This can probably be ignored. I since realised it's almost definitely an issue with my terminator. Although, it doesn't matter how many times I build a terminator, it won't work. I based my terminator off Mark Blair's RL02 to USB project:
https://github.com/NF6X/RL02-USB/blob/master/pcbs/RL02-USB-terminator/RL02-USB-terminator.pdf Aaron. Aaron Jackson via cctalk writes: > Hi everyone, > > I have managed to hook up an RL02 drive to my PDP-11 (thanks to Dave > Wade for the drives) . This took me longer than I thought it would - I > tried with a flat ribbon cable with a DIY terminator going straight into > board , but couldn't get it to work. Removed the terminator, and the > fault light turned off. So that's positive. > > I tried to load a cartridge, which I had cleaned, inspected and > generally appears to be in good condition. It started to spin up and I > could hear it getting faster, but after 30-40 seconds the fault light > returns. I made a short video demonstrating this: > > https://www.youtube.com/watch?v=japwBBodO8U > > According to the manual the fault light can appear for the following > reasons: > > - Drive select error... Surely this would come on at the start? > - Seek time out error... I'd have to hear the heads move first > - Write current in heads during sector time error... Same as above > - Loss of system clock... The fault light would be on from the start. > - Write protect error... I don't think it got that far > - Write data error... Same as above > - Spin error... Is this the only remaining fault? > > So could the only cause be a spin error? I am wondering if the belt is > slipping or something like that? > > Can anyone offer some advice? > > Thanks, > > Aaron. -- Aaron Jackson PhD Student, Computer Vision Laboratory, Uni of Nottingham http://aaronsplace.co.uk
