Here are some well known manuals :
PC2 Owner’s manual
(108 pages, english)
Printer owner’s manual
(114 pages, english)
RS232C owner’s manual
(64 pages, english)
Quick reference card
Tandy PC2 manuals
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Category Archives: 1-Pocket computers
Tandy a full system closed to Sharp one.
Most of you better know the Sharp system. Why ?
Maybe because Tandy/Radio shack didn’t follow Sharp along the years for this pocket computer.
Here is the Tandy system :
We know some PC-3, PC-4… but the PC-2 is still at the PC-1500 step.
I don’t know exactly why…
Someone can help me with this item ?
I already presented the PC-2.
To be precise I presented one version of the machine.
Yes, you really read “one version”, maybe the third one.
On the picture you can see lot of blue straps and a IC named “SC613128” with “A03”.
We know it’s the firmware revision. Then A03 seems to be the third.
Does someone have the first and the second ? Uh… that sounds mysterious…
I have the fourth !
As you see, no blue straps on the CPU board.
In fact it’s exactly closed to the PC-1500 evolution.
But… one moment please…
With some friends we had a really interesting discuss about Tandy and Sharp.
Like the chicken and the egg … which came first?
After reading this first article you have more questions than answers, isn’t it ?
– who have the versions one and two ???
– who can answer the chicken/egg question ???
The Tandy clone revue
Most of us really know much about the Sharp PC-1500.
But only a few know the Tandy PC2 system.
It is a complete system with peripherals, software and supplies.
This will be the subject of next articles.
Say connected !
PTA-4000+16
It’s another under license production by Hiradas Technika.
Do you use the module port to expand memory ? Yes ! 16KB more with CE-161
But they don’t !
Their PTA-4000+16 is nothing but a PC-1500 with a self made 16KB memory board inside.
Crazy, no ?
Stupid ! The module port has being removed and it’s door is glued.
Look at the buzzer… it’s now on the CPU side.
PTA-4000
Most of you don’t know that Sharp PC-1500 was produced in Hungary.
Hiradas Technika, HT, had a licence for a clone : the PTA-4000.
It’s a PC-1500 with e cheap pouch ! Only flat plastic.
The board is really the PC-1500
TRS-80 PC2
Radio Shack decided to sell the PC-1500 with it’s own face.
Look at the keys, they are perfectly ordered !
But i don’t think it’s very useful.
The CPU board is not different.
PC-1500A
And now the updated version arrives in USA and Europe.
With it’s dark brown paint you can make the difference.
PC-1501
Now there is enough memory : the PC-1501 is a really usable system.
The display board is new, with the expanded memory.
PC-1500
The European and USA version released in 1982.
The board is final, the production runs !
PC-1500 Japan
Family’s first, born in 1981.
You can see the Katana codes near the keys.
They are only available with CE-157 or after loading CE-156 tape.
You can see many straps on these early boards.
Was it a design problem ? Production problem ?
