The COREi64web page offers a IEEE "L" RRIOT daughterboard. This board makes it possible to replace the original RRIOT chip with a standard 6532 RRIOT chip and an EPROM with the specific code for the device. The following disk drives are supported: 2040, 3040, 4040, 8050, 8250, 8250-LP and the SFD-1001.