A cash memory 12 in a disk device 1 is constituted by a first cash memory 12a for holding predetermined data to be written in the storing medium 11, a second cash memory 12b for holding predetermined status read out from the storing medium 11 and a third cash memory 13 for holding predetermined data...http://www.google.com/patents/US20020169927?utm_source=gb-gplus-sharePatent US20020169927 - Disk device having cash memory
