27

[notebook page 23]

07:50 1/15/68
Found system had died at 12:43 this morning.
System would not start using 16K DEC DUMP. Used
Hand Waver to Re-initialize system.
J. Gleason

[printout taped to page]
CORE PARITY ERROR, LOCATION 000000051552 OPND = 000057777777
PC = 350000040152 INSTR = 602000400000
DATE=000641076157 TIME=0942:35 Core 2 [handwritten]
10:46 1/15/68 [Fred Parifund?]
[end printout]

11:00 1/15/68 Line Printer is inserting
spurious line feeds into listings.
GLS

1155 15-Jan-68
Found disk saying "read error". Band=133₁₀,
TRK=2, SAR=23₈, INHIBIT READ COMPARE,
UNIT REPEAT, TRK SET REPEAT, READ. FAST (OFF LINE)
TEMP=90°. All relevant indicators are
functioning. Recoverable. Turned off TRK,
SET REPEAT. Read error, Band=130₁₀, TRK=0,
SAR=160₈. Recoverable. Read error, Band = 89₁₀,
TRK=0, SAR=57. Recoverable. Read error,
Band=130₁₀, TRK=0, SAR=63. Recoverable.