Vulcanman

Hi zibi, how do you bypass the SD4ST without disconnecting the power supply or the unit itself? This is the information that would go in a user manual. Regards

Thanks for the info. Regards

So I've re-done the test using the ACSI selection, with the transfer rate now at 891 KB/s, and access time at 1.3 mS. Is there a help file for using your programme? Hope this helps. Regards

Hi Darklord, sorry for the delay in replying. ICD Rate HD V3.09 - 851KB/s 2 ms AHPT94 - 834 KB/s 10.7 ms Regards

Hi TGB1718, the pull up resistors are on the underside of the board, under the dip switches. So I've con checked from the switches to the address pins (switch 1 to A20, switch 2 to A19 etc) and they are all good. The only thing I can think of now is there is an internal fault with the chip causing pin 32 (A20) to be held high whether switch 1 is off or on. Unfortunately I don't have an eprom programmer that can handle 42 pin chips. Regards

Hi TGB1718, Thanks for the diagram. The board also has 7 resistors, 2 x 3 legged diodes and an ON/OFF switch. The dip switches all appear to be serviceable, so I'll check the resistance from each switch to the corresponding address line and go from there. Regards

Hi Pootle, I bought one of these from eBay. Unfortunately it is not recognising DP switch 1 selection. Do you have a cct diagram so I can diagnose what the problem is please? Regards

I bought one of these, and I'm using the ICD Pro drivers with it. It's certainly faster then my old scsi drive. I'm just waiting for a manual for it to come out, the documentation on the home site is sparse at the moment. Regards

That's good to know xxl, can't wait to play the finished item. It really looks good. Regards