ST IMP DMA NEWGBP £15.2312 In Stock[0004]https://www.exxosforum.co.uk/atari/store2/#0004
New IMP DMA. Generally used in ST/F/M/H4 motherboards. IF your board already has a IMP DMA then there should be no problem. However IMP DMA will not work in all motherboards , in particular STE machines.