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Cracking Open a Seagate 50 MB RLL drive

by Cara Reynolds | 01-28-08

Tags: TechRepublic Inc., Seagate Technology LLC, Cara Reynolds, cracking open, geekend

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Seagate ST-250R

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By Drew McBee

Here we have our Seagate ST-250R and old RLL HDD that sports a 50M unformatted and a 42M formatted capacity. I believe you would use an MFM controller for this. I actually used it in a 286 running IBM-DOS back in the day.

I did power it up and it seems to run properly. Nice to know that before I crack it open.

                                                                                                             

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Motor, controller tradergeorge | 02/04/08
Controller zach@... | 02/06/08
RLL vs. MFM tdeger@... | 02/06/08
Depends on the controller pgm554 | 02/06/08
Close willcomp | 02/06/08
Good old ST-225s techr@... | 03/31/08
Debug commands mpatchett@... | 04/08/08
RLL vs. MFM bill.wynne@... | 02/06/08
first of the self parking heads steve.weber.ctr@... | 02/06/08
ST-250R, one of my least favorites pjrobertz@... | 02/06/08
Why to collect vintage hard drives Roc Riz | 02/11/08
Why collect vintage stuff t.rohner@... | 02/12/08
mfm-rll straightlineeng@... | 03/28/08
100% right zach@... | 02/07/08
Sectors per track jpittman@... | 02/07/08
Parking was just a good thing to do techr@... | 03/31/08
Ah memories! Andrew.Browning@... | 04/17/08
Nice! seanferd | 02/06/08
Hand model indeed drew.mcbee@... | 02/08/08
Motors from drive burtoni | 02/07/08
Price tedede | 03/12/08
Lucky! Andrew.Browning@... | 04/17/08
Stepper Motor? dazzled and dazed | 04/03/08
Old stuff wecoverla@... | 04/18/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 MB RLL drive) Lost Cause? | 02/04/08
ran drew.mcbee@... | 02/08/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 MB RLL drive) mjd420nova | 02/04/08
... still had one of these still floating around... TobyLopez@... | 02/06/08
clock drew.mcbee@... | 02/08/08
Clock meski.oz@... | 02/13/08
Best of Luck triso | 03/25/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 Douglas Evans | 02/06/08
Deity in engineering BALTHOR | 02/06/08
Precision bit placement accuracy... techr@... | 03/31/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 iansavell@... | 02/06/08
Cobalt? cescobar@... | 02/06/08
No, but I'm wrong anyway iansavell@... | 02/07/08
Floor spin it pjrobertz@... | 02/07/08
Marvels Mystery Oil techr@... | 03/31/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 MB RLL drive) a-hi@... | 02/06/08
Regarding the head positioning sidco95@... | 02/06/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 VPedersen | 02/06/08
the 'shim' band meski.oz@... | 02/07/08
5.25 drew.mcbee@... | 02/08/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 jcmussio@... | 02/06/08
Actuator Motor Type t.rohner@... | 02/07/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 MB RLL drive) byee40d@... | 02/07/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 MB RLL drive) jmreilly@... | 02/07/08
Old CDC drive burtoni | 02/07/08
Ahhh... the good old times pepoluan | 02/07/08
The good old times misceng | 02/08/08
Timex drew.mcbee@... | 02/08/08
RLL jbarbalace0@... | 03/16/08
A useful skill... Andrew.Browning@... | 04/17/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 keith_deininger2@... | 02/09/08
50 MB in a '286???? Zenith545 | 02/10/08
Maybe it was a upgrade t.rohner@... | 02/11/08
60mb in a 286 tony556 | 02/17/08
Resurrected 286 with a 2.1 GB hard drive! nix_hed | 03/17/08
10MB was hog heaven Prague | 04/16/08
16k 8" Floppy - Now that was really heaven... frankbicknell@... | 04/21/08
Dredging up now useless info rickydoo | 02/10/08
Greetings from a ST238R V.P. Engineering, Thailand dogmas47xxy@... | 02/27/08
Thanks for the clarification pjrobertz@... | 02/28/08
Wow thanks for triggering some old memories rhidir2@... | 03/19/08
Error list on top. Narg | 03/14/08
RE: The Seagate 50 MB RLL drive, cracked open (Cracking Open a Seagate 50 pholtorf@... | 03/14/08
Killing drives was fun in those days! agulesin@... | 04/01/08

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