Patent ID: 7684208

Claim:
An apparatus, comprising: a system chassis having a plurality of chassis bays, wherein each chassis bay is configured for selectively securing a blade; an adapter blade configured to be selectively secured within any of the plurality of chassis bays, wherein the adapter blade includes a plurality of adapter bays, and wherein each adapter bay is configured for selectively securing a compact blade; and a blade latch for selectively releasing the adapter blade from the chassis bay, wherein the presence of a compact blade enclosure within any of the plurality of adapter bays of the adapter blade prevents the latch from being operable to release the adapter blade, wherein the blade latch includes a lever pivotally secured to the adapter blade for engaging a mating latch element on the system chassis, and wherein some portion of the lever must enter into an empty adapter bay in order for the lever to release from the mating latch element so that the adapter blade can be removed from the chassis bay.