IBM 5114 Maintenance Information Manual page 87

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..... Bus In
Device
Drive 3 and 4
Address
Bus
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+ Start
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Execute
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-
~
Bus Out Parity Check
Machine Check
Device Address
Parity Check
-Get Strobe
-Control Strobe
Put Strobe
-Op Code E
Interrupt Req 2
Reset
Control
Read
Buffer
Address
Decode
Parity
Check
....---
OR
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Status
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Write
Buffer
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Rd/Wr
I-
and
Head
Control
I -
Command
Decode
~ ~
+Current Enable or +Erase Current Sense .....---
+ Index
+ Diskette 2 Sense
r - -
+ File Data
VFO
I--
Serdes ~
+ Write Data
and
Control
Diskette
Control
Card
+ Head Engage
+ Select Hd 1
+ Inner Tracks
+ Inner Tracks Sel
+ Write Gate
+ Erase Gate
f -
+ Access 0
Access
+ Access 1
Control + Access 2
+ Access 3
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