AMD PCM-5862, Руководство пользователя, Страница: 27 / 99

Chapter 2 Installation 21
Speaker
The PCM-5862 can drive an 8
Ω
speaker at 0.5 watts. Ensure that
alternatives to this specification do not overload the card.
LED interface
The front panel LED indicator for hard disk access is an active low
signal (24 mA sink rate).
Watchdog output
When PCM-5862 watchdog timer times out, the front panel pin 6
will output an active low pulse signal (25mA sink rate for 1
second).
Reset switch
If you install a reset switch, it should be an open single pole
switch. Momentarily pressing the switch will activate a reset. The
switch should be rated for 10 mA, 5 V.
If you need to make your own cable, you can find the pin
assignments for the board’s connector in Appendix C.
Power connectors (CN6, CN10, CN14)
Peripheral power connector, -5V, -12V (CN10)
Supplies secondary power to devices that require -5 V and -12 V.
Main power connector, +5V, +12V (CN14)
Supplies main power to the PCM-5862 (+5 V) and devices that
r12 V.
Fan power supply connector (CN6)
Provides power supply to optional CPU cooling fan. Only present
when +5 V and +12 V power is supplied to the board.