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QuDi Portable Drives (USB and FireWire) support the full spectrum of Mac and PC operation systems. Please refer to the table and notes below for proper install for your OS. If you have further questions concerning installation, please contact Tech Support.

For Mac Users

For the FireWire Base (QD125F) it is basically plug-and-play for all Mac OSes. For the USB Base (QD125U) please follow the following notes for your OS.

	Mac OS X 10.2		Mac OS X 10.1		Mac OS 9.1/9.2	Mac OS 8
	Firmware Update	Driver Required	Firmware Update	Driver Required	Driver	Driver
QD125U	YES v.2.6C	Driver v.1.4J	YES v.2.6C	NO	YES USB2IDE v.2.0f4	YES USB2IDE v.2.0f4
QD125F	NO	NO	NO	NO	NO	NO
Click on the link to download the driver or firmware listed.

For Mac OS X 10.1 and 10.2, the USB Base (QD125U) require a firmware update before it can be made compatible. The QuDi drives shipped after October 2002, should have the firmware updated. If not, please follow the instruction below to update the firmware on the base yourself.

The firmware update utility program works only on Windows 98/ME machine. Unfortunately for now, the update process is only PC-based. If you have no access to a Windows 98 machine, or if you don't want update the firmware yourself, please contact Tech Support and send back your unit and we will update it for you.

To update the firmware on the QD125U,

1. Download the v.2.6C updater package ("USB2IDE26C.zip") to a Windows 98/ME machine. Unzip the package using StuffIt Expander or WinZip.
2. Run the installer ("USB2IDE26C.exe") to install the updater to your PC.
3. Attach the QD125U USB Base to the USB Port of the PC. A caddy must be attached during the firmware update process, although the data in the caddy will not be altered in any way.
4. Run the updater utility program at "Start->Programs->scanlogic->usb2ide26c.bat".
5. Restart the PC.
6. Now try the QD125U on the Mac running Mac OS X.

For Mac OSX 10.2 users, other than the firmware update for the USB Base, you must install the v.1.4 driver before the USB Base can be recognized.

All the files mentioned above can be downloaded from the table above.

For Windows Users

The newer Windows operating systems support QuDi Portable Drives natively; there is no driver needed to run. For Windows 98, however, the WinUSB 1.1 driver needs to be installed first before QuDi Portable Drives can be recognized.

	Windows XP	Windows 2000	Windows ME	Windows 98 SE
	Driver	Driver	Driver	Driver
QD125U	NO	NO	NO	YES WinUSB1.1
QD125F	NO	NO	NO	NO
Click on the link to download the driver or firmware listed.