I don't keep track. Often when searching for something, I know I have, I come on something I completely forgot I had. It is just like an uncle giving...
Wire wrap also has much less cross talk. With pc board prototyping tools today it is much easier to make a board and not worry about learning to make...
You can take as long as you want to edit the original post. Once you've posted, you only have 15 minutes to make any corrections. It a new rule. Get...
WD made some like these as I recall. Why not plug it in and do some write/read of some of the addresses. WD seems to do two types of controllers. One...
My guess is that the 2901 board is a graphic processor. It most likely does FFTs or CFTs, based on the video data. All the ROMs would be the bitslice...
You can make a simple test setup cable with some double pole double throw switches. Use the computer to step to a known track and then take over the...
Unless you need to move the disk from machine to machine, you can just take a disk that you think was well written and use your scope to get the best...