User`s manual
www.dfi .comChapter 2 Concept
9
Chapter 2
Specification Comparison Table
• 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.
The table below shows the COM Express standard specifications and the corresponding specifications supported on the HR902-B/BL series module.
Module Pin-out - Required and Optional Features C-D Connector. PICMG
®
COM.0Revision 2.1
Connector Feature
COM Express Module Base
Specification Type 2
(IDE + PCI)
Min
/
Ma
x
DFI
HR902-B/BL Series
Type 2
A
-B
A
-B PCI Ex
p
ress Lanes 0 - 5 1 / 6 5
A
-B LVDS Channel
A
0 / 1 1
A
-B LVDS Channel B 0 / 1 1
A
-B eDP on LVDS CH A
p
ins N
A
N
A
A
-B
V
GA Port 0 / 1 1
A
-B TV-Out N
A
N
A
A
-B DDI 0 N
A
N
A
A
-B
5
Serial Ports 1 - 2 NA NA
A
-B CAN interface on SER1 N
A
N
A
A
-B SATA / SAS Ports 1 / 4 4
A-B AC’97 / HDA Digital Interface 0 / 1 1
A
-B USB 2.0 Ports 4 / 8 8
A
-B USB Client 0 / 1 0
A
-B USB 3.0 Ports N
A
N
A
A
-B LAN Port 0 1 / 1 1
A
-B Ex
p
ress Card Su
pp
ort 1 / 2 2
A
-B LPC Bus 1 / 1 1
A
-B SPI 1 / 2 1
A
-B
SDIO
(
muxed on GPIO
)
N
A
N
A
General Pur
p
ose I/O 8 / 8 8
A
-B SMBus 1 / 1 1
A
-B I2C 1 / 1 1
A
-B Watchdo
g
Timer 0 / 1 1
A
-B S
p
eaker Out 1 / 1 1
A
-B External BIOS ROM Su
pp
ort 0 / 2 1
A
-B Reset Functions 1 / 1 1
System I/O
System Management
A-B
6
Connector Feature
Type 2 (IDE + PCI)
Min / Max
DFI
HR902-B/BL Series
T
yp
e 2
A-B
A-B Thermal Protection 0 / 1
1
A-B Battery Low Alarm 0 / 1
1
A-B Suspend/Wake Signals 0 / 3
2
A-B Power Button Support 1 / 1
1
A-B Power Good 1 / 1
1
A-B VCC_5V_SBY Contacts 4 / 4
4
A-B
5
Sleep Input NA
N
A
A-B
5
Lid Input NA
N
A
A-B
5
Fan Control Signals NA
N
A
A-B Trusted Platform Modules NA
N
A
A-B
A-B VCC_12V Contacts 12 / 12
12
Power
Power Management
Connector Feature
Type 2 (IDE + PCI)
Min / Max
DFI
HR902-B/BL Series
T
yp
e 2
C-D
PCI Express Lanes 16 - 31 0 / 16
0
PCI Express Graphics (PEG) 0 / 1
1
Muxed SDVO Channels 1 - 2 0 / 2
1
PCI Express Lanes 6 - 15 NA
N
A
PCI Bus - 32 Bit 1 / 1
1
PATA Port 1 / 1
1
LAN Ports 1 - 2 NA NA
DDIs 1 - 3 NA
N
A
USB 3.0 Ports NA
N
A
C-D
C-D VCC_12V Contacts 12 / 12
12
System I/O
C-D
6
C-D
6
Power