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Specification Comparison Table
The table below shows the COM Express standard specifications and the corresponding specifications supported on the AL9A8 module.
Module Pin-out - Required and Optional Features C-D Connector. PICMG® COM Express®
Revision 2.1
Note:
• 5 Indicates 12V-tolerant features on former VCC_12V signals.
• 6 Cells in the connected columns spanning rows provide a rough approximation of
features sharing connector pins.
PICMG®COM.0
COM Express®Module Base Specification
evision 2.1
3 Required and Optional Features
3.2 Module Pin-out Types 1-6 & 10 - Required and Optional Features
COM Express Required and Optional features are summarized in the following table. The features identified as Minimum (Min.) shall
Table 3.2: Module Pin-out - Required and Optional Features A-B Connector
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A8
Type 10
A-B
A-B PCI Express Lanes 0 - 51 / 4 4
A-B LVDS Channel A0 / 1 1
A-B LVDS Channel B NA NA
A-B eDP on LVDS CH A pins0 / 1 1(option)
ANtroPAGVB-A NA
ANtuO-VTB-A NA
1/00IDDB-A 1
A-B
5
Serial Ports 1 - 20 / 2 2
A-B CAN interface on SER10 / 1 1
A-B SATA / SAS Ports1 / 2 2
A-B AC’97 / HDA Digital Interface0 / 1 1
8/4stroP0.2BSUB-A 8
1/0tneilCBSUB-A 0
2/0stroP0.3BSUB-A 2
1/10troPNALB-A 1
A-B Express Card Support0 / 2 2
1/1suBCPLB-A 1
2/1IPSB-A 1
A-B
SDIO (muxed on GPIO)0 / 1 1(option)
General Purpose I/O8 / 8 8
1/1suBMSB-A 1
1/1C2IB-A 1
A-B Watchdog Timer0 / 1 1
1/1tuOrekaepSB-A 1
A-B External BIOS ROM Support0 / 2 1
A-B Reset Functions1 / 1 1
5
Indicates 12V-tolerant features on former VCC_12V signals.
6
Cells in the connected columns spanning rows provide a rough approximation of features sharing connector pins.
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A8
Type 10
A-B
A-B Thermal Protection0 / 1 1
A-B Battery Low Alarm0 / 1 1
A-B Suspend/Wake Signals0 / 3 3
A-B Power Button Support1 / 1 1
1/1dooGrewoPB-A 1
A-B VCC_5V_SBY Contacts4 / 4 4
A-B
5
1/0tupnIpeelS 1
A-B
5
1/0tupnIdiL 1
A-B
5
Fan Control Signals0 / 2 2
A-B Trusted Platform Modules0 / 1 0
A-B
A-B VCC_12V Contacts12 / 12 12
Table 3.3: Module Pin-out - Re
tional Features C-D Connector
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A8
Type 10
C-D
PCI Express Lanes 16 - 31 NA NA
PCI Express Graphics (PEG) NA NA
Muxed SDVO Channels 1 - 2 NA NA
PCI Express Lanes 6 - 15 NA NA
PCI Bus - 32 Bit NA NA
ANtroPATAP NA
AN2-1stroPNAL NA
AN3-1sIDD NA
ANstroP0.3BSU NA
C-D
C-D VCC_12V Contacts NA NA
Power
System I/O
C-D
6
C-D
6
Power
Change Key:
System I/O
System Management
A-B
6
Power Management
PICMG
®
COM.0
COM Express®Module Base Specification
evision 2.1
3 Required and Optional Features
3.2 Module Pin-out Types 1-6 & 10 - Required and Optional Features
COM Express Required and Optional features are summarized in the following table. The features identified as Minimum (Min.) shall
Table 3.2: Module Pin-out - Required and Optional Features A-B Connector
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A8
Type 10
A-B
A-B PCI Express Lanes 0 - 51 / 4 4
A-B LVDS Channel A0 / 1 1
A-B LVDS Channel B NA NA
A-B eDP on LVDS CH A pins0 / 1 1(option)
ANtroPAGVB-A NA
ANtuO-VTB-A NA
1/00IDDB-A 1
A-B
5
Serial Ports 1 - 20 / 2 2
A-B CAN interface on SER10 / 1 1
A-B SATA / SAS Ports1 / 2 2
A-B AC’97 / HDA Digital Interface0 / 1 1
8/4stroP0.2BSUB-A 8
1/0tneilCBSUB-A 0
2/0stroP0.3BSUB-A 2
1/10troPNALB-A 1
A-B Express Card Support0 / 2 2
1/1suBCPLB-A 1
2/1IPSB-A 1
A-B
SDIO (muxed on GPIO)0 / 1 1(option)
General Purpose I/O8 / 8 8
1/1suBMSB-A 1
1/1C2IB-A 1
A-B Watchdog Timer0 / 1 1
1/1tuOrekaepSB-A 1
A-B External BIOS ROM Support0 / 2 1
A-B Reset Functions1 / 1 1
5
Indicates 12V-tolerant features on former VCC_12V signals.
6
Cells in the connected columns spanning rows provide a rough approximation of features sharing connector pins.
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A8
Type 10
A-B
A-B Thermal Protection0 / 1 1
A-B Battery Low Alarm0 / 1 1
A-B Suspend/Wake Signals0 / 3 3
A-B Power Button Support1 / 1 1
1/1dooGrewoPB-A 1
A-B VCC_5V_SBY Contacts4 / 4 4
A-B
5
1/0tupnIpeelS 1
A-B
5
1/0tupnIdiL 1
A-B
5
Fan Control Signals0 / 2 2
A-B Trusted Platform Modules0 / 1 0
A-B
A-B VCC_12V Contacts12 / 12 12
Table 3.3: Module Pin-out - Re
tional Features C-D Connector
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A8
Type 10
C-D
PCI Express Lanes 16 - 31 NA NA
PCI Express Graphics (PEG) NA NA
Muxed SDVO Channels 1 - 2 NA NA
PCI Express Lanes 6 - 15 NA NA
PCI Bus - 32 Bit NA NA
ANtroPATAP NA
AN2-1stroPNAL NA
AN3-1sIDD NA
ANstroP0.3BSU NA
C-D
C-D VCC_12V Contacts NA NA
Power
System I/O
C-D
6
C-D
6
Power
Change Key:
System I/O
System Management
A-B
6
Power Management
PICMG
®
COM.0
COM Express®Module Base Specification
evision 2.1
3 Required and Optional Features
3.2 Module Pin-out Types 1-6 & 10 - Required and Optional Features
COM Express Required and Optional features are summarized in the following table. The features identified as Minimum (Min.) shall
Table 3.2: Module Pin-out - Required and Optional Features A-B Connector
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A8
Type 10
A-B
A-B PCI Express Lanes 0 - 51 / 4 4
A-B LVDS Channel A0 / 1 1
A-B LVDS Channel B NA NA
A-B eDP on LVDS CH A pins0 / 1 1(option)
ANtroPAGVB-A NA
ANtuO-VTB-A NA
1/00IDDB-A 1
A-B
5
Serial Ports 1 - 20 / 2 2
A-B CAN interface on SER10 / 1 1
A-B SATA / SAS Ports1 / 2 2
A-B AC’97 / HDA Digital Interface0 / 1 1
8/4stroP0.2BSUB-A 8
1/0tneilCBSUB-A 0
2/0stroP0.3BSUB-A 2
1/10troPNALB-A 1
A-B Express Card Support0 / 2 2
1/1suBCPLB-A 1
2/1IPSB-A 1
A-B
SDIO (muxed on GPIO)0 / 1 1(option)
General Purpose I/O8 / 8 8
1/1suBMSB-A 1
1/1C2IB-A 1
A-B Watchdog Timer0 / 1 1
1/1tuOrekaepSB-A 1
A-B External BIOS ROM Support0 / 2 1
A-B Reset Functions1 / 1 1
5
Indicates 12V-tolerant features on former VCC_12V signals.
6
Cells in the connected columns spanning rows provide a rough approximation of features sharing connector pins.
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A8
Type 10
A-B
A-B Thermal Protection0 / 1 1
A-B Battery Low Alarm0 / 1 1
A-B Suspend/Wake Signals0 / 3 3
A-B Power Button Support1 / 1 1
1/1dooGrewoPB-A 1
A-B VCC_5V_SBY Contacts4 / 4 4
A-B
5
1/0tupnIpeelS 1
A-B
5
1/0tupnIdiL 1
A-B
5
Fan Control Signals0 / 2 2
A-B Trusted Platform Modules0 / 1 0
A-B
A-B VCC_12V Contacts12 / 12 12
Table 3.3: Module Pin-out - Re
tional Features C-D Connector
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A8
Type 10
C-D
PCI Express Lanes 16 - 31 NA NA
PCI Express Graphics (PEG) NA NA
Muxed SDVO Channels 1 - 2 NA NA
PCI Express Lanes 6 - 15 NA NA
PCI Bus - 32 Bit NA NA
ANtroPATAP NA
AN2-1stroPNAL NA
AN3-1sIDD NA
ANstroP0.3BSU NA
C-D
C-D VCC_12V Contacts NA NA
Power
System I/O
C-D
6
C-D
6
Power
Change Key:
System I/O
System Management
A-B
6
Power Management