Jonathan Gray <[email protected]> wrote: >> What difference does it make? We don't use counter 1. > > The PCH datasheets from 100 series and later only document counter 0 > and counter 2. > > 9 series and earlier datasheet has > "The PCH contains three counters that have fixed uses." > 100 series and later > "The PCH contains two counters that have fixed uses."
In other words: Since that counter was previously used for a well-defined purpose but then stopped being used for that case, there may be chipset vendors who decided to REMOVE or BREAK the hardware... I think you can assume nothing about it. This question can only be answered by finding a body of code which reliably uses it.
