Re: Timer in DFly vs FBSD

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>]

:When I said second timer, this is infact the third timer of the i8254,
:since the enumeration starts at 0. Using the option TIMER_USE_1, you
:can switch the third timer and the second one, which allows you to
:reactive the PC-Speaker. That one is hardwired to the Timer 2 of the
:i8254. Isn't the IBM PC a wonderful hardware design? Just to complete
:the description, the Timer 1 of the i8254 has been used for DRAM
:refreshes in the early days [means 8086 & co.]. It should be unused
:today.
:
:Joerg

    Should be.  Unfortunately timer 1 appears to severely effect booting
    on some systems, including on my Amd64 based shuttles.  I have no idea
    why.  The chipset specs don't seem to talk about timer 1 much.

					-Matt
					Matthew Dillon 
					<dillon@xxxxxxxxxxxxx>