Seagate ST225 20MB 5.25\" Vintage MFM Hard Drive - WORKING PULL - NO RESERVE For Sale
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Seagate ST225 20MB 5.25\" Vintage MFM Hard Drive - WORKING PULL - NO RESERVE
Price: US $17.50
Vintage Seagate ST225 20MB 5.25\"Half Height MFM Hard Drive.
Working pull - Powers up and spins fine but otherwise untested.
Key Features:
ST - 225 UNFORMATTED CAPACITY (MB) ________________25.6 FORMATTED CAPACITY (17 SECTORS) (MB) _____21.4 ACTUATOR TYPE ____________________________STEPPER TRACKS CYLINDERS ________________________________615 HEADS ____________________________________4 DISCS ____________________________________2 MEDIA TYPE _______________________________OXIDE RECORDING METHOD _________________________MFM TRANSFER RATE (mbits/sec) ________________5.0 SPINDLE SPEED (RPM) ______________________3,600 AVERAGE LATENCY (mSEC) ___________________8.3 INTERFACE ________________________________ST412 SECTORS PER DRIVE ________________________41,820 TPI (TRACKS PER INCH) ____________________588 BPI (BITS PER INCH) ______________________9,827 AVERAGE ACCESS (ms) ______________________65 SINGLE TRACK SEEK (ms) ___________________20 MAX FULL SEEK (ms) _______________________150 MTBF (power-on hours) ____________________100,000 POWER REQUIREMENTS: +12V START-UP (amps) _2.4 +12V TYPICAL (amps) __0.9 +5V TYPICAL (amps) ___0.8 TYPICAL (watts) ______14.8 MAXIMUM (watts) ______33 BUFFERED STEP PULSE RATE (micro sec) _____5-200 WRITE PRECOMP (cyl) ______________________300 REDUCED WRITE CURRENT (cyl) ______________N/A (616) LANDING ZONE (cyl)________________________670 IBM AT DRIVE TYPE ________________________2
The picture above is of the actual drive you are offerding on!
![Seagate ST225 20MB 5.25\](img-large/g/L0oAAOSwUCZayWgJ/s-l1600/Seagate-ST225-20MB-5-25-Vintage-MFM-Hard-Drive-WOR.jpg "Seagate ST225 20MB 5.25\")
