13

[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