User`s manual

www.dfi .comChapter 3 Hardware Installation
16
Chapter 3
COM Express Connectors Signal Description
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
AC/HAD_RST# A30 O CMOS 3.3V Suspend/3.3V Reset output to CODEC, active low.
AC/HDA_SYNC A29 O CMOS 3.3V/3.3V PU 1K to 3.3VSB Sample-synchronization signal to the CODEC(s).
AC/HDA_BITCLK A32 I/O CMOS 3.3V/3.3V Serial data clock generated by the external CODEC(s).
AC/HDA_SDOUT A33 O CMOS 3.3V/3.3V Serial TDM data output to the CODEC.
AC/HDA_SDIN2 B28 I/O CMOS 3.3V Suspend/3.3V
AC/HDA_SDIN1 B29 I/O CMOS 3.3V Suspend/3.3V
AC/HDA_SDIN0 B30 I/O CMOS 3.3V Suspend/3.3V
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
GBE0_MDI0+ A13 I/O Analog 3.3V max Suspend
GBE0_MDI0- A12 I/O Analog 3.3V max Suspend
GBE0_MDI1+ A10 I/O Analog 3.3V max Suspend
GBE0_MDI1- A9 I/O Analog 3.3V max Suspend
GBE0_MDI2+ A7 I/O Analog 3.3V max Suspend
GBE0_MDI2- A6 I/O Analog 3.3V max Suspend
GBE0_MDI3+ A3 I/O Analog 3.3V max Suspend
GBE0_MDI3-
A
2I
/
O Analo
g
3.3V max Sus
p
end
GBE0_ACT# B2 OD CMOS 3.3V Suspend/3.3V Gigabit Ethernet Controller 0 activity indicator, active low.
GBE0_LINK# A8 OD CMOS 3.3V Suspend/3.3V Gigabit Ethernet Controller 0 link indicator, active low.
GBE0_LINK100# A4 OD CMOS 3.3V Suspend/3.3V Gigabit Ethernet Controller 0 100 Mbit / sec link indicator, active low.
GBE0_LINK1000# A5 OD CMOS 3.3V Suspend/3.3V Gigabit Ethernet Controller 0 1000 Mbit / sec link indicator, active low.
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
SATA0_TX+ A16 O SATA AC coupled on Module
SATA0_TX- A17 O SATA AC coupled on Module
SATA0_RX+ A19 I SATA AC coupled on Module
SATA0_RX- A20 I SATA AC coupled on Module
SATA1_TX+ B16 O SATA AC coupled on Module
SATA1_TX- B17 O SATA AC coupled on Module
SATA1_RX+ B19 I SATA AC coupled on Module
SATA1_RX- B20 I SATA AC coupled on Module
SATA2_TX+ A22 O SATA AC coupled on Module
SATA2_TX- A23 O SATA AC coupled on Module
SATA2_RX+ A25 I SATA AC coupled on Module
SATA2_RX- A26 I SATA AC coupled on Module
SATA3_TX+ B22 O SATA AC coupled on Module
SATA3_TX- B23 O SATA AC coupled on Module
SATA3_RX+ B25 I SATA AC coupled on Module
SATA3_RX- B26 I SATA AC coupled on Module
ATA_ACT# A28 I/O CMOS 3.3V / 3.3V PU 10K to 3.3V ATA (parallel and serial) or SAS activity indicator, active low.
A
C97
/
HDA Si
g
nals Descri
p
tion
s
Serial TDM data inputs from up to 3 CODECs.
Gi
g
abit Ethernet Si
g
nals Descri
p
tion
s
Serial ATA or SAS Channel 2 transmit differential pair.
Gigabit Ethernet Controller 0: Media Dependent Interface Differential
Pairs 0,1,2,3. The MDI can operate in 1000, 100 and 10 Mbit / sec
modes. Some pairs are unused in some modes, per the following:
1000BASE-T 100BASE-TX 10BASE-T
MDI[0]+/- B1_DA+/- TX+/- TX+/-
MDI[1]+/- B1_DB+/- RX+/- RX+/-
MDI[2]+/- B1_DC+/-
MDI[3]+/- B1_DD+/-
Serial ATA or SAS Channel 1 receive differential pair.
SATA Si
g
nals Descri
p
tion
s
Serial ATA or SAS Channel 0 transmit differential pair.
Serial ATA or SAS Channel 0 receive differential pair.
Serial ATA or SAS Channel 1 transmit differential pair.
Serial ATA or SAS Channel 3 transmit differential pair.
Serial ATA or SAS Channel 3 receive differential pair.
Serial ATA or SAS Channel 2 receive differential pair.
Pin Types
I Input to the Module
O Output from the Module
I/O Bi-directional input / output signal
OD Open drain output