Hi,
Just wondering if anyone knows what the Real Time Clock (IRQ8) is used for. Also, how do I set it up?
Real Time Clock
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Re:Real Time Clock
isn't this the interrupt that is triggered when the real time alarm is reached ??
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K.J.
Re:Real Time Clock
The joys of setting up the somewhat poorly documented realtime clock.... This is doc that I used:
http://www.nondot.org/sabre/os/files/Mi ... ockFAQ.txt
The one thing that none of the RTC docs seem to tell you is that whenever u get a RTC interrupt you must outport(0x70, 0x0c) then inport(0x71). If you don't, the RTC won't send any more interrupts(thanks go to Chris Giese for telling me that for my RTC functions).
K.J.
http://www.nondot.org/sabre/os/files/Mi ... ockFAQ.txt
The one thing that none of the RTC docs seem to tell you is that whenever u get a RTC interrupt you must outport(0x70, 0x0c) then inport(0x71). If you don't, the RTC won't send any more interrupts(thanks go to Chris Giese for telling me that for my RTC functions).
K.J.