G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 13/40 (2006.01) H04B 3/36 (2006.01)
Patent
CA 2310886
Apparatus by which a maximum number (e.g. 16) of external high speed computer data storage devices (e.g. computer hard drives (4)) that are housed within portable carriers (3) can be efficiently connected to and simultaneously operated from the same low voltage differential (LVD) SCSI bus of a host computer by eliminating the adverse effects (e.g. parasitic capacitance, impedance mismatch and signal distortion) that occur as a consequence of the stub length that is required to couple a data storage device to its SCSI bus. A U-shaped receiving frame (1) is affixed to and enclosed by a chassis (50), and the portable carrier (3) in which the data storage device (4) is housed is slidably received in and removable from the receiving frame. An isolator board (25) carrying a repeater chip (30) is electrically connected between the SCSI bus and the data storage device (4) within the portable carrier (3). The repeater chip (30) receives the control and data signals from the host computer over the SCSI bus and repeats them with their original signal format and quality to the data storage device (4) so that the SCSI controller believes that the data storage device (4) is connected directly to the SCSI bus without interference from the cable stub length.
Kingston Technology Corporation
Kirby Eades Gale Baker
Storcase Technology Inc.
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