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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
To convert the teletype's tape reader to not require pulses on the control line in Line mode, move the brown wire on Molex 4 (upper right in this view) from pin 7 to pin 11.
The TT-RAM of an Atari TT. An Atari TT has two kinds of RAM, slower ST-RAM that sits on a 16MHz bus, and faster TT-ram that sits on a 32MHz bus, the same as the CPU. My TT is upgraded to a whopping 16MB of TT-RAM.
Upgrading the RAM was bit of an adventure. I found a description on a forum on how the jumpers should be set. One of the jumpers set the memory type, apparently there are two kinds of SIMM, burst and non-burst IIRC. Burst SIMM were apparently very rare, on the edge of non-existing according to those sources so I expected that jumper to be correctly set to non-burst. But after replacing the SIMMs it wouldn't detect any TT-RAM at all at first! Turns out that the old RAM was of the rarer kind, so after changing the jumper it worked as it should.
Mostra "VINTAGE COMPUTERS" Museo Itinerante Apulia Retrocomputing.
L'annunciata collaborazione con l'Istituto Tecnico Tecnologico "Modesto Panetti" di Bari dà vita ad un primo esperimento consistente nella esposizione di retrocomputers e retroconsoles il giorno 19 gennaio 2014.
On the left, an Apple I - the first computer produced by Apple. On the right, an Altair 8800, the first 'personal computer'.
The Oric-1 Companion by Bob Maunder was published by LINSAC in 1983. It is a reference guide for the more advanced user of the Oric and includes a full ROM disassembly.