13

The main reason for Compaq's longer-term success in the PC market, in comparison to IBM, is what is commonly referred to as the "First-mover advantage". In the beginning of the PC market, IBM actually held a monopoly position. As we know, in a couple of years, Compaq and others would challenge this by creating legal PC BIOS clones and bringing compatible ...


13

I personally have never seen the attraction of a 'portable' that weighs more than many desktop machines, but my feelings on the matter are immaterial; the fact is that the market at the time was hungry for such machines, and the Compaq sold very well. They were the solution for people without a fixed office, or moving locations. Not the constant moving ones ...


12

In a double-sided drive, there are two heads which are necessarily closely spaced, facing both sides of the thin magnetic-coated disc once it is inserted. The concern would have been that the heads could collide with each other if the drive was jarred. However, the drive designs I'm familiar with have a mechanism to hold the heads and drive spindle away ...


5

Which makes it surprising that the IBM portable PC flopped; it looks to me like essentially the same product, only with the IBM nameplate; I would expect this to be an attractive proposition for the business computing market in the eighties. Rod Canion (Founding CEO of Compaq) did an interview with Guy Raz a couple years ago, and this is one of the key ...


5

One definite advantage of the Compaq Portable over the IBM 5155 is that it had a video card and display that could render text at MDA resolution, with 14 pixel rows per character, and still support CGA graphics modes. The 5155 used a stock CGA with 8 pixel rows per character in all modes. This meant that for someone working in text mode with the built-in ...


3

In the video you linked (at 01:12), I notice that this device has the standard yellow and white connectors for composite video and audio. Many cheap portable LCD TVs support this kind of input, and are often battery powered, too.


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