Finally got round to soldering up the JTAG on my box.. the small scale was actually easier than I thought... but so far no luck...
With the box powered off or without the jumper bridged (I forgot about that 1st time round ;D ) I get a CPUID of all 000000000s
When powered on and jp bridged, I get CPUID of all 1111111111s.
From reading through the german posts with similar results, it looks like I might have the DIT9719 equivelent of a X301t :-( either that or I've somehow messed up the JTAG.
Any ideas where I might have gone wrong? I followed the second jtag diagram for wiring the GND on the parallel port (pin20 and 25), do all the pins (18-25) need to be connected to GND?
Attached a pic of my micro-wiring (note the Dec 2007 date on the board)...
Any ideas?
Cheers
Redband
Wiring looks fine.
I had the same problem with my other PC when running the dumper.
Have you tried the C# version?
I eventually tried a different PC and it worked fine :S
the wiring i used was the same as the second one too
LPT PORT BOX
2 >>> 3
3 >>> 9
4 >>> 7
13 >>> 5
i used pins 6&8 on the box (GND) wired to any of the GND pins on the LPT port.
Mick
All I can say is... D'OH!!!!
I checked and double-checked, probably even triple checked before I even switched on the box last night...
Maybe it was the soldering fumes, but in the cold light of day... I checked again and I've got the pins 3&4 on the LPT switched....
I'll have another go later... not out of the game yet... :)
Switched the pns, fired it up...
looking better ;D
CPU Chip ID: 00001000011000110000000000000001 (08630001)
*** Found a SigmaDesigns SMP8634 Rev A CPU chip ***
Issuing Processor / Peripheral Reset ... Done
Halting Processor ... <Processor Entered Debug Mode!> ... Done
Clearing Watchdog ... Done
=========================
Backup Routine Started
=========================
Saving BOOTLOADER_20080427_180813 to Disk...
[ 23% Backed Up] 0x9363b000 (319 bytes/s)
Cool :)
Glad you got it working :)
Mick