Tektronix 7A16P Instruction Manual page 91

7 Α 16 Ρ INSTRUCTION
T
ABLE 4-1
7 Α 16Ρ Self Test
H
ang A ddresses
78 Β 6 1 6 - The RAM was
f
illed with ones .
D
ata was
r
ead back
a
nd
complemented, and α non-zero byte was
f
ound . The RAM
i
s
l
eft filled with zeros .
780716 - Any o
nes left from the previous test h angs the 6800
h ere .
78E616 - The RAM failed α p attern-sensitivity test .
790 Β 1 6 - The ΡΙΑ control registers were filled w ith zeroes .
The
r
egisters w ere
r
ead back a nd α o
ne was
f
ound .
792E16 - The ΡΙΑ
r
egisters
f
ailed α
r
ead/write test .
795516 - The high-level ROM (U830) f
ailed α c hecksum test .
796116 - The low-level ROM (U630) f
ailed α
c
hecksum test .
R
E
V
Α
JUN
1979