Skip site navigation (1)Skip section navigation (2)
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>

next in thread | raw e-mail | index | archive | help
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>



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199612280520.VAA28011>