IBM DTCA-24090 Hard Drive Specifications - Page 186

14.2 SET FEATURES Command Support Coverage The following table is provided to facilitate the understanding of DTCA-2xxxx "Set Features" command support coverage comparing to the ATA-3 defined command set. The column of 'Implementation' shows the capability of DTCA-2xxxx for those commands. For detail operation, refer to 12.26, "Set Features (EFh)" on page 138. Features Features Register Name 01h 02h 03h 04h 05h 33h 44h 54h 55h 66h 77h 81h 82h 84h 85h 88h 99h 9Ah AAh ABh BBh CCh others Enable 8 bit data transfers Enable write cache Set transfer mode Enable all auto reassignment Enable Adaptive mode Disable retry Set vendor specific bytes ECC Set cache segments Disable read look ahead feature Disable reverting to power on defaults Disable ECC Disable 8 bit data transfers Disable write cache Disable all auto reassignment Disable Adaptive mode Enable ECC Enable retries Set device maximum average current Enable read look ahead feature Set maximum prefetch Set 4 bytes ECC Enable reverting to power on defaults Reserved Implementation ATA 3 Categoly for DTCA 2XXXX No Yes Yes No Yes No Yes No Yes Yes No No Yes No Yes No No No Yes No Yes Yes Reserved Optional Vendor specific Optional Vendor specific Optional Vendor specific Optional Vendor specific Optional Optional Vendor specific Optional Vendor specific Vendor specific Optional Vendor specific Vendor specific Optional Optional Vendor specific Optional Optional Reserved Figure 113. SET FEATURES Command coverage 178 OEM Specifications of DTCA-2xxxx 2.5 inch H D D