Date: Fri, 27 Dec 1996 21:20:02 -0800 (PST) From: George Simunovich <george@cia-g.com> To: freebsd-bugs Subject: Re: kern/2270: Hayes ESP serial card locks system as of 12/01 ke Message-ID: <199612280520.VAA28011@freefall.freebsd.org>
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The following reply was made to PR kern/2270; it has been noted by GNATS. From: George Simunovich <george@cia-g.com> To: Bruce Evans <bde@zeta.org.au> Cc: freebsd-gnats-submit@freebsd.org Subject: Re: kern/2270: Hayes ESP serial card locks system as of 12/01 ke Date: Fri, 27 Dec 1996 21:54:20 -0700 (MST) On 28-Dec-96 Bruce Evans wrote: >Look at the magic outb for the ESP case near line 902. This sets the >FIFO_RCV_RST and FIFO_XMT_RST bits in combination with the FIFO_DMA_MODE >bit. I don't know what this does (I don't have any documentation about >the ESP). The author of the ESP changes said that the DMA bit doesn't >have anything to do with DMA. Apparently the reset bits aren't for reset >either. > >Bruce I have found some ESP docs at ftp://ftp.hayes.com/esp/esi.{doc,txt}. A choice of MS-WORD or badly formatted ascii. I glanced through it and noticed a lot of programming information. George ------------------------------------ George Simunovich <george@cia-g.com>
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