Hitachi DK23EA Specifications - Page 41

Word Table 6.5 Identify Device Information (Continued) Description 85 Command set/feature enabled 0000h or FFFFh = Command set notification not supported Bit 15 0 = Reserved Bit 14 1 = NOP command supported Bit 13 1 = READ BUFFER command supported Bit 12 1 = WRITE BUFFER command supported Bit 11 0 = Reserved Bit 10 1 = Host Protected Area feature set supported Bit 9 1 = DEVICE RESET command supported Bit 8 1 = SERVICE interrupt enabled Bit 7 1 = Release interrupt enabled Bit 6 1 = Look-ahead enabled If word 85 bit 6 is set to one, read look-ahead has been enabled via SET FEATURE command. Bit 5 1 = Write cache enabled If word 85 bit 5 is set to one, write cache has been enabled via SET FEATURE command. Bit 4 1 = Supports PACKET command feature set Bit 3 1 = Supports power management feature set Bit 2 1 = Supports removable feature set Bit 1 1 = Supports Security Mode feature enabled If word 85 bit 1 is set to one, the Security Mode feature has been enabled via SECURITY SET PASSWORD command. Bit 0 1 = Supports SMART feature enabled If word 85 bit 0 is set to one, the SMART feature set has been enabled via SMART ENABLE OPERATIONS command. 86 Command set/feature enabled 0000h or FFFFh = Command set notification not supported Bit 15 -9 0 = Reserved Bit 8 1 = SET MAX security extension enabled by SET MAX PASSWORD Bit 7 1 = Address offset mode feature enabled Bit 6 1 = SET FEATURES subcommand required to spin-up after power-up Bit 5 1 = Power-up in standby feature set enabled Bit 4 1 = Removable Media Status Notification feature set enabled Bit 3 1 = Advanced Power Management feature set enabled Bit 2 1 = CFA feature set supported Bit 1 1 = READ/WRITE DMA QUEUED supported Bit 0 1 = DOWNLOAD MICROCODE command supported 87 Command set/feature default 0000h or FFFFh = Command set notification not supported Bit 15 0 (fixed) Bit 14 1 (fixed) Bit 13 - 0 0 = Reserved Value (HEX.) 3468h (at shipment) 0008h 4000h K6602637 Rev.3 02.27.01 - 41 -