HP kp721av Manuale Utente

Table 7-7 lists the reference designators for LEDs, connectors, headers, and switches used on the 
system boards for systems covered in this guide. Unless otherwise indicated, components are 
used on all system boards.

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

SFF & CMT only

J21

PCI 2.3 connector

CMT only

J22

PCI 2.3 connector

CMT only

J31

PCIe x1 connector

SFF & CMT only

J32

PCIe x1 connector

SFF & CMT only

J41

PCIe x16 graphics connector 

SFF & CMT only

J42

PCIe x4 graphics (x16) connector 

SFF & CMT only

J50

Parallel port

SFF & CMT only

J68

Stacked keyboard, mouse PS/2 connectors

J69

VGA monitor DB-15 connector

J78

Stacked audio line-in, headphone/line-out 1/8” jacks

J103

DC input

USDT only

P1

Power supply connector

SFF & CMT only

P3

Vccp (PWRCPU) header 

P5

Control panel (power button, power LED) header

P6

Internal speaker header

P8

CPU fan header

P9

Chassis fan, primary, header

P10

Diskette drive connector

SFF & CMT only

P23

Front panel audio header

P24

Front panel USB header

P52

Serial port, secondary, header 

SFF & CMT only

P53

Serial port, primary connector

SFF & CMT only

P54

Serial port, primary header

SFF only

P60

SATA0 (controller 1, primary master) connector (dark blue)

P61

SATA1 (controller 1, secondary master) connector (white)

SFF & CMT only

P62

SATA2 (controller 1, primary slave) connector (light blue)

SFF & CMT only

P63

SATA3 (controller 1, secondary slave) connector (orange)

CMT only

P64

SATA4 / eSATA (controller 2, primary master) connector (black)

SFF & CMT only

P124

Hood lock header

SFF & CMT only

P125

Hood sense header

P126

Parallel port header

SFF and CMT only

P150

Media reader header

P151

Ready boost / dash NIC header