HP 721953-061 Benutzerhandbuch
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)
3,600 KB/sec
DVD (8X)
3600 KB/s (150 KB/s at 1X CD 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.
hardware specification information.
You can also add hardware or modify device configurations using Device Manager.
NOTE:
Windows 7 and Windows Vista include 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.
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 8:
1.
From the Start screen, type control, and then select Control Panel.
2.
Select System and Security, and then in the System area, click Device Manager.
A list display all the devices installed in your computer.
To access Device Manager in Windows 7:
1.
Select Start > Computer > System properties.
2.
In the left pane, click Device Manager.
Specification information in Device Manager 121