Sony PCV-R528DS - Manual (Page 64)

VAIO Digital Studio Reference Manual 56
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.
1 234
5
KY0031.VSD
Front panel header
PWR HD
LED
RESET
MSG
LED
SPKR
(not used)
PWR
LED