EXP Computer ThinCD E series for CDE-2440(PCMCIA Model), CDE-2450(USB Model), CDE-2465(Parallel Model) - Manual (Page 14)

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6. Insert the device driver diskette into your floppy drive. Make sure
Specify Location is selected and then click Next.
7. The Found New Hardware Wizard will search for the information
files in the hard disk, then the floppy drive. Type A:\win2000 or
click Browse to select the A:\win2000 folder. Click OK.
8. Click Next to continue.