adld25pc Advanced Digital Logic, Inc., adld25pc Datasheet - Page 20

• Manufacturer Part Number: adld25pc
• Description: Highly Complex Computer Motherboard In The Pc/104
• Manufacturer: Advanced Digital Logic, Inc.

Chapter: Connectors
3.6 PCI/104-Express Bus
Expansion modules for the PCI-Express bus can be connected to the board using the PCI/104-Express™
connector. This is a "type 2" connector with only those signals connected that are supported by the
chipset. "Stacking Error" functionality is available. For specifics, please refer to the PCI/104-Express™
documentation (rev. 2.0).
Pinout PCI104-Express connector (type 2):
page 20
USB overcurrent
3.3 volt supply
USB11 +
USB11 -
ground
transmit lane 2 +
transmit lane 2 -
ground
transmit lane 3 +
transmit lane 3 -
ground
receive lane 2 +
receive lane 2 -
ground
receive lane 3 +
receive lane 3 -
ground
clock slot 1 +
clock slot 1 -
5 volt standby supply
clock slot 2 +
clock slot 2 -
CPU direction
SMBus data
SMBus clock
SMBus alert
link reactivation
Description
USBOC#
3.3V
USB11
USB11#
GND
GND
GND
GND
GND
PECLK1
PECLK1#
PECLK2
PECLK2#
CPU_DIR
SMBDAT
SMBCLK
SMBALERT 51
PEWAKE#
PET2
PET2#
PET3
PET3#
PER2
PER2#
PER3
PER3#
SVCC
Name
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
53
Pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
PERST#
3.3V
USB10
USB10#
GND
PET1
PET1#
GND
PET4
PET4#
GND
PER1
PER1#
GND
PER4
PER4#
GND
PECLK0
PECLK0#
SVCC
PECLK3
PECLK3#
PWRGOOD powergood
N/C
N/C
PSON#
ST1-ERR#
Name
ADL Embedded Solutions ADLD25PC
PCIe reset
3.3 volt supply
USB10 +
USB10 -
ground
transmit Lane 1 +
transmit lane 1 -
ground
transmit lane 4 +
transmit lane 4 -
ground
receive lane 1 +
receive lane 1 -
ground
receive lane 4 +
receive lane 4 -
ground
clock slot 0 +
clock slot 0 -
5 volt standby supply
clock slot 3 +
clock slot 3 -
reserved
reserved
power supply on
stacking error 1
PCI/104-Express Bus
Description