Here's mine, "Revision A2" - I started "Watching" the auction and an automated offer came through for a lower price (of this "Revision C"), so I did a BIN: https://ibmmuseum.com/Reply/Reply32/Reply32_CPU.jpg
Louis Ohland
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Sep 6, 2021, 6:48:42 PM9/6/21
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Even says "4167" in the socket.
IBMMuseum
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Sep 7, 2021, 5:11:29 PM9/7/21
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> Even says "4167" in the socket.
Seller says he has moar. What was your source for the diagrams years ago, with the later CPU board revision? I don't remember where my unit came from.
Louis Ohland
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Sep 7, 2021, 5:35:47 PM9/7/21
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That was from the Reply 32 that I had, gave it to William Walsh.
I do have a Rev B right here.
Louis Ohland
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Sep 7, 2021, 5:45:47 PM9/7/21
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My Rev B resembles the Rev C.
Two jumpers on the back, but so does REV C
Rev B has a ASSY 050022 10 REV B, back says FAB 04002200 REV A
Rev C has a ASSY 050022 05 REV C, back says FAB 04002200 REV A
Louis Ohland
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Sep 8, 2021, 10:15:26 AM9/8/21
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First errata, I was thinking of my NCR.
Second errata, I meant "patch wires", not jumpers.
BigD
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Sep 27, 2022, 2:46:04 PM9/27/22
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I am the seller of this item and I just found another NOS unit.