H4 MONGREL EDITION DEVELOPMENT & INFO

Can all registered uses please login, even just for a few minutes..
It helps build a picture where our "good traffic" is coming from..
Thanks :)

Forum

Topics

Posts

Last post

MONGREL H4 USER BUILDS
Topic for users to share their building progress.
Topics: 41

41 Topics

2505 Posts

Last post Re: Kodak80 H4F build
by exxos View the latest post
Sat Jun 07, 2025 8:56 am

New Topic

42 topics

Announcements

Replies

Views

Last post

Some users still using Hotmail etc and unable to post on the forum

Last post by exxos « Tue Aug 18, 2026 1:20 pm
Posted in NEWS & ANNOUNCEMENTS
Replies: 37
by exxos » Tue Oct 08, 2024 4:53 pm » in NEWS & ANNOUNCEMENTS
1

2

3

4
37 Replies

458733 Views

Last post by exxos
Tue Aug 18, 2026 1:20 pm
Exxos IP ban check

Last post by exxos « Tue Aug 18, 2026 1:01 pm
Posted in NEWS & ANNOUNCEMENTS
Replies: 32
by exxos » Tue Oct 01, 2024 4:32 pm » in NEWS & ANNOUNCEMENTS
1

2

3

4
32 Replies

307512 Views

Last post by exxos
Tue Aug 18, 2026 1:01 pm
If you are trying to register with the forum.. (email problems)

Last post by exxos « Tue Jan 03, 2023 11:44 pm
Posted in NEWS & ANNOUNCEMENTS
Replies: 10
by exxos » Fri Sep 23, 2022 6:47 pm » in NEWS & ANNOUNCEMENTS
1

2
10 Replies

296889 Views

Last post by exxos
Tue Jan 03, 2023 11:44 pm
Forum Behaviour and Rules

Last post by exxos « Fri Jan 24, 2025 1:23 pm
Posted in NEWS & ANNOUNCEMENTS
Replies: 6
by rubber_jonnie » Wed Feb 23, 2022 9:53 am » in NEWS & ANNOUNCEMENTS

6 Replies

189306 Views

Last post by exxos
Fri Jan 24, 2025 1:23 pm
User control panel - Order history, tracking, and address information

Last post by exxos « Mon Feb 07, 2022 1:21 pm
Posted in EXXOS WEBSTORE INFORMATION
Replies: 1
by exxos » Mon Feb 07, 2022 12:54 am » in EXXOS WEBSTORE INFORMATION

1 Replies

177618 Views

Last post by exxos
Mon Feb 07, 2022 1:21 pm
Correct procedures for uploading files to the forum

Last post by exxos « Sun Apr 12, 2026 10:47 pm
Posted in NEWS & ANNOUNCEMENTS
Replies: 1
by rubber_jonnie » Wed Oct 14, 2020 1:43 pm » in NEWS & ANNOUNCEMENTS

1 Replies

177880 Views

Last post by exxos
Sun Apr 12, 2026 10:47 pm
How to place photos in a post

Last post by exxos « Sun Apr 12, 2026 10:47 pm
Posted in NEWS & ANNOUNCEMENTS
Replies: 4
by Icky » Sat Nov 30, 2019 10:53 am » in NEWS & ANNOUNCEMENTS

4 Replies

236137 Views

Last post by exxos
Sun Apr 12, 2026 10:47 pm
Upside down forum images...

Last post by kowalski33 « Wed Apr 23, 2025 9:11 am
Posted in NEWS & ANNOUNCEMENTS
Replies: 5
by exxos » Tue Jan 16, 2018 11:30 am » in NEWS & ANNOUNCEMENTS

5 Replies

196312 Views

Last post by kowalski33
Wed Apr 23, 2025 9:11 am

Topics

Replies

Views

Last post

H4 BUYERS INTEREST - SOLD OUT!

Last post by Bikerbob « Tue May 19, 2020 4:20 am
Replies: 36
by exxos » Sun Dec 29, 2019 10:34 pm
1

2

3

4
36 Replies

27245 Views

Last post by Bikerbob
Tue May 19, 2020 4:20 am
Future of the project.

Last post by exxos « Fri Mar 13, 2020 8:20 pm
Replies: 31
by exxos » Wed Oct 23, 2019 12:46 pm
1

2

3

4
31 Replies

28516 Views

Last post by exxos
Fri Mar 13, 2020 8:20 pm
DB19 variations

Last post by frank.lukas « Fri Dec 27, 2019 6:45 pm
Replies: 4
by exxos » Thu Dec 26, 2019 9:32 pm

4 Replies

7106 Views

Last post by frank.lukas
Fri Dec 27, 2019 6:45 pm
Assembled H2 interest ?

Last post by exxos « Wed Oct 16, 2019 9:56 pm
Replies: 6
by exxos » Thu Jul 18, 2019 9:20 pm

6 Replies

8854 Views

Last post by exxos
Wed Oct 16, 2019 9:56 pm
ST-IDE-ROM Dev Board v1 - BETA Testers

Last post by exxos « Mon Jan 26, 2026 7:51 pm
Replies: 695
by Icky » Thu Feb 28, 2019 7:49 am
1

…

66

67

68

69

70
695 Replies

336311 Views

Last post by exxos
Mon Jan 26, 2026 7:51 pm
DS1315 clock chip equivalents?

Last post by exxos « Fri Oct 01, 2021 1:35 am
Replies: 7
by PhilC » Fri Nov 29, 2019 4:09 pm

7 Replies

8055 Views

Last post by exxos
Fri Oct 01, 2021 1:35 am
H4 remake

Last post by JezC « Sun Feb 07, 2021 2:48 pm
Replies: 11
by exxos » Sat Feb 06, 2021 6:02 pm
1

2
11 Replies

10499 Views

Last post by JezC
Sun Feb 07, 2021 2:48 pm
exxos IDE interface (untested)

Last post by exxos « Tue Nov 03, 2020 2:52 pm
Replies: 114
by exxos » Sun Nov 19, 2017 9:54 pm
1

…

8

9

10

11

12
114 Replies

85549 Views

Last post by exxos
Tue Nov 03, 2020 2:52 pm
Project for someone...

Last post by exxos « Wed Jul 29, 2020 10:48 pm
Replies: 2
by exxos » Wed Jul 29, 2020 10:18 pm

2 Replies

5059 Views

Last post by exxos
Wed Jul 29, 2020 10:48 pm
What's in a logo

Last post by Icky « Tue Jul 21, 2020 8:20 pm
Replies: 15
by Icky » Sun May 10, 2020 1:06 pm
1

2
15 Replies

12636 Views

Last post by Icky
Tue Jul 21, 2020 8:20 pm
H4G - Mongrel SMT Edition

Last post by Icky « Sun Jun 07, 2020 6:21 pm
Replies: 47
by Icky » Wed May 20, 2020 6:31 pm
1

2

3

4

5
47 Replies

43375 Views

Last post by Icky
Sun Jun 07, 2020 6:21 pm
Proposed next H4 board.

Last post by officer960 « Tue May 19, 2020 10:01 pm
Replies: 10
by exxos » Wed May 13, 2020 4:34 pm
1

2
10 Replies

11256 Views

Last post by officer960
Tue May 19, 2020 10:01 pm
True 16MHz Mode

Last post by Icky « Thu May 14, 2020 2:59 pm
Replies: 113
by Icky » Wed May 01, 2019 11:35 pm
1

…

8

9

10

11

12
113 Replies

81841 Views

Last post by Icky
Thu May 14, 2020 2:59 pm
A prosperous beginning ?

Last post by exxos « Tue May 12, 2020 7:33 pm

by exxos » Tue May 12, 2020 7:33 pm

0 Replies

5340 Views

Last post by exxos
Tue May 12, 2020 7:33 pm
Things to try..

Last post by exxos « Sun May 03, 2020 3:34 pm
Replies: 5
by exxos » Thu Feb 27, 2020 8:57 pm

5 Replies

6905 Views

Last post by exxos
Sun May 03, 2020 3:34 pm
RAM change to simm ?

Last post by exxos « Tue Jan 14, 2020 10:14 am
Replies: 18
by exxos » Fri Dec 14, 2018 11:12 am
1

2
18 Replies

18277 Views

Last post by exxos
Tue Jan 14, 2020 10:14 am
32.084988MHz oscillator

Last post by PaulJ « Thu Jan 02, 2020 6:48 pm
Replies: 14
by kodak80 » Sun Nov 03, 2019 9:28 pm
1

2
14 Replies

13979 Views

Last post by PaulJ
Thu Jan 02, 2020 6:48 pm
Scart switching with 12V

Last post by Icky « Sat Dec 28, 2019 12:25 am
Replies: 1
by exxos » Sat Dec 28, 2019 12:02 am

1 Replies

5171 Views

Last post by Icky
Sat Dec 28, 2019 12:25 am
STF Remake Mongrel H4 Build Guide

Last post by Icky « Sat Nov 30, 2019 8:44 pm
Replies: 10
by Icky » Mon Oct 21, 2019 9:57 pm
1

2
10 Replies

17992 Views

Last post by Icky
Sat Nov 30, 2019 8:44 pm
3V <> 5 V thoughts

Last post by MasterOfGizmo « Mon Oct 14, 2019 10:13 am
Replies: 1
by exxos » Sat Mar 23, 2019 8:26 pm

1 Replies

6625 Views

Last post by MasterOfGizmo
Mon Oct 14, 2019 10:13 am
MONO SWITCH

Last post by exxos « Tue Oct 08, 2019 12:50 pm
Replies: 5
by exxos » Thu Dec 13, 2018 7:38 pm

5 Replies

9030 Views

Last post by exxos
Tue Oct 08, 2019 12:50 pm
H2C SCHEMATIC 19-07-2019

Last post by PaulJ « Fri Jul 26, 2019 4:52 pm
Replies: 18
by exxos » Fri Jul 19, 2019 7:42 pm
1

2
18 Replies

16679 Views

Last post by PaulJ
Fri Jul 26, 2019 4:52 pm
ALPHA CPU Extension Board - Yes Another Tower

Last post by Icky « Sat Jun 15, 2019 11:03 am
Replies: 20
by Icky » Tue May 07, 2019 8:12 pm
1

2

3
20 Replies

20234 Views

Last post by Icky
Sat Jun 15, 2019 11:03 am
Clocking

Last post by ijor « Thu Jun 06, 2019 2:53 pm
Replies: 6
by ijor » Wed Jun 05, 2019 8:05 pm

6 Replies

7828 Views

Last post by ijor
Thu Jun 06, 2019 2:53 pm
16MHz Mod PCB install

Last post by Icky « Mon Jun 03, 2019 6:53 pm
Replies: 10
by exxos » Fri May 31, 2019 9:47 pm
1

2
10 Replies

11785 Views

Last post by Icky
Mon Jun 03, 2019 6:53 pm

New Topic

42 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum