_DATA 38 USB_D+ 44 LED_WLAN# 33 PETp0 39 Reserved* 45 Reserved* 34 GND 40 GND 46 LED_WPAN# 36 GND 41 Reserved* 47 Reserved* 36 USB_D- 42 LED_WWAN# 48 +1.5V 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) Pin Signal 19 Reserved*** (UIM_C4) 20 W_DISABLE# 21 GND 22 PERST# 23 PERn0 24 +3.3Vaux 49 Reserved* 50 GND 51 Reserved* 52 +3.3V Pin Signal 25 PERp0 26 GND 27 GND 28 +1.5V 29 GND 30 SMB_CLK PCI Express Mini Card 75

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76
77
78
79
80
GND
GND
PETp15
PETn15
GND
81
82
PRSNT2#
RSVD
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
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
6
WAKE#
3.3V
Reserved**
GND
Reserved**
1.5V
7
8
9
10
11
12
CLKREQ#
UIM_PWR
GND
UIM_DATA
REFCLK-
UIM_CLK
13
14
15
16
17
18
REFCLK+
UIM_RESET
GND
UIM_VPP
Reserved ***
(UIM_C8)
GND
19
20
21
22
23
24
Reserved***
(UIM_C4)
W_DISABLE#
GND
PERST#
PERn0
+3.3Vaux
25
26
27
28
29
30
PERp0
GND
GND
+1.5V
GND
SMB_CLK
31
32
33
34
36
36
PETn0
SMB_DATA
PETp0
GND
GND
USB_D-
37
38
39
40
41
42
Reserved*
USB_D+
Reserved*
GND
Reserved*
LED_WWAN#
43
44
45
46
47
48
Reserved*
LED_WLAN#
Reserved*
LED_WPAN#
Reserved*
+1.5V
49
50
51
52
Reserved*
GND
Reserved*
+3.3V
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)
PCI Express Mini Card
75