360050398

 

 

 

 

 

 

 

 

 

10.4.1 Program I/O Write Timing.............................................................................................................

36

 

10.4.2 Program I/O Read Timing..............................................................................................................

37

 

10.4.3 Multiword DMA Write Timing ......................................................................................................

38

 

10.4.4 Multiword DMA Read Timing .......................................................................................................

39

10.4.5

Ultra DMA Timing

.........................................................................................................................

 

40

10.4.6

Reset Timing

...................................................................................................................................

 

 

 

 

49

10.5

GROUNDING.............................................................................................................................................

 

 

 

 

 

49

10.6

ADDRESS DECODING................................................................................................................................

 

 

 

50

10.7

REGISTER DESCRIPTION ..........................................................................................................................

 

 

51

10.7.1

Data Register ..................................................................................................................................

 

 

 

 

51

10.7.2

Error Register .................................................................................................................................

 

 

 

 

52

 

10.7.3 Features Register (Write Precompensation Register) .................................................................

53

10.7.4

Sector Count Register.....................................................................................................................

 

53

10.7.5

Sector Number Register.................................................................................................................

54

10.7.6

Cylinder Low Registers ..................................................................................................................

54

10.7.7

Cylinder High Registers.................................................................................................................

54

10.7.8

Device/Head Register .....................................................................................................................

 

55

10.7.9

Status Register ...............................................................................................................................

 

 

 

56

10.7.10

Command Register......................................................................................................................

 

57

10.7.11

Alternate Status Register...........................................................................................................

59

10.7.12

Device Control Register..............................................................................................................

59

10.7.13

Device Address register ..............................................................................................................

59

10.8

COMMAND DESCRIPTIONS .......................................................................................................................

 

60

10.8.1

Nop (00h) ......................................................................................................................................

 

 

 

 

 

61

10.8.2

Recalibrate

(1xh)..........................................................................................................................

 

 

61

10.8.3

Flush Cache

(E7h)........................................................................................................................

 

61

10.8.4

Flush Cache EXT

 

(EAh) ..............................................................................................................

61

10.8.5

Read Sector

(20h/21h)..................................................................................................................

62

10.8.6

Read Sector EXT

 

(24h) ................................................................................................................

62

10.8.7

Write Sector

(30h/31h).................................................................................................................

63

10.8.8

Write Sector EXT

 

(34h) ...............................................................................................................

63

10.8.9

Read Verify

(40h)

.........................................................................................................................

 

65

10.8.10

Read Verify EXT

(42h).............................................................................................................

65

10.8.11

Write Verify

(3Ch)....................................................................................................................

 

66

10.8.12

Format Track

 

(50h) ................................................................................................................

66

10.8.13

Seek (7xh)..................................................................................................................................

 

 

 

 

67

10.8.14

Toshiba Specific...........................................................................................................................

 

 

 

67

10.8.15

Execute Diagnostics

(90h)........................................................................................................

68

10.8.16

Initialize Device Parameters

(91h) .........................................................................................

69

10.8.17

Download Microcode

(92h).......................................................................................................

70

10.8.18

Read Multiple

(C4h).................................................................................................................

71

10.8.19

Read Multiple EXT

(29h).........................................................................................................

72

10.8.20

Write Multiple

 

(C5h)................................................................................................................

72

10.8.21

Write Multiple EXT

(39h)........................................................................................................

73

10.8.22

Set Multiple Mode

(C6h)..........................................................................................................

73

10.8.23

Read DMA

 

(C8h/C9h)...............................................................................................................

74

10.8.24

Read DMA EXT

 

(25h) ..............................................................................................................

74

10.8.25

Write DMA

(CAh/CBh) ............................................................................................................

75

10.8.26

Write DMA EXT

(35h) .............................................................................................................

75

10.8.27

Power Control

(Exh).................................................................................................................

76

10.8.28

Read Buffer

(E4h).....................................................................................................................

 

78

10.8.29

Write Buffer

(E8h)....................................................................................................................

 

78

10.8.30

Identify Device

 

(ECh)...............................................................................................................

78

10.8.31

SET MAX (F9h)...........................................................................................................................

 

 

 

93

 

10.8.32 SET MAX ADDRESS EXT (37h) ...............................................................................................

96

10.8.33

Read Native Max Address

(F8h) ...........................................................................................

96

10.8.34

Read Native Max Address EXT (27h) ...................................................................................

97

10.8.35

Set Features

(EFh)

...................................................................................................................

98

 

 

 

 

 

 

 

 

 

 

 

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