IBM DTTA-351010 Hard Drive Specifications - Page 183

14.2 SET FEATURES Command Support Coverage Following table is provided to facilitate the understanding of DTTA-3xxxxx "Set Features" command support coverage comparing to the ATA/ATAPI-4 defined command set. The column of 'Implementation' shows the capability of DTTA-3xxxxx for those commands. For detail operation, refer to 12.27, "Set Features (EFh)" on page 141. Features Features Register Name 01h 02h 03h 04h 05h 31h 33h 44h 54h 55h 5Dh 5Eh 66h 77h 81h 82h 84h 85h 88h 95h 99h 9Ah AAh ABh BBh CCh DDh DEh others Enable 8 bit data transfers Enable write cache Set transfer mode Enable all auto reassignment Enable advanced power management Disable Media Status Notification Disable retry Set vendor specific bytes ECC Set cache segments Disable read look ahead feature Enable release interrupt Enable SERVICE interrupt Disable reverting to power on defaults Disable ECC Disable 8 bit data transfers Disable write cache Disable all auto reassignment Disable advanced power management Enable ECC Enable Media Status Notification 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 Disable release interrupt Disable SERVICE interrupt Reserved Implementation ATA 4 Command for DTTA 3XXXXX Type No Yes Yes No No No No Yes No Yes Yes No Yes No No Yes No No No No No No Yes No Yes Yes Yes No Reserved Retired Mandatory Mandatory Obsolete Optional Optional Obsolete Obsolete Obsolete Optional Optional Optional Optional Obsolete Retired Mandatory Obsolete Optional Obsolete Optional Obsolete Obsolete Optional Obsolete Obsolete Optional Optional Optional Reserved Figure 132. SET FEATURES Command coverage Appendix 175