Samsung 3.5" hard disk drives User Manual

Samsung

iv

SpinPoint V40 Product Manual

Generator ........................................................................................................................... 32

5.2.3.2 Automatic

Control ...................................................................................................................... 32

Asymmetry Correction Circuitry (ASC).............................................................................................. 32

Analog Anti-Aliasing Low Pass Filter................................................................................................. 32

Analog to Digital Converter (ADC) and FIR ...................................................................................... 32

................................................................................................................................. 34

........................................................................................................ 34

The Read Channel .................................................................................................................... 34

The Write Channel ................................................................................................................... 35

....................................................................................................................... 35

Caching ........................................................................................................................... 35

Caching .......................................................................................................................... 36

Management ................................................................................................................. 37

5.5.4 Automatic

Allocation ................................................................................................... 37

Multi-burst ECC Correction..................................................................................................... 37

5.5.6 SMART .................................................................................................................................... 37
5.5.7 AAM…………………………………………………………………………………………..37

AT INTERFACE AND ATA COMMANDS.................................................................... 39

................................................................................................................................. 39

....................................................................................................................... 39

Conventions .................................................................................................................. 39

Summary ....................................................................................................................... 39

Descriptions .................................................................................................................. 40

CS1FX- (Drive Chip Select 0)............................................................................................................. 40

CS3FX- (Drive Chip Select 1)............................................................................................................. 40

DA0-2 (Drive Address Bus) ................................................................................................................ 40

DASP- (Drive Active/Slave Present)................................................................................................... 40

DD0-DD15 (Drive Data Bus).............................................................................................................. 40

DIOR- (Drive I/O Read)...................................................................................................................... 40

DIOW- (Drive I/O Write).................................................................................................................... 40

Acknowledge) ......................................................................................................... 41

DMARQ (DMA Request) ................................................................................................................... 41

INTRQ (Drive Interrupt)................................................................................................................. 41

IOCS16- (Drive 16-bit I/O)............................................................................................................. 41

IORDY (I/O Channel Ready).......................................................................................................... 42

PDIAG- (Passed Diagnostics) ......................................................................................................... 42

RESET- (Drive Reset)..................................................................................................................... 42

......................................................................................................................... 46

6.3.1 General ..................................................................................................................................... 46

Conventions................................................................................................................................... 46

6.3.1.2 Environment ........................................................................................................................................ 46

I/O Register - Address.............................................................................................................. 48

Control Block Register Descriptions........................................................................................ 49

Alternate Status Register (3F6h) ......................................................................................................... 49

Drive Address Register (3F7h)............................................................................................................ 49

Device Control Register (3F6h)........................................................................................................... 49

Command Block Register Descriptions ................................................................................... 50

Data Register (1F0h) ........................................................................................................................... 50

Features Register (1F1h) ..................................................................................................................... 50

Sector Number Register (1F3h)........................................................................................................... 50

Error Register (1F1h) .......................................................................................................................... 50

Sector Count Register (1F2h) .............................................................................................................. 51

Cylinder High Register (1F5h) ............................................................................................................ 51

Cylinder Low Register (1F4h)............................................................................................................. 51

Command Register (1F7h) .................................................................................................................. 51

Drive/Head Register (1F6h) ................................................................................................................ 51

Status Register (1F7h)..................................................................................................................... 52

.......................................................................................... 53

Check Power Mode (98h, E5h) ................................................................................................ 56

Download Micro Code (92h) ................................................................................................... 56

Execute Device Diagnostics (90h) ........................................................................................... 56