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* The TC2048 was designed and produced in Portugal. Basically, the TC2048 is a TC2068 with all the extra hardware removed, except the new ULA, but a normal BASIC ROM (only slightly modified), an RCA phono composite out, and a [[Kempston joystick interface|Kempston]] joystick port (but no +5v as needed by autofire joysticks). | * The TC2048 was designed and produced in Portugal. Basically, the TC2048 is a TC2068 with all the extra hardware removed, except the new ULA, but a normal BASIC ROM (only slightly modified), an RCA phono composite out, and a [[Kempston joystick interface|Kempston]] joystick port (but no +5v as needed by autofire joysticks). | ||
* The TS2068 is an American machine operating at 60Hz on a 110v power supply and generates an NTSC television picture | * The TS2068 is an American machine operating at 60Hz on a 110v power supply and generates an NTSC television picture but with a [[Timex TS1000|TS1000]] (ZX81) compatible expansion bus. | ||
* The TC2068 and TS2068 have RGB signals on their expansion bus. The TC2048 lacks these signals. | * The TC2068 and TS2068 have RGB signals on their expansion bus. The TC2048 lacks these signals. |
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