Search found 65 matches

by pakman
Sun Jan 27, 2019 4:14 pm
Forum: HARDWARE ISSUES
Topic: PAK issues
Replies: 160
Views: 22829

Re: PAK issues

In your MegaST, was there a 68000 installed in parallel with the PAK?
by pakman
Sat Jan 26, 2019 5:36 pm
Forum: HARDWARE ISSUES
Topic: PAK issues
Replies: 160
Views: 22829

PAK issues

.. as my PAK still doesn't work and I know everything else on it does. Some questions on that: - Which PCB revision do you have (photo maybe, both sides)? - Which TOS on the mainboard? - Which TOS on the PAK? - Which GAL JEDECs? - Which jumper settings? - What is the speed rating of your components...
by pakman
Sun Jan 20, 2019 10:49 pm
Forum: SEC 64MHZ BOOSTER
Topic: CURRENT PROTOTYPE STATUS (SEC 64MHz 68000)
Replies: 550
Views: 104474

Re: V2.5 BOOSTER CURRENT PROTOTYPE STATUS (SEC BOOSTER)

I can donate a board if anyone wants to build one up, but will need a Atmel programmer. I have no idea how long it will take to debug the odd faults though. I would like to get one! PCB with 68000 SEC assembled, nothing else. I will do my tests with a Lattice CPLD, where I have all tools (compiler,...
by pakman
Mon Mar 19, 2018 10:28 pm
Forum: MEMBER BLOGS
Topic: Boosting STFM: 16MHz bus, 64MHz Shifter
Replies: 135
Views: 43883

Re: Boosting STFM: 16MHz bus, 64MHz Shifter

There must be something really simple I just haven't figured out how connecting pin 2 to CPU RESET causes it to stay low .. Keep in mind that the RESET line at the the CPU is not only an input, but (sometimes) an output as well! So what happens is: - At power on the reset circuit will release the R...
by pakman
Fri Feb 16, 2018 10:59 pm
Forum: MEMBER BLOGS
Topic: NetBSD 7.1 on the Atari TT
Replies: 39
Views: 16287

Re: NetBSD 7.1 on the Atari TT

There are some items I have questions around. Firstly does the Thunder card use the same address space as the Falcon: /* Falcon IDE register locations (base and offsets). */ #define FALCON_WD_BASE 0xfff00000 #define FALCON_WD_LEN 0x40 #define FALCON_WD_AUX 0x38 Yes, it uses the same address space a...

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