METHOD 2 - The usbaspi.sys/usbcd.sys System - Example 1Īs noted, this method seems just like loading IDE drivers, with the added entry of the usbaspi X file. Note: You can find a usbspi.sys on the internet or use on of the five different versions I've found in the Download Files section at the The third method is a bootdisk from a USB vendor. Both methods appear to require loading an usbaspi X.sys file first in config.sys in most cases. Somewhat like standard CDrom driver files and a USB driver.

One is using what's known as DUSE driver system. There are several ways folks are getting their USB CDroms, Hard Drives, and other drives to work inĭOS. Bootdisk.Com - DOS USB Drivers DOS USB Drivers