Subj : USB 2.0, Warp 4, ECS and To : Will Honea From : Peter Knapper Date : Sat Jun 11 2005 01:11 pm Hi Will, WH> BASEDEV=USBUHCD.SYS /V WH> BASEDEV=USBD.SYS /V WH> BASEDEV=USBHID.SYS /v WH> BASEDEV=USBMSD.ADD /FLOPPIES:0 /REMOVABLES:1 /V WH> BASEDEV=USBCDROM.ADD /V WH> DEVICE=E:\OS2\BOOT\USBPRT.SYS /V WH> DEVICE=E:\OS2\BOOT\USBMOUSE.SYS /V WH> device=E:\os2\boot\usbresmg.sys /V Some people seem to suggest that you load the first of those (USBUHCD.SYS) twice, once for each USB controller on a System. Is that what you have found? Cheers............pk. --- Maximus/2 3.01 * Origin: Another Good Point About OS/2 (3:772/1.10) .