SC1041_SAIL_PDP-6_hardware_log_1968-01

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[notebook page] 7 [Printout taped to page] .A DTA DTA4 ASSIGNED

.RUN DTA4 LISPXY 32 [note to right]2nd Reloc. Lisp ?TRANSMISSION ERROR [up arrow] C

.RUN DTA4 LISPXY 32 [not to right]5min [up arrow]C

.RUN DTA4 LISPXY 32

ALLOC ?

LOAD ? [end taped printout] Bruce Buchanan

1130 Jan 9, 1968

System has been down [-?] 10 min. Manfred tried to restart the system at 140 & 143 after discovering a parity error. This didn't work. I reloaded the system witth Handwaver after trying 16K DECDUMP. There is no information on where the parity error was. J. Gleason

1630 9 Jan 68

Called J. Gonzales to come & work on TTY s. He said he will be here about 1900 10 Jan 68 SRR

1645 9 Jan 68

Started testing III DISPLAYS found 1 buned [burned?] out Keybd code lamp

[Printout taped to page] CORE PARITY ERROR, LOCATION 000000024535 OPND = 256000004534 DATE = 000641047065 TIME = 1648:39

[Note on printout] 9 JAN 68 Core 1 SRR [end printout]

Last edit over 3 years ago by Soazdrmm
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[notebook page] 8

1815 9 Jan 68

Tried III displays. Could get no video. DP appeared to run all right / Keybord works, / has burned out light others not tested. No video on any of 3 consoles tested

SRR

1845 9 Jan 68

QI Works with the following exceptions bit 2 in DATAI (H.V. off flag) does not come on although the same flag does come on in [CGN I?] [as bit 27?] bit 25 does not always reset in QI

Lou

[printout taped to page] UINS5 [hand written] 2325 9 Jan 68 [hand written] . INST C [AC] C [AC & 1] C [E] 'X\E

230 505232513240 147340244436 466533277126 000242607333 766411147416 466533277126 CORRECT ANS MB AR MQ 466533277126 000000000000 505232513240 TIME MB AR MQ FE SC DATA

NEG 466533277126 272545264540 000000000000 000 733 000 DST1 272545264540 272545264540 466533277126 000 733 000 DST2 466533277126 000000000000 272545264540 000 733 000 DS 1 0B 43353SX[ARROW UP]C

SRR[hand written] [end of printout]

2360 9 Jan 38

Ran tests on Scotchlite Dectape Drive, Found funny light colored lines on the dectape after running for 10 min. 30 min of running did not make data errors that were detected. SRR

Last edit over 3 years ago by Soazdrmm
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[notebook page] 9

09 JAN 68

RAN MAGTST FOR 2+ HOURS WITH NO DETECTED ERRORS. RPC

[printout taped to page] CORE PARITY ERROR , LOCATION 000000105333 OPND = 202654000000 PC = 750000105334 INSTR = 262600000015 DATE = 000641052045 TIME -= 0832:23 CORE 3[handwritten] 10 JAN 68 [handwritten] [up arrow]C SRR [handwritten] [end of printout

10 JAN 68 1145

Running Disk (LIBRASCOPE) IN Test Run For Check On Read Errors. R.E.D. (LIBRASCOPE)

After 1.5 Hours - No Errors. Recorded this Pattern On All Disk Surfaces 000000000 001111111 Positioned Temp Recorder In [Thermottors?] Place. If Possible DO Not USe One Of The Following Data Band Sets. 0-40138-142 Or 1-5-139-143. RE Douglas (Librascope)

2020 10 Jan 68

Put LIBRASCORE IN READ ONLY Self TEST. SRR

Last edit over 3 years ago by Soazdrmm
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[stamp]10[/stamp]

[written] 10 JAN 68 - 2-45 PM

BUTTON 28 OF SPACE WAR

BUTTON STICKS OFF AND ON

[signed]Raj[/signed]

10 Jan 68 1700 QI War works [signed]Lou.[/signed]

10 Jan 68 TTy 4 kybod contacts TTy 1 replaced kybod reset lever TTy 2 cleaned kybod contacts Console TTy adjusted type box clutch and selector Clutch completed P.M. [signed]Jen Gonzales[/signed] [/written]

[code printout] CORE PARITY ERROR, LOCATION 000000162566 OPND = 521252525673 PC = 350000000003 INSTR = 201000000011 DATE = 000641053462 TIME = 2045:45 [/code printout] 10 JAN 68 core 2

[code printout] CORE PARITY ERROR, LOCATION 000000056341 OPND = 000014635463 PC = 350000000003 INSTR = 201000000011 DATE = 000641053571 TIME = 2153:28 [/code printout] 10 JAN 68 core 1

Last edit over 4 years ago by heidimarie
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CORE SA's Margins with High Speed Memory Checker Board

"0" Not Checked "1" +10/-10 "2" +10/-10 "3" +9.5/-10

Rack 1 B,C,D,E // Prog 16K CBD -9/+10 // CORE 3 Rack 1 L,M // Prog 16K CBD -10/+10 // CORE 3 Rack 2 H,J,K,L // Prog 16K CBD -10/+10 //CORE 3 Rack 6684 // Prog 16K CBD -2.8/+7.8 //CORE 3

In Core 3 current readings IL131-IL133 Amp 4.5 ma // duration 640ns/1280ns IL147-IL149 Amp 2.2 ma // duration 1380 - 1440 ns

2L // upper // write 1 // Amp 250 ma // duration 560 ns 2L // upper // write 2 // Amp 250 ma // duration 600 ns 2L // upper // write 3 // Amp 250 ma // duration 540 ns 2L // upper // write 4 // Amp 250 ma // duration 600 ns

2L Lower Read 1-4 250 ma 600 ns

Ran mechanical margins on all modules and connectors in CORE 3 Found 2 marginal balun boards in 1 and 3 in 1K. Erasing the boards and working them in and out several times cured all of them. Core 3 is in good shape.

SRR

Last edit 6 months ago by Khufu
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