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Page 14 Express-IBE2

3. COM Express Pinouts and Signal Descriptions

The following information is a summary of the most important information regarding pinout and signal description in the official PICMG

COM.0 Rev 2.0 (soon 2.1)

The pinout is described here to emphazise issues that have not been followed in the past. The following description may still contain small

inacuaracies; in case of doubt, the offical design guide of PICMG should be consulted.

3.1. AB / CD Pin Definitions

All pins in the specification are described, including those not supported on the Express-IB. Those not supported on the Express-IBE2

module are crossed out

Row A Row B Row C Row D

Pin No. Pin Name Pin No. Pin Name Pin No. Pin Name Pin No. Pin Name

A1 GND (FIXED) B1 GND (FIXED) C1 GND FIXED) D1 GND FIXED)

A2 GBE0_MDI3- B2 GBE0_ACT# C2 IDE_D7 D2 IDE_D5

A3 GBE0_MDI3+ B3 LPC_FRAME# C3 IDE_D6 D3 IDE_D10

A4 GBE0_LINK100# B4 LPC_AD0 C4 IDE_D3 D4 IDE_D11

A5 GBE0_LINK1000# B5 LPC_AD1 C5 IDE_D15 D5 IDE_D12

A6 GBE0_MDI2- B6 LPC_AD2 C6 IDE_D8 D6 IDE_D4

A7 GBE0_MDI2+ B7 LPC_AD3 C7 IDE_D9 D7 IDE_D0

A8 GBE0_LINK# B8 LPC_DRQ0# C8 IDE_D2 D8 IDE_REQ

A9 GBE0_MDI1- B9 LPC_DRQ1# C9 IDE_D13 D9 IDE_IOW#

A10 GBE0_MDI1+ B10 LPC_CLK C10 IDE_D1 D10 IDE_ACK#

A11 GND (FIXED) B11 GND (FIXED) C11 GND (FIXED) D11 GND (FIXED)

A12 GBE0_MDI0- B12 PWRBTN# C12 IDE_D14 D12 IDE_IRQ

A13 GBE0_MDI0+ B13 SMB_CK C13 IDE_IORDY D13 IDE_A0

A14 GBE0_CTREF B14 SMB_DAT C14 IDE_IOR# D14 IDE_A1

A15 SUS_S3# B15 SMB_ALERT# C15 PCI_PME# D15 IDE_A2

A16 SATA0_TX+ B16 SATA1_TX+ C16 PCI_GNT2# D16 IDE_CS1#

A17 SATA0_TX- B17 SATA1_TX- C17 PCI_REQ2# D17 IDE_CS3#

A18 SUS_S4# B18 SUS_STAT# C18 PCI_GNT1# D18 IDE_RESET#

A19 SATA0_RX+ B19 SATA1_RX+ C19 PCI_REQ1# D19 PCI_GNT3#

A20 SATA0_RX- B20 SATA1_RX- C20 PCI_GNT0# D20 PCI_REQ3#

A21 GND (FIXED) B21 GND (FIXED) C21 GND (FIXED) D21 GND (FIXED)

A22 SATA2_TX+ B22 SATA3_TX+ C22 PCI_REQ0# D22 PCI_AD1

A23 SATA2_TX- B23 SATA3_TX- C23 PCI_RESET# D23 PCI_AD3

A24 SUS_S5# B24 PWR_OK C24 PCI_AD0 D24 PCI_AD5

A25 SATA2_RX+ B25 SATA3_RX+ C25 PCI_AD2 D25 PCI_AD7

A26 SATA2_RX- B26 SATA3_RX- C26 PCI_AD4 D26 PCI_C/BE0#

A27 BATLOW# B27 WDT C27 PCI_AD6 D27 PCI_AD9

A28 (S)ATA_ACT# B28 AC/HDA_SDIN2 C28 PCI_AD8 D28 PCI_AD11

A29 AC/HDA_SYNC B29 AC/HDA_SDIN1 C29 PCI_AD10 D29 PCI_AD13

A30 AC/HDA_RST# B30 AC/HDA_SDIN0 C30 PCI_AD12 D30 PCI_AD15

A31 GND (FIXED) B31 GND (FIXED) C31 GND (FIXED) D31 GND (FIXED)

A32 AC/HDA_BITCLK B32 SPKR C32 PCI_AD14 D32 PCI_PAR

A33 AC/HDA_SDOUT B33 I2C_CK C33 PCI_C/BE1# D33 PCI_SERR#

A34 BIOS_DIS0# B34 I2C_DAT C34 PCI_PERR# D34 PCI_STOP#

A35 THRMTRIP# B35 THRM# C35 PCI_LOCK# D35 PCI_TRDY#

A36 USB6- B36 USB7- C36 PCI_DEVSEL# D36 PCI_FRAME#

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 82 83

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