HP Envy 15-1000se HP ENVY 15 - Maintenance and Service Guide - Page 91

System DMA specifications, Hardware, DMA system function, Memory address

Get HP Envy 15-1000se PDF manuals and user guides View all HP Envy 15-1000se manuals
Add to My Manuals
Save this manual to your list of manuals

Page 91 highlights

System DMA specifications Hardware DMA system function DMA0 Not applicable DMA1* Not applicable DMA2* Not applicable DMA3 Not applicable DMA4 Direct memory access controller DMA5* Not applicable DMA6 Not assigned DMA7 Not assigned *ExpressCard controller can use DMA 1, 2, or 5. System memory map specifications Size 640 KB 128 KB 64 KB 64 KB Memory address 00000000-0009FFFF 000A0000-000BFFFF 000C0000-000CFFFF 000E8000-000FFFFF 00100000-XFFFFFFF (X+1)0000000-FEDFFFFF FED00000-FED003FF FEE01000-FFFFFFFF Specifications System function Base memory Video memory Video BIOS System BIOS Extended memory (based on memory installed) PCI bus High-precision event timer PCI bus Maintenance and Service Guide 6-7

  • 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
Specifications
Maintenance and Service Guide
6–7
System DMA specifications
System memory map specifications
Hardware
DMA system function
DMA0
Not applicable
DMA1*
Not applicable
DMA2*
Not applicable
DMA3
Not applicable
DMA4
Direct memory access controller
DMA5*
Not applicable
DMA6
Not assigned
DMA7
Not assigned
*ExpressCard controller can use DMA 1, 2, or 5.
Size
Memory address
System function
640 KB
00000000–0009FFFF
Base memory
128 KB
000A0000–000BFFFF
Video memory
64 KB
000C0000–000CFFFF
Video BIOS
64 KB
000E8000–000FFFFF
System BIOS
00100000–XFFFFFFF
Extended memory (based on
memory installed)
(X+1)0000000–FEDFFFFF
PCI bus
FED00000–FED003FF
High-precision event timer
FEE01000–FFFFFFFF
PCI bus