Power and Signal Distribution

7.5Signal Distribution

Table 7-7 lists the reference designators for LEDs, connectors, indicators, and switches used on the system boards. Not all components will be present on all system boards.

 

Table 7-7.

System Board Connector, Indicator, and Switch Designations

 

 

DesignatorComponent function

CR1

+5 VDC LED

E1

Descriptor table override header

 

 

E14

SPI ROM boot block header

 

 

E49 / JP49

Password clear header / jumper

J9

Stacked RJ-45 & dual USB connectors

 

 

J10

Stacked quad USB connectors

 

 

J20

PCI 2.3 connector

J21

PCI 2.3 connector

 

 

J22

PCI 2.3 connector

 

 

J31

PCIe x1 connector

J32

PCIe x1 connector

 

 

J41

PCIe x16 graphics connector or MXM graphics slot

 

 

J42

PCIe x4 graphics (x16) connector

J50

Parallel port

 

 

J64

DisplayPort connector

 

 

J65

DVI connector

J66

Keyboard connector

 

 

J67

Mouse connector

 

 

J68

Stacked keyboard, mouse PS/2 connectors

J69

VGA monitor DB-15 connector

 

 

J70

Primary single USB

 

 

J71

Secondary single USB

J72

Microphone jack

 

 

J73

Line-In audio jack

 

 

J74

Line-out audio jack

J75

Headphone jack

 

 

J77

Double-stacked headphone/microphone audio jacks

 

 

J78

Double-stacked line-in, headphone/line-out audio jacks

J80

Stacked serial / audio

 

 

J81

Primary double USB

 

 

J82

Secondary double USB

J83

Triple-stacked audio

 

 

J103

DC input power

 

 

J105-107

PCIe Mini-Card

J151

Powered USB +12V

 

 

J152

Powered USB +24V

 

 

J200

Cash drawer connector

P1

Power supply header

 

 

P2

Power supply command/status header

 

 

P3

Power supply Vccp 12V header

P5

Control panel (power button, power LED) header

Technical Reference Guide

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7-9