Chapter 2, Com express connector – DFI COM100-B User Manual
Page 25
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Chapter 2 Hardware Installation
25
Chapter 2
COM Express Connector
The COM Express connectors are used to interface the carrier board with a COM Express
board. Refer to the following pages for the pin functions of these connectors.
COM Express
Connectors (Type 10)
COM1
COM2
I C
COM2
COM1
Signal Descriptions
4.6.7
Type 6
Modules implementing Pin-out Type 6
shall
shall use the pin-out shown in this table. Refer to
Table 3.2 for minimum requirements and Table 3.4 for the order in which interfaces
shall
shall be
implemented.
Table 4.45: Pin List for Pin-out Type 6
Pin
Row A
Row B
Row C
Row D
1
GND(FIXED)
GND(FIXED)
GND(FIXED)
GND(FIXED)
2
GBE0_MDI3-
GBE0_ACT#
GND
GND
3
GBE0_MDI3+
LPC_FRAME#
USB_SSRX0-
USB_SSTX0-
4
GBE0_LINK100#
LPC_AD0
USB_SSRX0+
USB_SSTX0+
5
GBE0_LINK1000#
LPC_AD1
GND
GND
6
GBE0_MDI2-
LPC_AD2
USB_SSRX1-
USB_SSTX1-
7
GBE0_MDI2+
LPC_AD3
USB_SSRX1+
USB_SSTX1+
8
GBE0_LINK#
LPC_DRQ0#
GND
GND
9
GBE0_MDI1-
LPC_DRQ1#
USB_SSRX2-
USB_SSTX2-
10
GBE0_MDI1+
LPC_CLK
USB_SSRX2+
USB_SSTX2+
11
GND(FIXED)
GND(FIXED)
GND(FIXED)
GND(FIXED)
12
GBE0_MDI0-
PWRBTN#
USB_SSRX3-
USB_SSTX3-
13
GBE0_MDI0+
SMB_CK
USB_SSRX3+
USB_SSTX3+
14
GBE0_CTREF
SMB_DAT
GND
GND
15
SUS_S3#
SMB_ALERT#
DDI1_PAIR6+
DDI1_CTRLCLK_AUX+
16
SATA0_TX+
SATA1_TX+
DDI1_PAIR6-
DDI1_CTRLDATA_AUX-
17
SATA0_TX-
SATA1_TX-
RSVD
19
RSVD
19
18
SUS_S4#
SUS_STAT#
RSVD
19
RSVD
19
19
SATA0_RX+
SATA1_RX+
PCIE_RX6+
PCIE_TX6+
20
SATA0_RX-
SATA1_RX-
PCIE_RX6-
PCIE_TX6-
21
GND(FIXED)
GND(FIXED)
GND(FIXED)
GND(FIXED)
22
SATA2_TX+
SATA3_TX+
PCIE_RX7+
PCIE_TX7+
23
SATA2_TX-
SATA3_TX-
PCIE_RX7-
PCIE_TX7-
24
SUS_S5#
PWR_OK
DDI1_HPD
RSVD
19
25
SATA2_RX+
SATA3_RX+
DDI1_PAIR4 +
RSVD
19
26
SATA2_RX-
SATA3_RX-
DDI1_PAIR4-
DDI1_PAIR0+
27
BATLOW#
WDT
RSVD
19
DDI1_PAIR0-
28
(S)ATA_ACT#
AC/HDA_SDIN2
RSVD
19
RSVD
19
29
AC/HDA_SYNC
AC/HDA_SDIN1
DDI1_PAIR5+
DDI1_PAIR1+
30
AC/HDA_RST#
AC/HDA_SDIN0
DDI1_PAIR5-
DDI1_PAIR1-
31
GND(FIXED)
GND(FIXED)
GND(FIXED)
GND(FIXED)
32
AC/HDA_BITCLK
SPKR
DDI2_CTRLCLK_AUX+
DDI1_PAIR2+
33
AC/HDA_SDOUT
I2C_CK
DDI2_CTRLDATA_AUX-
DDI1_PAIR2-
34
BIOS_DIS0#
I2C_DAT
DDI2_DDC_AUX_SEL
DDI1_DDC_AUX_SEL
35
THRMTRIP#
THRM#
RSVD
19
RSVD
19
36
USB6-
USB7-
DDI3_CTRLCLK_AUX+
DDI1_PAIR3+
37
USB6+
USB7+
DDI3_CTRLDATA_AUX-
DDI1_PAIR3-
38
USB_6_7_OC#
USB_4_5_OC#
DDI3_DDC_AUX_SEL
RSVD
19
39
USB4-
USB5-
DDI3_PAIR0+
DDI2_PAIR0+
40
USB4+
USB5+
DDI3_PAIR0-
DDI2_PAIR0-
41
GND(FIXED)
GND(FIXED)
GND(FIXED)
GND(FIXED)
19 RSVD pins are reserved for future use and
should
should be no connect. Do not tie the RSVD pins together.
PICMG® COM.0 Revision 2.1 COM Express® Base Specification, Mar 28, 2012
Revision 2.1 - Draft 0.92 / Copyright PICMG (file PICMG_COM_0_R2_1_D092.odt)
87
DRAFT Version - Do Not Design To/Do Not Claim Compliance To/Do Not Distribute This Document