HP ProBook 4446s HP ProBook 4445s Notebook PC HP ProBook 4446s Notebook PC - M - Page 96

DVD-ROM Drive specifications, Specification information in Device Manager

Page 96 highlights

DVD-ROM Drive specifications Applicable disc Center hole diameter Disc diameter Standard disc Mini disc Disc thickness Track pitch Access time Random Full stroke Audio output level Cache buffer Data transfer rate CD-R (24X) CD-RW (10X) CD-ROM (24X) DVD (8X) Multiword DMA mode 2 Startup time Stop time DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18, CD-ROM (Mode 1 and 2), CD Digital Audio, CD-XA ready (Mode 2, Form 1 and Form 2), CD-I (Mode 2, Form 1 and Form 2), CD-R, CD-RW, Photo CD (single and multisession), CD-Bridge 1.5 cm (0.59 in) 12 cm (4.72 in) 8 cm (3.15 in) 1.2 mm (0.047 in) 0.74 µm CD < 100 ms < 175 ms Line-out, 0.7 Vrms 512 KB DVD < 125 ms < 225 ms 3600 KB/s (150 KB/s at 1X CD rate) 1500 KB/s (150 KB/s at 1X CD rate) 3600 KB/s (150 KB/s at 1X CD rate) 10,800 KB/s (1,352 KB/s at 1X DVD rate) 16.6 MB/s < 10 seconds < 3 seconds Specification information in Device Manager Device Manager allows you to view and control the hardware attached to the computer, as well as provides hardware specification information. You can also add hardware or modify device configurations using Device Manager. NOTE: Windows 7 includes the User Account Control feature to improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. Refer to Windows Help and Support for more information. After you open Device Manager, drill-down to a device and double-click it to access its properties. To access Device Manager in Windows 7: 1. Select Start > Computer > System properties. 2. In the left pane, click Device Manager. 88 Chapter 6 Specifications

  • 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

DVD-ROM Drive specifications
Applicable disc
DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18, CD-ROM (Mode 1 and 2), CD Digital
Audio, CD-XA ready (Mode 2, Form 1 and Form 2), CD-I (Mode 2, Form 1 and Form
2), CD-R, CD-RW, Photo CD (single and multisession), CD-Bridge
Center hole diameter
1.5 cm (0.59 in)
Disc diameter
Standard disc
Mini disc
12 cm (4.72 in)
8 cm (3.15 in)
Disc thickness
1.2 mm (0.047 in)
Track pitch
0.74 μm
Access time
CD
DVD
Random
< 100 ms
< 125 ms
Full stroke
< 175 ms
< 225 ms
Audio output level
Line-out, 0.7 Vrms
Cache buffer
512 KB
Data transfer rate
CD-R (24X)
3600 KB/s (150 KB/s at 1X CD rate)
CD-RW (10X)
1500 KB/s (150 KB/s at 1X CD rate)
CD-ROM (24X)
3600 KB/s (150 KB/s at 1X CD rate)
DVD (8X)
10,800 KB/s (1,352 KB/s at 1X DVD rate)
Multiword DMA mode 2
16.6 MB/s
Startup time
< 10 seconds
Stop time
< 3 seconds
Specification information in Device Manager
Device Manager allows you to view and control the hardware attached to the computer, as well as
provides hardware specification information.
You can also add hardware or modify device configurations using Device Manager.
NOTE:
Windows 7 includes the User Account Control feature to improve the security of your
computer. You may be prompted for your permission or password for tasks such as installing
software, running utilities, or changing Windows settings. Refer to Windows Help and Support for
more information.
After you open Device Manager, drill-down to a device and double-click it to access its properties.
To access Device Manager in Windows 7:
1.
Select
Start
>
Computer
>
System properties
.
2.
In the left pane, click
Device Manager
.
88
Chapter 6
Specifications