CMD PCI-0640 IDE Controller Driver
CMD PCI 646U2/648/649 Ultra DMA IDE Controller Driver
CMD PCI-0643 DMA IDE Controller Driver
CMD PCI-0643U Ultra DMA IDE Controller Driver
CMD PCI-0646 DMA IDE Controller Driver
CMD PCI-0646U Ultra DMA IDE Controller Driver
CMD PCI-0646U2 Ultra DMA IDE Controller Driver
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1
The Ultra ATA/66 PCI Controller
after failing to install nt I went searching found out that my card had the cmd 648 chip found the driver located on the asus mb path
Work with NT 4.0 updates since 6/2000
Brian Forsberg (DG Member) on 4-Dec-2003
The following files are found inside the driver download file.
|Win9x/CMDIDE.DLL||23.2 KB||5 Nov 1999|
|Win9x/readme.win9x.txt||8.9 KB||18 May 2000|
|Win9x/setup.exe||41.0 KB||8 Jun 2000|
|Win9x/CMDIDE.VXD||9.9 KB||30 May 2000|
|Win9x/csa64xx.mpd||77.4 KB||26 May 2000|
|Win9x/cmddma.inf||4.3 KB||5 Jun 2000|
|Winnt/oemsetup.inf||3.7 KB||20 Jun 2000|
|Winnt/readme.txt||6.0 KB||23 Jun 2000|
|Winnt/cmdcfgNT.exe||58.4 KB||21 Apr 2000|
|Winnt/CSA64XX.SYS||55.4 KB||7 Jun 2000|
|DISK1||21 bytes||17 Oct 1997|
|txtsetup.oem||327 bytes||15 May 2000|
|Win2k/Readme.txt||6.8 KB||12 Nov 1999|
|Win2k/cmdide.cat||8.4 KB||25 Feb 2000|
|Win2k/CMDIDE.SYS||6.9 KB||22 Dec 1999|
|Win2k/cmdide.inf||2.6 KB||20 Dec 1999|
To get the CMD PCI 646U2/648/649 Ultra DMA IDE Controller driver, click the green download button above. After you complete your download, move on to Step 2.
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Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.
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In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order for the driver update to take effect.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
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