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Thread: IBM PC AT 5171 and 5167 monitor???

  1. #1

    Default IBM PC AT 5171 and 5167 monitor???

    I am not drunk! What to hell is this? Never heard about these numbers.

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    IBM PC 5150(A): IBM PC 5150(B): IBM PC 5160 (64-256k): IBM PC 5160 (256-640k): IBM PC 5170 (099): IBM PC 5170 (319/339): IBM PC 5140: IBM PC 5162: IBM PC 5155: IBM PC Expansion Unit 5161:
    WANTED!: IBM 5175 monitor, IBM 5145 monitor, IBM PC/XT/AT rear screws, Intel INBOARD 386AT card, IBM 5140 keyboard, very early IBM PC (S/N: under 5000)
    My IBM PC hardware collection

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    The 5171 is listed as the TEMPEST variant of the 5170. Note all the extra metal mesh covering the drives which should reduce the amount of emissions so no one can snoop on the operations.

  4. #4

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    Quote Originally Posted by Al Kossow View Post
    There is not one word about number 5171 there
    IBM PC 5150(A): IBM PC 5150(B): IBM PC 5160 (64-256k): IBM PC 5160 (256-640k): IBM PC 5170 (099): IBM PC 5170 (319/339): IBM PC 5140: IBM PC 5162: IBM PC 5155: IBM PC Expansion Unit 5161:
    WANTED!: IBM 5175 monitor, IBM 5145 monitor, IBM PC/XT/AT rear screws, Intel INBOARD 386AT card, IBM 5140 keyboard, very early IBM PC (S/N: under 5000)
    My IBM PC hardware collection

  5. #5

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    Quote Originally Posted by krebizfan View Post
    The 5171 is listed as the TEMPEST variant of the 5170. Note all the extra metal mesh covering the drives which should reduce the amount of emissions so no one can snoop on the operations.
    Some source about it? I didnt find anything about "5171" and "5167" monitor
    IBM PC 5150(A): IBM PC 5150(B): IBM PC 5160 (64-256k): IBM PC 5160 (256-640k): IBM PC 5170 (099): IBM PC 5170 (319/339): IBM PC 5140: IBM PC 5162: IBM PC 5155: IBM PC Expansion Unit 5161:
    WANTED!: IBM 5175 monitor, IBM 5145 monitor, IBM PC/XT/AT rear screws, Intel INBOARD 386AT card, IBM 5140 keyboard, very early IBM PC (S/N: under 5000)
    My IBM PC hardware collection

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    Quote Originally Posted by romanon View Post
    Some source about it? I didnt find anything about "5171" and "5167" monitor
    http://bitsavers.org/pdf/ibm/pc/IBM_..._4.0_Sep88.pdf page 153 shows the 5167-001 as TEMPEST Mono Display and 5171-168 as PC/AT Tempest. Someone didn't take security seriously.

    The next page shows that the 3270PC was 5271 and 3270PCAT was 5273. The document shows a few other interesting albeit rare IBM models like the PC/AT G/GX which was available with a 19" monitor.

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    Quote Originally Posted by krebizfan View Post
    The 5171 is listed as the TEMPEST variant of the 5170. Note all the extra metal mesh covering the drives which should reduce the amount of emissions so no one can snoop on the operations.
    Really... I need to check mine then. I have 2 TEMPEST 5170's that both appear new in box. I took one apart, and it definitely has extensive shielding, not to mention an extra hole in the front (I was told by other members of our club that it was probably used with some sort of Syquest drive).

    ***EDIT***

    I checked my TEMPTEST AT, and it's still a 5170, so it's possible 5171 could've been an IBM build. Mine says ITC IBM AT on it. I also have a shell only that says ITC PC-XT-T (and I've seen a TEMPEST IBM RT-PC as well), but I believe ITC was a different vendor in the 80s.
    Last edited by pkhoury; December 15th, 2019 at 09:15 PM.
    IBM Computers: 5150 (16-64K, 64-256K), 5160, 5161, 5162, 5170 (regular and Tempest), Option 370 16 bit, PC Convertible
    PS/2 Machines: 30, 40SX, 50Z, 55SX, 60, 70, 77 (Lacuna & Bermuda), 80, 85, 90 XP, 95, "E"
    Vintage ThinkPads: 300, 360C/CE, 510CS, 560/E, 600E/X, 701C/CS, 700, 720C, 730TE (tablet), 750C/P (color and tablet models), 755C/CE/CD/CDV/CX, 760ED, 765L, 770
    Vintage UNIX workstations: 2/120, 3/75, 3/60, SS 2/5/20, U2 Ent, HP 715/100, several RS/6000s

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    I found these pages about the PCAT Tempest in the 'PC Family Service Information manual'
    Attached Images Attached Images
    Last edited by mikey99; December 16th, 2019 at 07:29 AM.

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    Quote Originally Posted by romanon View Post
    What to hell is this?
    Take some pictures of the boards inside, or at least take a picture of the back so I can see the slots.
    The short one next to the disk controller is probably the adapter for a 122key 3270/PC keyboard.
    It should have two 9 pin connectors.

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