Sony PCV-R558DS Manuel d'utilisateur télécharger pdf (Page 64)

VAIO Digital Studio Reference Manual

Connectors

Front Panel Header (J25)

The front panel header is a 20-pin header (1 pin is removed for the key)

that provides connections to various front panel functions. A 20-pin

connector with only eight wires is used to interface the system board to

the front panel.

Name Description

SPEAKER (not used)

PWR LED Connects to the power-on indicator light on the front panel

HD LED Connects to the hard disk drive access light on the front panel

SLEEP (not used)

PWR Connects to the power-on switch on the front panel

RESET (not used)

MSG LED Connects to the standby indicator light on the front panel.

KY0031.VSD

Front panel header

PWR

LED

RESET

MSG

LED

SPKR

(not used)

PWR

LED

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Sony PCV-R558DS Manuel d'utilisateur Page 64