Chapter 3 – DFI HM920-HM86 User Manual

Page 20

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Chapter 3 Hardware Installation

20

Chapter 3

Signal

Pin#

Module Pin Type Pwr Rail /Tolerance

HM920

Carrier Board

Description

EXCD0_CPPE#

A49

PU 10k to 3.3V

EXCD1_CPPE#

B48

PU 10k to 3.3V

EXCD0_PERST#

A48

EXCD1_PERST#

B47

Signal

Pin#

Module Pin Type Pwr Rail /Tolerance

HM920

Carrier Board

Description

PCI_AD0

C24

PCI_AD1

D22

PCI_AD2

C25

PCI_AD3

D23

PCI_AD4

C26

PCI_AD5

D24

PCI_AD6

C27

PCI_AD7

D25

PCI_AD8

C28

PCI_AD9

D27

PCI_AD10

C29

PCI_AD11

D28

PCI_AD12

C30

PCI_AD13

D29

PCI_AD14

C32

PCI_AD15

D30

PCI_AD16

D37

PCI_AD17

C39

PCI_AD18

D38

PCI_AD19

C40

PCI_AD20

D39

PCI_AD21

C42

PCI_AD22

D40

PCI_AD23

C43

PCI_AD24

D42

PCI_AD25

C45

PCI_AD26

D43

PCI_AD27

C46

PCI_AD28

D44

PCI_AD29

C47

PCI_AD30

D45

PCI_AD31

C48

PCI_CBE0-

D26

PCI_CBE1-

C33

PCI_CBE2-

C38

PCI_DEVSEL#

C36

I/O CMOS

3.3V / 5V

PU 8.2K TO 3.3V

PCI bus Device Select, active low.

PCI_FRAME#

D36

I/O CMOS

3.3V / 5V

PU 8.2K TO 3.3V

PCI bus Frame control line, active low.

PCI_IRDY#

C37

I/O CMOS

3.3V / 5V

PU 8.2K TO 3.3V

PCI bus Initiator Ready control line, active low.

PCI_TRDY#

D35

I/O CMOS

3.3V / 5V

PU 8.2K TO 3.3V

PCI bus Target Ready control line, active low.

PCI_STOP#

D34

I/O CMOS

3.3V / 5V

PU 8.2K TO 3.3V

PCI bus STOP control line, active low, driven by cycle initiator.

PCI_PAR

D32

I/O CMOS

3.3V / 5V

PCI bus parity

PCI_PERR#

C34

I/O CMOS

3.3V / 5V

PU 8.2K TO 3.3V

Parity Error: An external PCI device drives PERR# when it receives data that has a parity error.

PCI_REQ0-

C22

PCI_REQ1-

C19

PCI_REQ2-

C17

PCI_REQ3-

D20

P_GNT_0-

C20

P_GNT_1-

C18

P_GNT_2-

C16

P_GNT_3-

D19

PCI_RESET#

C23

O CMOS

3.3V Suspend/ 5V

PCI Reset output, active low.

PCI_LOCK#

C35

I/O CMOS

3.3V / 5V

PU 8.2K TO 3.3V

PCI Lock control line, active low.

PCI_SERR#

D33

I/O OD CMOS

3.3V / 5V

PU 8.2K TO 3.3V

System Error: SERR# may be pulsed active by any PCI device that
detects a system error condition.

PCI_PME#

C15

I CMOS

3.3V Suspend/ 5V

PU 10K TO 3.3VSB

PCI Power Management Event: PCI peripherals drive PME# to wake system from low-power states S1–S5.

PCI_CLKRUN#

D48

I/O CMOS

3.3V / 5V

PU 8.2K TO 3.3V

Bidirectional pin used to support PCI clock run protocol for mobile systems.

PCI_IRQA#

C49

PCI_IRQB#

C50

PCI_IRQC#

D46

PCI_IRQD#

D47

PCI_CLK

D50

O CMOS

3.3V / 3.3V

PCI 33MHz clock output.

PCI_M66EN

D49

I CMOS

3.3V / 5V

Module input signal indicates whether an off-Module PCI device is capable of 66MHz operation. Pulled to
GND by Carrier Board device or by Slot Card if the devices are NOT capable of 66 MHz operation.
If the Module is not capable of supporting 66 MHz PCI operation, this input may be a no-connect on the
Module.
If the Module is capable of supporting 66 MHz PCI operation, and if this input is held low by the Carrier

ȟ

ȟ
ȟ
ȟ

PCI Signals Descriptions

O CMOS

3.3V /3.3V

PCI ExpressCard: reset, active low, one per card

ExpressCard Signals Descriptions

I CMOS

3.3V /3.3V

PCI ExpressCard: PCI Express capable card request, active low, one per
card

I/O CMOS

3.3V /5V

PCI bus multiplexed address and data lines

I/O CMOS

3.3V /5V

PCI bus byte enable lines, active low

PCI bus master request input lines, active low.

PCI bus master grant output lines, active low.

PCI interrupt request lines.

I CMOS

3.3V / 5V

PU 8.2K TO 3.3V

O CMOS

3.3V / 5V

I CMOS

3.3V / 5V

PU 8.2K TO 3.3V

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