
video option -05  from late model (B06- S/N) Tek 2465A 
video trigger board p/n 671-1340-05:
PLCC chip markings:
signetics 27c64a-20 A
220B2169105KA
W5
587901
filename TEK-160-5879-01-W5.HEX
checksum EC16 (tested in scope)

Logic Board ROM from late model (B06- S/N) Tek 2465A 
PLCC chip markings:
signetics 27c64a-20 A
22027089014KA
587500
filename TEK-160-5875-00.HEX
checksum DFCA (verified from second source)

Dallas NV SRAM conetents from 2465A, checksum is valid on my hardware,
with -05 option bit set.
filename 1225Y-9220.hex
checksum E7A4 (verified checksum ok in running scope)

Main logic board EPROM
Filename TEK-160-5877-02-AE34.hex
Checksum AE34 (verified good)


