Stone
10k Member
Maybe 1503206Do you by any chance have the part number for the original keyboard?
Maybe 1503206Do you by any chance have the part number for the original keyboard?
Bill,
Are you saying none of the original 5150s came w/ TWO IBM branded 160KB drives?
Maybe 1503206
Is an 83 key model an F? 'Cause that's what I've got.
Yes. But Bill seemed to imply there were multiple model numbers for the Model F.
I've had a bunch of PC and AT keyboards apart for cleaning and repairs and they are both labeled model F on the inside. I tink all of the keyboards pre-M were model Fs. I have also seen a terminal keyboard that was a model F, and some kind of 122 key model F.
I've had a bunch of PC and AT keyboards apart for cleaning and repairs and they are both labeled model F on the inside. I tink all of the keyboards pre-M were model Fs. I have also seen a terminal keyboard that was a model F, and some kind of 122 key model F.
The only way that I know of to differentiate the first keyboards from later ones of the same model F models is either look at the chips inside of the keyboard for date stamp (never did this before), or look at the box the keyboard came in. The first keyboard boxes I think do not have "Made in Singapore" printed on them.
Another thing I forgot to mention...the original box's packing foam varies from later 5150's. The original foam was green I believe.
There would also be the original docs/paperwork. We're getting really picky here but you asked!
Photos:
http://vintagecomputer.net/ibm/5150/5150_A/
...A set of rev 1 "A" model 5150 photos, by serial number.
Pics of 5150 16-64K machines with mostly original parts.
Here is my list of what to look for in an original IBM 5150
1) no circle "B" on the back of the chassis
2) serial number sticker placement
3) number of screws in the chassis - model A's have two (?) less than the model with circle B / 64-256K mobo
4) power supply is black and runs silently
5) the controller cards or card jack covers are painted black
6) The original cards (asychronous communications adapter, parallel adapter (monochrome display), parallel printer adapter, external storage adapter, green disk drive card, IEEE 488 card, some others)
7) 16-64K motherboard
8) Tandon 100-1a disk drives, only one drive with original drive bay cover, no drives with two original drive bay covers. / cassette cable or Getting Started cassette.
9) ROMS match
10) DOS 1.1 or 2.00, CP/M 86, UCSD Pascal (MARCH museum has this version of Pascal on display)
11) Getting Started disk or cassette
12) original version keyboard. Some of the later PC's keyboards had different part number.
There is an original 5150 at the MARCH museum in Wall NJ @infoage, one of the earliest known, and some pictures in the link above are of this machines.
MOST PEOPLE UPGRADED THEIR ORIG 5150 configuration over time, it's rare to find an IBM PC with everything original/stock. Does that matter is up to you.