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Article #108

Re: Two Hard Drives on Z-241?

#108
From: Randy Seynaeve
Date: Wed, 06 Dec 1989 18:49
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> I don't have a 241, but I ran into a problem when adding a 4038 to
> my Z-100.  If both drives work fine by themselves, I suspect that
> you have to change a jumper that tells the drive which unit it 
> is.  Probably, both are set to  "0" since they each work fine alone.
> Set the jumper for the new drive to the "1" position.  Use SETUP
> to tell the 241 what drive is there.

> My 4038 didn't come with documentation on this.  As I recall, the 
> jumpers are near the bottom on the rear of the drive.  There is 
> a set of 4 pairs of jumpers.  Probably, the jumper is on an end
> pair (0); try moving it over to the next pair.

The documentation that came with the system said that both hard drives
need their jumpers set to device select 2 (third position).  The
twist in the 34 wire flat cable decodes which control signal goes
to which drive.

The documentation also didn't mention anything about removing resistor
packs.  Does anybody know if this is necessary?  The doc says something
about removing the pack when adding a second floppy, but nothing about 
what to do on a second hard drive.
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Message-ID: <3520006@hpspcoi.HP.COM>
Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!ucbvax!hplabs!hpda!hpcuhc!hpspcoi!randy
References: <3520003@hpspcoi.HP.COM>

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From: randy@hpspcoi.HP.COM (Randy Seynaeve)
Newsgroups: comp.sys.zenith
Subject: Re: Two Hard Drives on Z-241?
Message-ID: <3520006@hpspcoi.HP.COM>
Date: 6 Dec 89 18:49:26 GMT
References: <3520003@hpspcoi.HP.COM>
Organization: HP PCG, Sunnyvale CA
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