Hi. My A1200 OS 3.9 DKB 030/40 was giving 685k/sec IDE with a cheap CF adapter and 16GB PFS3 card. I didn't know why but something to do with the DKB rom which only Crossmac utils showed interestingly, SYSInfo didn't show that device as loaded. Same system but with an ACA 1231/42 and I get 2.2MB/Sec IDE transfer.
