G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 33/00 (2006.01) G11B 20/18 (2006.01) G11B 25/04 (2006.01) G11B 33/08 (2006.01) G11B 33/14 (2006.01)
Patent
CA 2091082
ABSTRACT OF THE DISCLOSURE A multiple disk drive assembly in a 5 1/4 inch disk drive form factor having two 3 1/2 inch disk drive form factor head-disk assemblies (HDA) internally mounted on a rigid frame and accessible via a common industry-standard interface connector is provided. Both the interface and power connectors and the frame mounting hole patterns are industry standard to provide interchangeability with 5 1/4 inch form factor disk drives provided by manufacturers for use in computer systems. A single electronics controller board is shared by both HDAs and is mounted on the bottom side of the frame below the HDAs. The controller board may implement SCSI or IPI interfaces in either differential or single-ended versions. A spring vibration damper is utilized to minimize external vibration and shock effects on the HDAs and also to minimize the effects of vibration internally generated by one HDA on the adjacent HDA. The assembly is fully enclosed with metal top and bottom covers to provide separate enclosures for the HDAs and the controller board cooling and to provide EMC and RFI protection.
Hatchett Michael R.
Heath John S.
Lee Hubert C.
Row Eun K.
Spencer Roger D.
International Business Machines Corporation
Saunders Raymond H.
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