Internal Cabling Matrix

The table on the next page lists all Mac Pro internal cables that connect to the logic board and are not part of a larger subassembly. Following the table is a map of the logic board connector locations, which are listed in column 5 of the table.

Cable, Connector and Signal Matrix

CABLE DESCRIPTION

Service

LENGT

LENGT

MLB CONN

MLB

MLB CONN

CONNECTOR 2

CONNECTOR 3

CONNECTOR 4

CONNECTOR 5

POWER / SIGNALS CARRIED

(mm)

CONN

PN

H fin)

LOCATION

LABEL

DESCRIPTION

DESCRIPTION

DESCRIPTION

DESCRIPTION

DESCRIPTION

HDD SATA

Part of 922 7682

450

17.7

B-l

SATA

36-pin high-density

7-pin flat to HDD 1

7-pin flat to HDD 2

7-pin flat to HDD 3

7-pin flat to HDD 4

Serial ATA signals to/from all four HDDs and main loqic board

HDD Power

Part of 922 7682

442

17.4

A-l

HDD PWR

8-pin (2X4)

15-pin flat to HDD 1

15-pin flat to HDD 2

15-pin flat to HDD 3

15-pin flat to HDD 4

DC power to all four HDDs from main loqic board

HDD Thermal Sensor

922-7730

610

24.0

A-2

HDD SNS

4-pin flat (4X1)

7-pin flat to sensor bd underneath HDD 1

7-pin flat to sensor bd underneath HDD 2

7-pin flat to sensor bd underneath HDD 3

7-pin flat to sensor bd underneath HDD 4

Thermal sensor siqnals from sensors in all HDD bays to main loqic board

Optical Drive Power

922-7684

559

22.0

B-l

ODD PWR

4-pin square (2X2)

standard 4-pin (4x1) to upper ODD

standard 4-pin (4x1) to lower ODD

DC power to both optical drives from main loqic board

Optical Drive IDE

922-7686

586

23.1

D-l

OPTICAL

40-pin standard IDE (20X2)

Standard 40-pin IDE for lower ODD

Standard 40-pin IDE for upper ODD

IDE siqnals to/from all optical drives and main loqic board

Power Supply PS#1

922-7687

1170

46.1

K-6

none

Large 10-pin (5X2)

Large 10-pin (5x2) from PS labeled PS#1

DC power to main loqic board from power supply

Power Supply PS#2

922-7688

605

23.8

M

none

Large 10-pin (5X2)

Large 10-pin (5x2) from PS labeled PS#2

DC power to main loqic board From power supply

Power Supply PS#3

922-7689

370

14.6

B-l

none

Large 12-pin (6X2)

Large 12-pin (6x2) from PS labeled PS#3

DC power to main loqic board From power supply

Power Supply Control PS#4

922-7685

1160

45.7

K-6

none

Medium 10-pin (5X2)

Large 10-pin (5x2) from PS labeled PS#4

Power supply control siqnals to/from main loqic board

Front Panel Board Power

922-7690

860

33.9

K-7

FP MISC

Medium 8-pin (4X2)

Medium 8-pin (4x2) on top of FP bd

Power, power LED, power button, and control siqnals to the front panel board from the main loqic board

Front Panel Board Audio

922-7692

865

34.1

3-9

FP AUDIO

Small sideways 5-pin (5X1)

Small sideways 5-pin on top of FP bd

Audio siqnals to the front panel board from the main loqic board

Front Panel Board FireWire-800

922-7691

695

27.4

K-7

FP FWB

9-pin sideways standard FW800

9-pin sideways standard FW800 on bottom of FP bd

Standard FW800 9-pin to 9-pin cable to front panel board from main loqic board

Front Panel Board USB

922-7693

150

5.9

C-2

FP USB

Small 7-pin rt anqle (7X1)

Small 7-pin rt angle in middle of FP bd

USB 2.0 power and data to front panel board from main loqic board

Intake Ambient Temperature Sensor

922-7731

400

15.7

B-2

ODD SNS

Small 4-pin (4X1)

Small 7-pin on thermal sensor bd inside top of ODD bay

Thermal sensor siqnals from ODD bay ambient temp sensor to main loqic board

Cable Connector Locations

Use the diagram below to find the location of the internal cable connectors on the logic board.

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Responses

  • learco
    How to connect to internal power supply in mac pro?
    9 years ago

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