In the last video on this PC, we upgraded the IBM XT Model 286 to have 8MB of faster RAM to enable multi-tasking.
Back in 1986, IBM deliberately throttled this 286 machine to limit it to 6MHz so that it couldn't compete with the more expensive IBM AT machines. However, last time, we managed to boost the CPU to 8MHz using a new CPU chip and BIOS, but it …
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