Interchangeable extension board disk array system

Details Interchangeable extension board disk array system Interchangeable extension board disk array system

1994-07-25

1996-06-25

Harvey, Jack B.

395404, 395284, 395281, G06F 1100

Patent

active

055308317

ABSTRACT:
A disk array system in which the disk array control mode can be switched to a higher-performance mode easily by exchanging extension boards. An IF board is parallel-connected to disk devices through signal lines. Several types of extension boards each having a controller in accordance with the access control mode are prepared so that one of the extension boards is connected to the IF board through a connector formed as a set of one internal bus connector, a plurality of SCSI connectors and extension board type identification pins. As a result, it is not necessary for a user to alter the connection of disk drives and to switch control software on the host computer, so that the disk array control mode can be changed to a higher-performance mode easily only by exchanging the board.

REFERENCES:
patent: 4870643 (1989-09-01), Bultman et al.
patent: 5148432 (1992-09-01), Gordon et al.

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