Thursday, December 15, 2011

Can you identify this

This is a hard disk made by IBM in 1956. Its Capacity just 5MB.

IBM 305 disk storage unit

In September 1956 IBM launched the 305 RAMAC, the  first SUPER COMPUTER with a hard disk drive (HDD). The HDD weighed over a tonne and stored 5 MB of data.

Introduced in 1956, the IBM 305 RAMAC (Random Access Memory Accounting System) was an electronic general purpose data processing machine that maintained business records on a real-time basis. The 305 RAMAC was one of the last vacuum tube systems designed by IBM.

System Unit

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