User manual
SOM-5894 User Manual 22
A.1 SOM-5894 Type 6 Pin Assignment
This section gives SOM-5894 pin assignment on COM Express connector which compliant
with COMR.0 R2.1 Type 6 pin-out definitions. More details about how to use these pins and
get design reference, please contact to Advantech for design guide, checklist, reference
schematic, and other hardware/software supports.
SOM-5894 Row A, B
A1 GND B1 GND
A2 GBE0_MDI3- B2 GBE0_ACT#
A3 GBE0_MDI3+ B3 LPC_FRAME#
A4 GBE0_LINK100# B4 LPC_AD0
A5 GBE0_LINK1000# B5 LPC_AD1
A6 GBE0_MDI2- B6 LPC_AD2
A7 GBE0_MDI2+ B7 LPC_AD3
A8 GBE0_LINK# B8 LPC_DRQ0#
A9 GBE0_MDI1- B9 LPC_DRQ1#
A10 GBE0_MDI1+ B10 LPC_CLK
A11 GND B11 GND
A12 GBE0_MDI0- B12 PWRBTN#
A13 GBE0_MDI0+ B13 SMB_CK
A14 N/A B14 SMB_DAT
A15 SUS_S3# B15 SMB_ALERT#
A16 SATA0_TX+ B16 SATA1_TX+
A17 SATA0_TX- B17 SATA1_TX-
A18 SUS_S4# B18 SUS_STAT#
A19 SATA0_RX+ B19 SATA1_RX+
A20 SATA0_RX- B20 SATA1_RX-
A21 GND B21 GND
A22 SATA2_TX+ B22 SATA3_TX+
A23 SATA2_TX- B23 SATA3_TX-
A24 SUS_S5# B24 PWR_OK
A25 SATA2_RX+ B25 SATA3_RX+
A26 SATA2_RX- B26 SATA3_RX-
A27 BATLOW# B27 WDT
A28 SATA_ACT# B28 HDA_SDIN2
A29 HDA_SYNC B29 HDA_SDIN1
A30 HDA_RST# B30 HDA_SDIN0
A31 GND B31 GND
A32 HDA_BITCLK B32 SPKR
A33 HDA_SDOUT B33 I2C_CK
A34 BIOS_DIS0# B34 I2C_DAT
A35 THRMTRIP# B35 THRM#
A36 USB6- B36 USB7-
A37 USB6+ B37 USB7+
A38 USB_6_7_OC# B38 USB_4_5_OC#
A39 USB4- B39 USB5-
A40 USB4+ B40 USB5+










