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Hardware Detail

Item Reference:
HW0146    
Machine Type:
5444
Serial Number:
  Dolphin - disk drive for System/3
  Dolphin was announced in September 1969 as a feature for the IBM System/3 computer (1969 - 1985).

Depending upon model the disk drive contained up to one fixed and one removable disk pack. The removable pack was designated IBM 5440 and contained a single platter. System/3 could be equipped with up to two 5444s, of which there were 3 models:

  • Model 1 has one fixed disk and one removable disk each with 100 tracks per surface for a disk cartridge capacity of 1.23 MB
  • Model 2 has one fixed disk and one removable disk each with 200 tracks per surface for a disk cartridge capacity of 2.46 MB
  • Model 3 has only one removable disk with 200 tracks per surface for a disk cartridge capacity of 2.46 MB
Date of Origin:
1969
Donor:

5444

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Location:
On Display - HLG03 Commissioned By: Museum Until: