IBM System/34 Maintenance Manual page 148

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o
Dedicated Cable to Drive A
-Missing Sector Pulse
-Control Sample
-Interface Driver De-gate
-Index
-Sector
-Data Select
-Write
-Read
-Write Data
-Fast Sync
-Reset Error
-Write Clock
-Read Clock
-Interrupt
+NRZ Data
Bus Cat;>le to Drive A
-Tag Bus 3 lines
To Adapter
From Adapter
From Adapter
To Adapter
To Adapter
From Adapter
From Adapter
From Adapter
From Adapter
From Adapter
From Adapter
To Adapter
To Adapter
To Adapter
To Adapter
A-A2C2 and A-A2D2 (common adapter)
These cards are connected by four top
card connectors (see Note).
A-A2
---
• -Tag Parity 1 line
-Control Bus Slines
From Adapter
From Adapter
From and to Adapter • • • • • • • • • •
~
L
From and to Adapter
-Control Sample 1 line To Adapter
Received
or Dedicated Cable to Drive B (if attached)
Dedicated Cable to Drive C (if attached)
Dedicated Cable to Drive D (if attached)
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33
Top Card Connector
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rn
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Note:
The top card connectors on the common adapter
are not interchangeable with the top card connectors
on the line printer, work station, or 1255 magnetic
character reader attachments.
10-200
62PC Disk Drive 41
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