Desktop computer having enhanced motherboard/riser card assembly

Details Desktop computer having enhanced motherboard/riser card assembly Desktop computer having enhanced motherboard/riser card assembly

1998-04-14

1999-10-05

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361788, 361785, 361796, 439 61, H05K 111, H01R 909

Patent

active

059634316

ABSTRACT:
A desktop computer system is provided in which a motherboard is mounted within a computer chassis atop a tray which is rearwardly slidable out of a rear wall opening in the chassis to provide access to the motherboard. I/O cables are coupled to I/O connectors mounted on a rear end edge of the motherboard, and a connector socket extending along a side edge portion of the motherboard removably receives a bottom side edge connector portion of a riser card which transversely projects upwardly from the motherboard. All cable connections from internal computer devices are made directly to the riser card instead of to the motherboard. Accordingly, all that is necessary to provide access to the motherboard is to upwardly unseat the riser card from the motherboard and then slide the motherboard, with the I/O cables still connected thereto, rearwardly out of the chassis on the tray. Using a single PHY host controller bus driver disposed on the riser card, the motherboard/riser card assembly economically provides support for multiple device bays within the computer.

REFERENCES:
patent: 5519573 (1996-05-01), Cobb et al.
patent: 5604871 (1997-02-01), Pecone
patent: 5717575 (1998-02-01), Copeland et al.
patent: 5793617 (1998-08-01), Dent

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