Seagate ST-506 DIP switch settings needed

From: Jason Willgruber <>
Date: Mon Dec 28 03:28:08 1998

O.K. I already LLF'ed it, but that was with the wrong jumper settings, so
it probably didn't do much good. I'll just have to find another 360k disk
somewhere to copy DEBUG off of my 5170.

                 -Jason Willgruber
                  ICQ#: 1730318
-----Original Message-----
From: Don Maslin <>
To: Discussion re-collecting of classic computers
Date: Sunday, December 27, 1998 10:29 PM
Subject: Re: Seagate ST-506 DIP switch settings needed
>Probably no great point in that.  FDISK cannot usually see an ST-506/412
>interface HD that has not been low level formatted on the controller in
>use at the time. Set the switch for the appropriate cable, and power up
>the computer.  Bring up DEBUG and at the '-' prompt, enter DC800:0<CR>.
>If you see ASCII text that indicates that you are looking at a WD
>controller, then enter G=C800:5 and follow the prompts to low level
>format the disk.  If this is successful - if the disk is good - then
>FDISK should see it on the next bootup and you can go on from there.
>If it is not successful, you probably have a bad HD.  Also, if your
>DC800:0 search does not yield ASCII, try other addresses in 200H
>increments.  That is, such as CA00:0, CC00:0, etc.
> - don
Received on Mon Dec 28 1998 - 03:28:08 GMT

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