Registration Account wrote:
John are probably be too young to recall the first Personal Computer was released in the form of PS2 - with advanced architecture called micro channel.
Actually, the PS/2 came later. The first of the "PC" types, was of course the IBM PC, which had an 8088 CPU, running at 4.77 MHz, 16 KB (IIRC) of memory, floppy disks, no hard drive. There was even a cassette port! It was released in Aug 1982. Shortly after, an improved version, the XT came out, which included a hard drive. Next was the AT, which used an 80286 CPU etc. There was also the "Peanut" which was a home version of the PC and didn't do that well.
The because the standard that all clone PC's were designed around. In the early days Clone PC were always boasting as being 100% IBM computable.
In those days all code was written to comply with an IBM PC and later with the clones becoming 100% computable.
I those days we had PC DOS and there were separate versions for a 8088 and 8086 processor.
From a software perspective, there's no difference between an 8088 and
8086. The difference is only in external bus width. Perhaps you're thinking of CP/M, which was originally for the 8080 and Z80 eight bit CPU's.
MS-Dos became the most prolific version of DOS when the Microsoft made significant advertising showing that WINDOWS v2.X would only run IBM or PC DOS.
Yes they sell PC's http://www-304.ibm.com/jct03004c/businesscenter/smallbusiness/us/en/product
and I have worked in IBM ships were that hardware including the Mainframe was IBM - and IBM invented token ring
Actually, IIRC, they got the technology from someone else and then developed it further.
John Andersen wrote:
On Wednesday 13 June 2007, Registration Account wrote:
I have never found 1 dell PC that comes close to being 100% IBM compatible -
Not surprising, since IBM does not make PCs.
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