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Chapter 3 Hardware Installation
26
Chapter 3
GND
A1, A11, A21,
A31, A41, A51,
A57, A60, A66,
A70, A80, A90,
A100, A110,
B1, B11, B21
,B31, B41, B51,
B60, B70, B80,
B90, B100,
B110, C1, C2,
C5, C8, C11,
C14, C21, C31,
C41, C51, C60,
C70, C73, C76,
C80, C84, C87,
C90, C93, C96,
C100, C103,
C110, D1, D2,
D5, D8, D11,
D14, D21, D31,
D41, D51, D60,
D67, D70, D73,
D76, D80, D84,
D87, D90, D93,
D96, D100,
D103, D110
Power
Ground - DC power and signal and AC signal return path.
All available GND connector pins shall be used and tied to Carrier Board
GND plane.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
CH960 PU/PD
Module Base Specification R2.1 Description
COM Express Carrier Design Guide R2.0 Description
TYPE0#
C54
PDS
N.C.
TYPE1#
C57
PDS
N.C.
TYPE2#
D57
PDS
PD 0
ɏ
to GND
TYPE10#
A97
PDS
N.C.
Dual use pin. Indicates to the Carrier Board that a Type 10 Module is
installed. Indicates to the Carrier that a Rev 1.0/2.0 Module is installed
TYPE10#
NC Pin-out R2.0
PD Pin-out Type 10 pull down to ground with 47K resistor
12V Pin-out R1.0
This pin is reclaimed from the VCC_12V pool. In R1.0 Modules this pin will
connect to other VCC_12V pins. In R2.0 this pin is defined as a no connect
for types 1-6. A Carrier can detect a R1.0 Module by the presence of 12V on
this pin. R2.0 Module types 1-6 will no connect this pin. Type 10 Modules
shall pull this pin to ground through a 47K resistor.
Indicates to the Carrier Board that a Type 10 Module is installed.
Indicates to the Carrier Board, that a Rev 1.0/2.0 Module is
installed.
TYPE10#
NC Pin-out R2.0
PD Pin-out Type 10 pull down to ground with 47k
12V Pin-out R1.0
TYPE2# TYPE1# TYPE0#
X X X pin out Type 1
NC NC NC pin out Type 2
NC NC GND pin out Type 3 (no IDE)
NC GND NC pin out Type 4 (no PCI)
NC GND GND pin out Type 5 (no IDE, no PCI)
GND NC NC pin out Type 6 (no IDE, no PCI)
Module type Signal Descriptions
The Type pins indicate the COM Express pin-out type of the
Module. To indicate the Module's pin-out type, the pins are
either not connected or strapped to ground on the Module.
The Carrier Board has to implement additional logic, which
prevents the system to switch power on, if a Module with an
incompatible pin-out type is detected.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
CH960 PU/PD
Module Base Specification R2.1 Description
COM Express Carrier Design Guide R2.0 Description
Power and GND Signal Descriptions
