The Machine Room is Back!
This is the recovered Machine Room from 2005. Please don't expect wonders. The look and feel of this site is nine years
old, and so is its code. Some of the functionality has been recovered while the rest of
the site is modernised and restructured. Watch this space!
A 1981 IBM PC shows off its Selectric-like keyboard and its monochrome monitor, blissfully unaware of its future as a home computer.
IBM 5150, also known as the IBM PC (among other names that are best not
Pretty common, though not many of the original motherboards are left
alive. Most 'IBM PCs' alive today are, in fact, IBM XTs.
Microsoft was approached to provide the newborn 5150 with an operating
system and software in general. Gary Kildall, Digital Research's
founder and author of the CP/M operating system was also approached by
IBM to exclusively provide software for the new machine, but he didn't
show the expected interest. Rumour here has it that Gary was out
flying his plane and didn't want to talk to the IBM suits, but this is
just that: rumour. It's a commonly reoccuring thread in the newsgroup
There's loads of trivia for the IBM PC. Expect more soon (better yet,
mail me with some)!
This is an IBM case with all the connotations. heavy, big desktop case. Made
of black-painted steel and with a white and grey plastic and metal top, this
case can survive anything. In fact, many have. The case has two black plastic
blanking plates where floppy drives may be installed as an option (though most
of the machines depicted in IBM ads actually had two floppy drives). There is
an IBM-like Big Red Power Switch at the far end of the right side of the unit
(so you really have to try to turn it on).
The case sports various openings to allow air circulation. At the rear, there
are six metal blanking plates that cover the machine's six expansion
slots. There are also three circular openings for DIN-type plugs. One is for
the keyboard; the other for the tape recorder (yes, Pentium owners: tape
recorder). The third is normally covered and is there for future
expansion. Typically, when installing a third, external floppy drive, this
would serve as a mount for the floppy's power plug. The left third of the rear
panel of the IBM PC is occupied by the power supply (a noisy critter) with its