Search found 4 matches

by emmafrost1
21 May 2023, 14:09
Forum: Mice & other input devices
Topic: Mechanical Mice equivalent?
Replies: 8
Views: 29989

Re: Mechanical Mice equivalent?

The link doesn't' look spammy or malicious, it's just a Reddit thread link.
by emmafrost1
21 May 2023, 14:05
Forum: Keyboards
Topic: Old IBM Model M serial numbers
Replies: 8
Views: 2322

Re: Old IBM Model M serial numbers

JP! wrote:
18 May 2023, 23:15
Pulled from my database ;) , an early production Model F AT. I was wondering what this particular ID meant. I didn't believe it to be the 55th unit produced.

AT.jpg
Ah this one is interesting.
by emmafrost1
18 May 2023, 13:39
Forum: Keyboards
Topic: Old IBM Model M serial numbers
Replies: 8
Views: 2322

Re: Old IBM Model M serial numbers

Yes, the letter at the beginning of an IBM Model M serial number does mean something special. The letter indicates the plant where the keyboard was manufactured. A: Lexington, Kentucky B: Chicopee, Massachusetts C: Austin, Texas D: South Carolina E: Japan F: Mexico G: Taiwan H: China So, your keyboa...
by emmafrost1
18 May 2023, 13:37
Forum: Keyboards
Topic: IBM Model M 1390120 weight discrepancy?
Replies: 9
Views: 1837

Re: IBM Model M 1390120 weight discrepancy?

I have three 1986-'87 1390120s. One weighs 5.5 lbs (2495g), one weighs 5 lbs (2268g) and the 3rd one is 4.95 lbs (2245g). All have matte "rainbow" steel backplates. Question, what could account for the weight differences between the 3? The 5.5 and 5 lbs were made only one day apart (May 12 and 13, ...

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