31

OverviewTranscribeVersionsHelp

Here you can see all page revisions and compare the changes have been made in each revision. Left column shows the page title and transcription in the selected revision, right column shows what have been changed. Unchanged text is highlighted in white, deleted text is highlighted in red, and inserted text is highlighted in green color.

6 revisions
Soazdrmm at Sep 20, 2020 11:18 PM

31

[notebook page] 27

1454 1/15/68 Ted Panofsky
[printout taped to page]
CORE PARITY ERROR, LOCATION 000000051551 OPND = 400077777777
PC = 350000040152 INSTR = 602000400000
DATE = 000641076756 TIME = 1541:53
[handwritten note] Core 1
[end of printout

1545 1/15/68
Ran tests to find prob. with line printer. Found
that if format tape was replaced, bug went away.
Concluded that lamps are getting dim so small hole
mis-alignments cause errors. Printer now works
fine but will have to have lamps replaced soon.
Ted Panofsky

1546 1/15/68 Ted Panofsky
[printout taped to page]
CORE PARITY ERROR, LOCATION 000000051522 OPND = 000014673567 PC=350000037431 INSTR = 200553020257
DATE = 000641076761 TIME = 1544:44
[handwritten note]Core 2
[end of printout]

Jan 15, 1968 15:50
The other day (Sat. I believe) observed
that moving DTA6 manually coincided
with transmission error on DTA0.
I suspect it happened again on DTA3 today.
This and 2 above in [K. Pingle's?] prog. which was using TV.
[unreadable signature]

[printout taped to page]
CORE PARITY ERROR, LOCATION 000000051522 OPND = 000057777777
PC =350000040152 INSTR = 602000400000
DATE = 000641076773 TIME = 1554:19
[handwritten note]Core 2
[end of printout

31

1454 1/15/68 Ted

Core Parity Error, Location 000000051551 OPND=400077777777 PC=350000040152 INSTR=602000400000 Date=000641076756 Time=1541:53

Core 1

1545 1/15/68

Ran tests to find prob. with line printer. Found that if format tape was replaced, bug went away. Concluded that lamps are getting dim so small hole mis-alignments cause errors. Printer now works fine but will have to have lamps replaced soon.

Ted Panofsky

1546 1/15/68 Ted Panofsky

Core Parity Error, Location 000000051522 OPND=000014673567 PC=350000037431 INSTR=200553020257 Date=000641076761 Time=1544:44

Core 2

Jan 15, 1968 15:50

The other day (Sat. I believe) observed that moving OTA6 manually coincided with transmission error on OTA0. I suspect it happened again on OTA3 today. This and 2 above in [K. Angle's] prog. which was using TV.

[unreadable signature]

Core Parity Error, Location 000000051522 OPND=000057777777 PC=350000040152 INSTR=602000400000 Date=000641076773 Time=1554:19

Core 2