Sony PCV-R556DS Reference Manual - Page 64

Connectors, Front Panel Header (J25), the front panel.

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50 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. Front panel header MSG LED SPKR (not used) Name SPEAKER PWR LED HD LED SLEEP PWR RESET MSG LED PWR HD LED PWR RESET LED KY0031.VSD Description (not used) Connects to the power-on indicator light on the front panel Connects to the hard disk drive access light on the front panel (not used) Connects to the power-on switch on the front panel (not used) Connects to the standby indicator light on the front panel.

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VAIO Digital Studio Reference Manual
50
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
HD
LED
RESET
MSG
LED
SPKR
(not used)
PWR
LED