From owner-freebsd-bugs Fri Dec 27 21:20:03 1996 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id VAA28023 for bugs-outgoing; Fri, 27 Dec 1996 21:20:03 -0800 (PST) Received: (from gnats@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id VAA28011; Fri, 27 Dec 1996 21:20:02 -0800 (PST) Date: Fri, 27 Dec 1996 21:20:02 -0800 (PST) Message-Id: <199612280520.VAA28011@freefall.freebsd.org> To: freebsd-bugs Cc: From: George Simunovich Subject: Re: kern/2270: Hayes ESP serial card locks system as of 12/01 ke Reply-To: George Simunovich Sender: owner-bugs@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk The following reply was made to PR kern/2270; it has been noted by GNATS. From: George Simunovich To: Bruce Evans 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