Using a Retail Version of the Windows 2000 Operating
NEC Computers configures your computer at the factory with the correct IDE Controller mode
settings for optimal CD-RW/DVD drive audio and video performance. These settings are
preserved if you reinstall your operating system using the Product Recovery CD provided by
These settings are not the default in retail versions of the Windows 2000 operating system.
Should you install a retail version of Windows 2000 operating system instead of the version
provided by NEC Computers, the correct settings are overwritten. You can manually change
them back to optimize CD-RW/DVD drive performance by following these steps.
From the Windows Desktop, right click My Computer. Click Properties. In the System
Properties window, click the Hardware tab. In the Device Manager area, click the Device
In the Device Manager window, if necessary, double click the IDE ATA/ATAPI controllers
icon to display its sub-items.
Double click either Primary IDE Channel, or Secondary IDE Channel (according to which
one your DVD-ROM drive is on). The IDE Channel Properties dialog box opens.
Click the Advanced Settings tab. In the Device 0 area, change Transfer Mode: to "DMA if
In the Device 1 area, change Transfer Mode: to "DMA if available."
Click OK. A dialog box appears indicating that your system settings are changed and
prompting you to restart your computer.
Click Yes to restart your computer to initiate the settings change.
NEC VersaBay III CD-RW/DVD drive specifications follow and are standard unless stated
Supply : +5 V, single source
Read: max 24X
Write: max 4X
Data Transfer Rate
DVD: 3,357-8,112 KB/s
DVD-VIDEO: 2,163-3,245 KB/s
CD: Mode 1: 1,552-3,600 KB/s, Mode 2: 1,769-4,104 KB/s
Operating and Storage Conditions
Shock: 1.5 G (14.7ms)/read, 1.5 G (14.7 ms)/write
Vibration: 0.25G/read, 0.25 G/write
41 – 113 F (5 – 45 C) operating
14 – 140 F (-10 – 60 C) storage
8 – 80% RH operating
5 – 90% RH storage
NEC VersaBay III CD-RW/DVD Drive 11