RA90
The RA90 disk drive was the first Digital Equipment Corporation drive to be based on "thin film" technology. Prior to the RA90 all Digital disk drives used "oxide" disks, which were an aluminum disk coated with a polyurethane binder resin containing gamma ferric oxide particles as the recording medium. The 1988-released RA90, which held 1.2GB, was used with controllers implementing the Mass Storage Control Protocol.
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RA90
The RA90 disk drive was the first Digital Equipment Corporation drive to be based on "thin film" technology. Prior to the RA90 all Digital disk drives used "oxide" disks, which were an aluminum disk coated with a polyurethane binder resin containing gamma ferric oxide particles as the recording medium. The 1988-released RA90, which held 1.2GB, was used with controllers implementing the Mass Storage Control Protocol.
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The RA90 disk drive was the fi ...... Mass Storage Control Protocol.
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The RA90 disk drive was the fi ...... Mass Storage Control Protocol.
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RA90
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