Is there a way to get any of the USB HDD Drivers (aspiochi, aspiuhci, aspiehci, usbaspi, etc...) to work with a USB Keyboard? It seems like as soon as these USB drivers are loaded the bios support is disabled and the keyboard becomes non-functional?????

Yes you are quite corrrect, once an O/S has installed USB drivers it overrides BIOS support.

USB DOS Drivers only support Optical and Mass Storage Devices.

I suppose you could always write a driver yourself as I believe there are resources available.

http://www.jungo.com/embedded_usb_hid.html

I acutally got the KB AND Mouse to work using the /norst switch, however it is very unstable. The USB HDD locks up after a few minutes of accessing it (i.e. Ghost).

Panasonic USBASPI v2.15 locks up while detecting USB devices. 2.06 and the newer 2.20 works most of the time, they sometime locks up after detecting devices. Either case it's pretty unstable to work on.

I ran into this problem on the new Dell desktop computers which did not come with ps/2 ports, USBs only.

So this is not really Standalone DOS then, you are using the "Symantec PC-DOS" Boot Disks with Windows Ghost ??

USB DOS Drivers afaik were written/tested mainly with 'MS-DOS 6.22 and compatibles'

As we are going off topic have you looked at Acronis True Image I believe it is *NIX based, which has more mature USB support.

http://www.acronis.com/