Search found 2124 matches

by exxos
Mon Jul 16, 2018 6:56 pm
Forum: RTC (Real time clock)
Topic: no-software internal RTC
Replies: 16
Views: 896

Re: no-software internal RTC

:bravo:

Have you talked to Jookie about this stuff ? He did a keyboard injector for cosmosex and may be able to give some more info on it all.
by exxos
Mon Jul 16, 2018 5:51 pm
Forum: STE V1 32MHz BOOSTER
Topic: STE V1.5 32MHz BOOSTER - STATUS
Replies: 132
Views: 5823

Re: STE V1.5 32MHz BOOSTER - STATUS

It does not look like a real-time 8MHz switch will be possible with this design. There simply isn't enough IO power in that PLD :( Problem is I have to delay DTACK because the CPU is running faster. Though I also have to turn this delay off to get back to stock 8MHz speeds. The problem is when the s...
by exxos
Mon Jul 16, 2018 4:37 pm
Forum: STE V1 32MHz BOOSTER
Topic: STE V1.5 32MHz BOOSTER - STATUS
Replies: 132
Views: 5823

Re: STE V1.5 32MHz BOOSTER - STATUS

Board is getting there :)

I just tested the 8MHz switch and while it works, it actually glitches during transition :roll: I think it is a problem with my wait state code.. So currently sidetracked while I investigate the issue...

IMG_3049.JPG
IMG_3049.JPG (222.81 KiB) Viewed 19 times
by exxos
Mon Jul 16, 2018 1:44 pm
Forum: STE V1 32MHz BOOSTER
Topic: STE V1.5 32MHz BOOSTER - STATUS
Replies: 132
Views: 5823

Re: STE V1.5 32MHz BOOSTER - STATUS

troed wrote:
Mon Jul 16, 2018 1:43 pm
(The next update will be from Chris swearing over hard to find connections between pins ;))
Most probably 8-)
by exxos
Mon Jul 16, 2018 1:12 pm
Forum: STE V1 32MHz BOOSTER
Topic: STE V1.5 32MHz BOOSTER - STATUS
Replies: 132
Views: 5823

Re: STE V1.5 32MHz BOOSTER - STATUS

What I will try today is pre-soldering the CPU pins on the PCB as shown below.. Then I will paste the whole board and assemble.. This way the CPU pins have double the amount of solder on them..

pre-paste.jpg
pre-paste.jpg (204.89 KiB) Viewed 22 times
by exxos
Mon Jul 16, 2018 11:47 am
Forum: STE V1 32MHz BOOSTER
Topic: STE V1.5 32MHz BOOSTER - STATUS
Replies: 132
Views: 5823

Re: STE V1.5 32MHz BOOSTER - STATUS

So the current booster was running a couple of hours then died again :roll: I fluxed the board up and re-heated twice and it made no difference. The third time I heated it up , and pushed down on the CPU for a couple of minutes until it had cooled, and now it works! So what I am going to do is see i...
by exxos
Mon Jul 16, 2018 10:39 am
Forum: PSU (power supplies)
Topic: Exxos PSU + CT2B Falcon
Replies: 17
Views: 216

Re: Exxos PSU + CT2B Falcon

Thanks. Also mentions 2 ROM's as well.
by exxos
Mon Jul 16, 2018 10:36 am
Forum: HARDWARE DISCUSSIONS
Topic: List of planned upgrades.. Plus recasing....
Replies: 18
Views: 193

Re: List of planned upgrades.. Plus recasing....

Yes. Items in the UK yes.. postage is calculated on checkout.
by exxos
Sun Jul 15, 2018 10:30 pm
Forum: STE V1 32MHz BOOSTER
Topic: STE V1.5 32MHz BOOSTER - STATUS
Replies: 132
Views: 5823

Re: STE V1.5 32MHz BOOSTER - STATUS

Not sure why it would happen but can only assume oxydisation on the pin over the years, not that we can see it on the photo. Does not appear to be any tarnishing or oxidisation from what I can see. Could it be that the cpu and pcb flexed under the sudden application of heat? Reading the instruction...
by exxos
Sun Jul 15, 2018 10:24 pm
Forum: CHAT FORUM
Topic: Game recommendations please
Replies: 6
Views: 67

Re: Game recommendations please

Forgottenmyname wrote:
Sun Jul 15, 2018 10:18 pm
Thanks and good call with that link. Best not start reading now though or I'll not get any sleep.
Good plan ;)