Why are the A and R series numbering screwed up?

R, A, G and Z series specific matters only
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Thinkpad4by3
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Why are the A and R series numbering screwed up?

#1 Post by Thinkpad4by3 » Mon Jul 17, 2017 3:37 pm

1: Ok, so there is the T20,X20, and A20. Why is it the R30?

2: If the first digit updates then a new CPU comes out it. The second digit updates when a new revision comes out.
T20:P3
T30:P4M
T40:P4

A20:P3
A30:P3????
A31:P4M???

What were they thinking???

Oh, and that doesnt even count how messed up the 300 series machines are with the 310 coming out 5 years after the 300 and 320. But thats for the Legacy Section
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ajkula66
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Re: Why are the A and R series numbering screwed up?

#2 Post by ajkula66 » Mon Jul 17, 2017 5:31 pm

Thinkpad4by3 wrote:
Mon Jul 17, 2017 3:37 pm
1: Ok, so there is the T20,X20, and A20. Why is it the R30?
That was the first R series which was released pretty much when T2x generation was reaching EOL.
2: If the first digit updates then a new CPU comes out it. The second digit updates when a new revision comes out.
T20:P3
T30:P4M
T40:P4

A20:P3
A30:P3????
A31:P4M???

What were they thinking???
Why do you keep on referring to T4x series as being powered by P4M ? Not a single one ever was.

As to what they were thinking...I'm sure someone around here knows the story behind the numbers game, but I'm not that one.





Oh, and that doesnt even count how messed up the 300 series machines are with the 310 coming out 5 years after the 300 and 320. But thats for the Legacy Section
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