Quantum FIREBALL PLUS AS 10.2 - Page 5

Table of Contents
Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT v
Chapter 6
ATA BUS INTERFACE AND ATA COMMANDS 6-1
6.1 INTRODUCTION....................................................................................................... 6-1
6.2 SOFTWARE INTERFACE.......................................................................................... 6-1
6.3 MECHANICAL DESCRIPTION................................................................................ 6-1
6.3.1 Drive Cable and Connector ................................................................................ 6-1
6.4 ELECTRICAL INTERFACE ....................................................................................... 6-1
6.4.1 ATA Bus Interface .............................................................................................. 6-1
6.4.2 Host Interface Timing ........................................................................................ 6-9
6.5 REGISTER ADDRESS DECODING ....................................................................... 6-21
6.6 REGISTER DESCRIPTIONS................................................................................... 6-22
6.6.1 Control Block Registers .................................................................................... 6-22
6.6.2 Command Block Registers ............................................................................... 6-24
6.7 COMMAND DESCRIPTIONS................................................................................. 6-29
6.7.1 Recalibrate ........................................................................................................ 6-29
6.7.2 Read Sectors ..................................................................................................... 6-30
6.7.3 Write Sectors .................................................................................................... 6-31
6.7.4 Read Verify Sectors .......................................................................................... 6-32
6.7.5 Seek .................................................................................................................. 6-33
6.7.6 Execute Drive Diagnostics ............................................................................... 6-34
6.7.7 INITIALIZE DRIVE PARAMETERS .............................................................. 6-36
6.7.8 Download Microcode ....................................................................................... 6-37
6.7.9 SMART ............................................................................................................. 6-38
6.7.10 Read Multiple Sectors ...................................................................................... 6-48
6.7.11 Write Multiple Sectors ..................................................................................... 6-49
6.7.12 Set Multiple Mode ........................................................................................... 6-50
6.7.13 Read DMA ....................................................................................................... 6-51
6.7.14 Write DMA ....................................................................................................... 6-52
6.7.15 STANDBY IMMEDIATE ................................................................................ 6-54
6.7.16 IDLE IMMEDIATE ......................................................................................... 6-55
6.7.17 STANDBY ....................................................................................................... 6-56
6.7.18 IDLE ................................................................................................................. 6-57
6.7.19 READ BUFFER ................................................................................................ 6-58
6.7.20 CHECK POWER MODE ................................................................................. 6-59
6.7.21 SLEEP .............................................................................................................. 6-60
6.7.22 FLUSH CACHE ............................................................................................... 6-61
6.7.23 WRITE BUFFER .............................................................................................. 6-62
6.7.24 IDENTIFY DRIVE ........................................................................................... 6-63
6.7.25 Set Features EFh .............................................................................................. 6-71
6.7.26 Set Features (Ultra ATA/100) ......................................................................... 6-71
6.7.27 Read Defect List ............................................................................................... 6-72
6.7.28 Configuration ................................................................................................... 6-75
6.7.29 Host Protected Mode Feature .......................................................................... 6-79
6.8 ERROR REPORTING............................................................................................... 6-86