Stacked card address assignment

Details Stacked card address assignment Stacked card address assignment

2006-09-25

2010-11-23

Rinehart, Mark (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

System configuring

C370S255000, C370S390000, C257S686000, C361S790000, C709S245000

Reexamination Certificate

active

07840732

ABSTRACT:
Stacking of electronics modules, boards or cards, hereinafter referred to as cards is described. Each card in a stack is connected logically to a host via a single physical bus slot, and can detect its relative position in the stack on initial power on and make use of that information to grab an appropriate resource pool. In one embodiment, a top most card is used as a reference and the rest of the cards in the stack derive a relative address with respect to the top most card. A few lines are dedicated between neighboring cards through which the cards can share their relative address information with succeeding cards and automate resource allocation based on the address information.

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