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From: Robert Eckardt <roberte@mep.ruhr-uni-bochum.de>
Message-Id: <199705230948.LAA27196@beta.mep.ruhr-uni-bochum.de>
Subject: Re: SCSI tape config
In-Reply-To: <19970523095710.ST15762@uriah.heep.sax.de> from J Wunsch at "23. May. 97  9:56:38"
To: joerg_wunsch@uriah.heep.sax.de
Date: Fri, 23 May 1997 11:48:16 +0200 (MET DST)
Cc: hackers@FreeBSD.ORG
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As Joerg Wunsch wrote:
> As Michael Smith wrote:
[...]
> > > The drive itself should be QIC-02, so if you've got an interface card
> > > for this, you could use it directly with the wt(4) driver.
> > 
> > I actually recently scored one of these cards (an Archive SC400) and a
> > suitable drive; if someone has jumper docs on the card, I would be
> > happy to keep it for future driver testing if required...
> 
> Mine (donated to FreeBSD by Wilko Bulte) is working.  It has the
> following jumpers set:
> 
> CC and Y, between the QIL chip in the center and the 5 LEDs.
> KK at the bottom.
> 
> A6 and A9 at the address block, i think that's 0x240.
> IRQ 5, DRQ 1, and DACK 1 are obvious.
> 
> This should be all there is to be.

If the SC499 is meant the doc is as follows:
          ==

 +----------------------------------------------------------------------+
 |                                                                      | +--
 |              ..                                                      | |
 |             (1)        ..                                            | |
 |                        ## (2)                                        | |
 |                        ##                                            XXXX
 |                                        (3)                           XXXX
 |                                      #::::::                         XXXX
 |                                                                      XXXX
 |                                 (4)            (5)            (6)    XXXX
 |                                 #:::          :#::::         #::#::  XXXX
 +---------------------------------------------======================---+ |
                                               HHHHHHHHHHHHHHHHHHHHHH     |
                                                                          |
(1)  RR  Disable Ready Interrupt (##=Disable)
(2)  DD  Tape Speed (..=90ips (default), For Archive Use Only)
     CC  Tape Format (##=QIC-24, ..=QIC-11) (closed)
      Y  No. of Tracks (##=9tracks, ..=4 tracks) (closed)
(3)  A9    A8    A7    A6    A5    A4    A3      I/O Register Base
      +------- closed                         (selectable from 0 to 3F8)
(4)  KK    HH    FF    NN
      |     |     |     +--- ?
      |     |     +--------- Loop on Error (For Archive Use Only)
      |     +--------------- Test Conf. (For Archive Use Only)
      +--------------------- Test at power on (closed)

(5)  2  3  4  5  6  7      IRQ
        +--------------- default
(6)  1   2   3   1   2   3
     |   |   |   +---+---+---  DACK  (select in pair)
     +---+---+---------------  DRQ   (   "    "  "  )


Hope it helps,
Robert
> 
> -- 
> cheers, J"org
> 
> joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
> Never trust an operating system you don't have sources for. ;-)
> 


-- 
Dr. Robert Eckardt                                                 (
    Ruhr-Universitaet Bochum, Inst.f.Theor.Physik, NB6/169          )
    Universitaetsstrasse 150,   D-44780 Bochum,    Germany     ----X---8----
    Telefon: +49 234 700-3709,   Telefax: +49 234 7094-574             8
    E-Mail:  RobertE@MEP.Ruhr-Uni-Bochum.de                    --------8----
    URL:  http://WWW.MEP.Ruhr-Uni-Bochum.de/~roberte
>>> A magician never reveals his secret:  the unbelievable trick becomes <<<
>>>                             simple and obvious once it is explained. <<<