Toshiba 50CT User Guide - Page 21

-inch External FDD Option, Hardware Overview, The FDD is shown

Get Toshiba 50CT PDF manuals and user guides View all Toshiba 50CT manuals
Add to My Manuals
Save this manual to your list of manuals

Page 21 highlights

1.3 3.5-inch External FDD (Option) 1 Hardware Overview 1.3 3.5-inch External FDD (Option) The 3.5-inch external FDD is a thin, high performance reliable drive that supports 720KB (formatted) 2DD and 1.44MB (formatted) 2HD disks. The FDD can be connected to the PC card slot. The FDD is shown in Figure 1-4. Figure 1-4 3.5-inch FDD The specifications for the FDD are listed in Table 1-1. Table 1-1 FDD specifications Item Storage capacity (KB) Unformatted Formatted Number of heads Number of cylinders Access time (ms) Track to track Average Head settling time Recording track density (tpi) Data transfer rate (Kbps) Rotation speed (rpm) Recording method 2MB mode 1MB mode 2,000 1,440 2 80 1,000 720 2 80 3 3 181 181 15 15 135 135 500 250 300 300 Modified Frequency Modulation (MFM) 1-8 Libretto 50CT/70CT Maintenance Manual

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
1.3
3.5-inch External FDD (Option)
1
Hardware Overview
1-8
Libretto 50CT/70CT Maintenance Manual
1.3
3.5-inch External FDD (Option)
The 3.5-inch external FDD is a thin, high performance reliable drive that supports 720KB
(formatted) 2DD and 1.44MB (formatted) 2HD disks. The FDD can be connected to the PC
card slot.
The FDD is shown in Figure 1-4.
Figure 1-4
3.5-inch FDD
The specifications for the FDD are listed in Table 1-1.
Table 1-1
FDD specifications
Item
2MB mode
1MB mode
Storage capacity (KB)
Unformatted
Formatted
2,000
1,440
1,000
720
Number of heads
2
2
Number of cylinders
80
80
Access time (ms)
Track to track
Average
Head settling time
3
181
15
3
181
15
Recording track density (tpi)
135
135
Data transfer rate (Kbps)
500
250
Rotation speed (rpm)
300
300
Recording method
Modified Frequency Modulation (MFM)