Word:

backside cache

(hardware, processor)backside cache - An implementation of secondary cache memory that allows it to be directly accessed by the CPU.

Backside cache is used by Apple Computers, Inc. in their PowerPC G3 processor. Previous PowerPC processors used the system bus to access both secondary cache and main memory. In the PowerPC G3 a dedicated bus handles only CPU/cache transactions. This bus can operate faster than the system bus thus improving the overall performance of the processor.

The term apparently derives from the relocation of the secondary cache from the motherboard to the processor card itself, i.e. on the backside of the processor card.
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backplane
backplate
Backrack
backrest
backroom
backroom boy
Backs
Backsaw
backscatter
backscratcher
backseat
backseat driver
Backset
Backsettler
Backsheesh
Backside
-- backside cache --
Backsight
backslap
backslapper
backslash
Backslide
Backslider
Backsliding
backspace
backspace character
backspace key
backspacer
backspin
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backstage
backstair
Backstairs
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