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Seagate ST351A/X jumper settings

GottaLottaStuff

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Apr 6, 2011
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I have a Seagate ST351A/X from a dead Tandy 1000 RLX. I want to put it in a P4 and see if it works and image it if it does. I can find a dozen versions of the jumper settings to put it in AT mode, but they all have options for "bus reset high" and "bus reset low". Any ideas on what this should be? I don't want to damage it.
 

SpidersWeb

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Feb 16, 2012
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Looking at Seagate's pinout for AT IDE, Reset is Active Low, so I'd expect "Bus Reset Low" would be the winner. Perhaps someone else can confirm.
I don't see it as being a drive damaging condition if it was set incorrectly.

Side note though, these drives have multiple translation options, so if it has trouble reading on the Pentium - try one of the other configurations.
I've had that with Conner drives before, work in one machine, then move them to another with auto-detect and snap! Missing operating system.

Possible translation: 733 cyl, 7 heads, 17 sectors = 44,660,224
Possible translation: 1024 cyl, 5 heads, 17 sectors = 44,564,480

(You might already know this, but meh, just in case)
 

GottaLottaStuff

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"Bus reset low" works. After about six tries it recognizes the drive and I made an image with Norton Ghost. DOS, Deskmate, and a few games. (Harlem Globetrotters Basketball, woo hoo!)
 
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