Compaq Portable 486 Compaq Portable 486c Personal Computer Maintenance and Ser - Page 6

Track to Track, Drive Type logical

Get Compaq Portable 486 - Notebook PC PDF manuals and user guides View all Compaq Portable 486 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 6 highlights

Drives Supported One One Form Factor 3 1/2 inch 3 1/2 inch Drive Height 1 inch 1 inch Drive Weight 1.3 lb 1.3 lb Drive Type (logical) 51 50 Drive Speed 4500 rpm 3399 rpm Transfer Rate (per second) Head Buffer (max) 20 MB 5 MB 12 MB 4.5 MB Sector Interleave 1:1 1:1 Seek Times Track to Track Average Maximum 3 ms 12 ms 30 ms 8 ms 19 ms 35 ms Cylinders Physical Logical 2119 683 1522 760 Read/Write Heads Physical Logical 4 4 16 8 Sectors Per Track Physical Logical 49 38 + 1 spare 40 39 + 1 spare Bytes Per Sector 512 512

  • 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
Drives Supported
One
One
Form Factor
3 1/2 inch
3 1/2 inch
Drive Height
1 inch
1 inch
Drive Weight
1.3 lb
1.3 lb
Drive Type (logical)
51
50
Drive Speed
4500 rpm
3399 rpm
Transfer Rate (per second)
Head
20 MB
12 MB
Buffer (max)
5 MB
4.5 MB
Sector Interleave
1:1
1:1
Seek Times
Track to Track
3 ms
8 ms
Average
12 ms
19 ms
Maximum
30 ms
35 ms
Cylinders
Physical
2119
1522
Logical
683
760
Read/Write Heads
Physical
4
4
Logical
16
8
Sectors Per Track
Physical
49
40
Logical
38 + 1 spare
39 + 1 spare
Bytes Per Sector
512
512
=============================================================================