Well, would you believe it. It was the disks after all. I can't believe they are all bad!
Just booted straight into RT-11. Thanks all for your help anyway. Time to play. Aaron. Aaron Jackson via cctalk writes: > Hi everyone, > > I originally posted this on VCFed (which was new to me) but the > moderation queue has had me waiting for about 3 days, so I thought I'd > ask here as well, the usual of gurus. :) > > I was recently sent an RXV21 controller so I could test out my RX02 > drive. When I power up the PDP-11 or reset the machine I get the nice > clunking sound which I have been told is normal. I expect I wouldn't > hear this if the ribbon cable was in the wrong way. > > To test, I tried to use VTserver to dump the contents of a disk, but it > immediately threw an error. I soon realised there are two DIP switches > on the logic board of the RX02 drive which had to be adjusted to work > with the RXV21. So, I had some progress. Output of VTserver almost > looked promising but then it hangs, as below: > > ]] Tape record n from device xx is written as xx(0,0,n) > ]] Disk drive xx is written as xx(0,0,0) > ]] > ]] Enter name of input record/device: rx(0,0,0) > ]] Enter name of output record/device: vt(0,0,1) > ]] > ]] Opened copy.out read-write > ]] > > So, following some advice I booted via TU58em into XXDP and ran the > diagnostics: > > ]] DR>STA > ]] > ]] CHANGE HW (L) ? N > ]] > ]] CHANGE SW (L) ? N > ]] > ]] CZRXFB0 SYS FTL ERR 00040 ON UNIT 00 TST 011 SUB 000 PC: 003476 > ]] CSR BITS - LGC TST > ]] AC LOW FATAL ERROR > ]] REG ACTUAL=000000 > ]] REG EXPECT=000000 > ]] > ]] POSSIBLE FAILING "FRU'S": > ]] INTERFACE - M8029 > ]] > ]] UNIT#0 RXCSR=000000 RXESR=000000 CMD=000000 -> > ]] ->NO PWR, CABLED BACKWARDS, STRAPPED RX01, PDP-8 > ]] DROP UNIT#0 FROM TEST > ]] > ]] PASS ABRTD THS UNIT > ]] CZRXFB0 SYS FTL ERR 00040 ON UNIT 01 TST 011 SUB 000 PC: 003476 > ]] CSR BITS - LGC TST > ]] AC LOW FATAL ERROR > ]] REG ACTUAL=000000 > ]] REG EXPECT=000000 > ]] > ]] POSSIBLE FAILING "FRU'S": > ]] INTERFACE - M8029 > ]] > ]] UNIT#1 RXCSR=000000 RXESR=000000 CMD=000000 -> > ]] ->NO PWR, CABLED BACKWARDS, STRAPPED RX01, PDP-8 > ]] DROP UNIT#1 FROM TEST > ]] > ]] PASS ABRTD THS UNIT > ]] CZRXFB0 EOP 1 > ]] 2 TOTAL ERRS > > So, the possible errors according to XXDP: > > - Bad power - I get 25v, 5v and -5v. The motors are spinning, not > convinced it is this? > > - Cable backwards - I don't think I'd be hearing that clunk. > > - Strapped RX01 - I don't know what this means > > - PDP8 - eh? > > If anyone has any suggestions it would be great to hear them. > > Thanks, > Aaron. -- Aaron Jackson PhD Student, Computer Vision Laboratory, Uni of Nottingham http://aaronsplace.co.uk
