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First computer
After viewing the ITCrowd website and seeing their Sinclair ZX81 I had to let out a snigger. My machines better than theirs.
Here's a back shot. Note the 10V DC power supply.
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Optimus-branded Pentium-class PC, 300 MHz, 128 MB RAM, Soundblaster sound card, DOS 6.22, Duke Nukem 3D + Philips monitor, PS/2 keyboard and mouse
This is a closeup of the MMC2IEC device. It is plugged into the SERIAL port, and there is a connector to the cassette port for +5V.
What lurks under the trapdoor of my ancient A1200!
Going by the date codes on the chips, this was made in 1994.
Product of "Phase 5 Digital Products" in Frankfurt, Germany
The coin cell is rechargeable to keep the RTC ticking ...