HP 12606B Operating And Service Manual page 62

Table 6. Mnemonics Used in "Disc Controller
Schematic No. D12606-9001-S
ABS
ABT
B
BC
. B,{j-3
BSY
Abort Store
Abort
Buffer
Bit Clock, Negative True
Bit Counter
Busy
CB Control Bit
CFL Obsolete. Now CLF, Clear Flag Signal
CLC Clear Control
C LF Clear Flag Signal
CRS Control Reset
DE
DE
DES
DI
D¢-16
DR
DW
EOS
FLG
HC
HC
I¢-16
100
101
IAL
lOG
IAH
0,{j-16
PON
R
RP
RPE
RDY
RUN
RWC
RY
RI
12606-9001
Decode Error
Decode Error, Negative True
Decode Error Store
Direction Flip-Flop (set output true for write)
Data (Shift) Register
Data Read (Serial)
Data Write (Serial)
End Of Sector
Flag Signal
Head Change
Head Change, Negative True
Input Buffer Register
l/OOutput
I/O Input
Obsolete. Now SCL, Select Code, Least Significant bit
Input/Output Group
Obsolete. Now SCM, Select Code, Most Significant bit
Output Buffer Register
Power On Pulse
Read, Negative True
Read Parity
Read Parity Error
Ready
Run
Obsolete. Now BC, Bit Clock, Negative True
Disc Ready (up to speed), Negative True
Read Inhibit, Negative True
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