RAMAC disk

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  • Details
  • Description
Date Introduced
1956
Photographer
Richards, Mark
Dimensions
overall: 1/8 in x 24 in x 24 in
Manufacturer
International Business Machines Corporation (IBM)
Credit Line
Gift of Bob Erickson
Copyright Owner
© Mark Richards
Location
US
Keywords
hard disk
Object ID
102673055
Memory Type
Magnetic Disk
Memory Size
50 KB
Memory Width
6-bit + parity

This is one of 50 aluminum disks used in the RAMAC disk drive. A special coating allowed bits to be recorded as magnetized areas.