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 :)
It helps build a picture where our "good traffic" is coming from..
Thanks :)
New (and last ?) inbound
- HigashiJun
- Posts: 2405
- Joined: Fri Jun 19, 2020 7:21 am
- Location: Tokyo
Re: New (and last ?) inbound
Thanks !

- HigashiJun
- Posts: 2405
- Joined: Fri Jun 19, 2020 7:21 am
- Location: Tokyo
Re: New (and last ?) inbound
Completely forgot the Tandy...
It works great now with this XT CF IDE model. The CF CARD is partitioned and all I have to is installing DOS and Windows 3.1
A peek from the rear of the machine:
I consider the project finished.
Guess that due to a lack of space, the 1000EX will soon have to find a new home.

It works great now with this XT CF IDE model. The CF CARD is partitioned and all I have to is installing DOS and Windows 3.1
A peek from the rear of the machine:
I consider the project finished.
Guess that due to a lack of space, the 1000EX will soon have to find a new home.
- rubber_jonnie
- Site Admin

- Posts: 15150
- Joined: Thu Aug 17, 2017 7:40 pm
- Location: Essex
- Contact:
Re: New (and last ?) inbound
Nice workHigashiJun wrote: Fri Jun 06, 2025 10:29 am Completely forgot the Tandy...
It works great now with this XT CF IDE model. The CF CARD is partitioned and all I have to is installing DOS and Windows 3.1
1.JPG
A peek from the rear of the machine:
2.JPG
I consider the project finished.
Guess that due to a lack of space, the 1000EX will soon have to find a new home.
![]()
Shame it'll have to go to a new home, but I understand. Whoever gets it will have a nice machine.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
- HigashiJun
- Posts: 2405
- Joined: Fri Jun 19, 2020 7:21 am
- Location: Tokyo
Re: New (and last ?) inbound
@rubber_jonnie
Thank you !
Thank you !
- HigashiJun
- Posts: 2405
- Joined: Fri Jun 19, 2020 7:21 am
- Location: Tokyo
Re: New (and last ?) inbound
I guess it won't be a never ending story, but I have just built something new for my Tandy:
Have to flash the EEPROM now and test if everything is all right...
Have to flash the EEPROM now and test if everything is all right...
- rubber_jonnie
- Site Admin

- Posts: 15150
- Joined: Thu Aug 17, 2017 7:40 pm
- Location: Essex
- Contact:
Re: New (and last ?) inbound
NeatHigashiJun wrote: Thu Oct 30, 2025 9:52 am I guess it won't be a never ending story, but I have just built something new for my Tandy:
1.JPG
2.JPG
Have to flash the EEPROM now and test if everything is all right...
Is it some sort of XT IDE type board?
I see it says 4 in 1 board, so what else does it add?
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
- HigashiJun
- Posts: 2405
- Joined: Fri Jun 19, 2020 7:21 am
- Location: Tokyo
Re: New (and last ?) inbound
@rubber_jonnie
It's a 4 in 1 board as you wrote, from Rob Krenicki:
https://github.com/rkrenicki/Tandy-EX-HX-4in1
It adds the following stuff:
- RTC (I have omitted the related parts, since I already have one fitted)
- XT-IDE
- 640 KB RAM
- RS232 serial port
But the most important is it has a passthrough connector, allowing me to fit a VGA card and a sound card.
It's a 4 in 1 board as you wrote, from Rob Krenicki:
https://github.com/rkrenicki/Tandy-EX-HX-4in1
It adds the following stuff:
- RTC (I have omitted the related parts, since I already have one fitted)
- XT-IDE
- 640 KB RAM
- RS232 serial port
But the most important is it has a passthrough connector, allowing me to fit a VGA card and a sound card.
- HigashiJun
- Posts: 2405
- Joined: Fri Jun 19, 2020 7:21 am
- Location: Tokyo
Re: New (and last ?) inbound
The smoke test was OK.
The 640 KB RAM is also recognised... So far so good.
Further tests tomorrow.

The 640 KB RAM is also recognised... So far so good.
Further tests tomorrow.
- rubber_jonnie
- Site Admin

- Posts: 15150
- Joined: Thu Aug 17, 2017 7:40 pm
- Location: Essex
- Contact:
Re: New (and last ?) inbound
Nice little upgrade thatHigashiJun wrote: Thu Oct 30, 2025 11:48 am @rubber_jonnie
It's a 4 in 1 board as you wrote, from Rob Krenicki:
https://github.com/rkrenicki/Tandy-EX-HX-4in1
It adds the following stuff:
- RTC (I have omitted the related parts, since I already have one fitted)
- XT-IDE
- 640 KB RAM
- RS232 serial port
But the most important is it has a passthrough connector, allowing me to fit a VGA card and a sound card.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
- rubber_jonnie
- Site Admin

- Posts: 15150
- Joined: Thu Aug 17, 2017 7:40 pm
- Location: Essex
- Contact:
Re: New (and last ?) inbound
A lack of smoke is always a good resultHigashiJun wrote: Thu Oct 30, 2025 12:31 pm The smoke test was OK.
The 640 KB RAM is also recognised... So far so good.
Further tests tomorrow.
![]()
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...