Fujitsu MHT2020AT - Page 17

Contents
C141-E192-01EN xiii
6.2 Power Save.............................................................................................. 6-7
6.2.1 Power save mode .................................................................................. 6-7
6.2.2 Power commands.................................................................................. 6-9
6.3 Defect Processing ................................................................................... 6-9
6.3.1 Spare area.............................................................................................. 6-9
6.3.2 Alternating processing for defective sectors ...................................... 6-10
6.4 Read-ahead Cache................................................................................. 6-12
6.4.1 DATA buffer structure ....................................................................... 6-12
6.4.2 Caching operation............................................................................... 6-13
6.4.3 Using the read segment buffer............................................................ 6-15
6.4.3.1 Miss-hit............................................................................................. 6-15
6.4.3.2 Sequential Hit ................................................................................... 6-16
6.4.3.3 Full hit............................................................................................... 6-17
6.4.3.4 Partial hit........................................................................................... 6-18
6.5 Write Cache .......................................................................................... 6-19
6.5.1 Cache operation .................................................................................. 6-19
Glossary............................................................................................................GL-1
Acronyms and Abbreviations ........................................................................ AB-1
Index ..................................................................................................................IN-1