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Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT vii
5.2.6 Servo Processor ................................................................................................ 5-8
5.2.7 Read/Write Interface .......................................................................................5-8
5.2.8 ATA Interface Controller ................................................................................. 5-8
5.2.9 Motor Controller ............................................................................................. 5-8
5.3 Read/Write ASIC..................................................................................................... 5-8
5.3.1 Pre-Compensator ............................................................................................. 5-9
5.3.2 Variable Gain Amplifier (VGA) ........................................................................ 5-9
5.3.3 Butterworth Filter ............................................................................................ 5-9
5.3.4 FIR (Finite Impulse Response) Filter ................................................................ 5-9
5.3.5 Flash A/D Converter ........................................................................................5-9
5.3.6 Viterbi Detector ............................................................................................... 5-9
5.3.7 ENDEC ........................................................................................................... 5-9
5.3.8 Servo Processor ................................................................................................ 5-9
5.3.9 Clock Synthesizer ............................................................................................. 5-9
5.3.10 PLL .................................................................................................................. 5-9
5.3.11 Serial Interface ................................................................................................ 5-10
5.3.12 TA Detection and Correction ......................................................................... 5-10
5.3.13 PreAmplifier and Write Driver ....................................................................... 5-10
5.4 FIRMWARE FEATURES..................................................................................... 5-10
5.4.1 Disk Caching .................................................................................................. 5-10
5.4.2 Head and Cylinder Skewing ........................................................................... 5-12
5.4.3 Error Detection and Correction ...................................................................... 5-14
6.1 INTRODUCTION ................................................................................................. 6-1
6.2 MECHANICAL INTERFACE ................................................................................ 6-1
6.2.1 Signal Cable and Connector .............................................................................6-1
6.3 ELECTRICAL INTERFACE .................................................................................. 6-1
6.3.1 ATA Bus Interface ............................................................................................ 6-1
6.4 REGISTER ADDRESS DECODING ..................................................................... 6-2
6.5 COMMAND INTERFACE..................................................................................... 6-2
6.5.1 General Feature Set .......................................................................................... 6-2
6.5.2 Multiword DMA .............................................................................................. 6-3
6.5.3 Ultra DMA Feature Set .................................................................................... 6-3
6.5.4 Power Management Feature Set ....................................................................... 6-3
6.5.5 Security Mode Feature Set ................................................................................ 6-4
6.5.6 Self-monitoring, Analysis, and Reporting (SMART) Feature Set ...................... 6-4
6.5.7 Host Protected Area Feature Set ....................................................................... 6-4
6.5.8 Automatic Acoustic Management Feature Set ................................................... 6-4
6.5.9 IDENTIFY DEVICE Information .................................................................... 6-5
6.5.10 SET FEATURES Supported Commands .........................................................6-7
6.5.11 Maxtor Specific Commands .............................................................................. 6-8
6.5.12 SMART READ ATTRIBUTE THRESHOLDS .......................................... 6-15
6.5.13 Device Configuration Overlay Feature Set ...................................................... 6-21