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7901A
Maintenance
IiO INTERCONNECT PC ASSEMB L Y (07901-80011)
(NOTE~l
J
--
OUT:S~Tl
~
1
)X~13(NOTE1)
-+-<
2 (
SET HEAD AND SECTOR
)
2
>-+--
-+-<
3 (
SET CYLINDER
)
3
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4 (
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)
4
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smm
)
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________________________
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______________________
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8
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9 (
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)
9
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10 (
MULTIPLE SELECT
)
10
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SELECT AND SECTOR PULSE
) 11)---l-
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SELECT AND SECTOR COMPARE
) 12
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SELECT AND ACCESS READY
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SELECT AND DRIVE READY
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R/wDATAl
) 2 1 > - + -
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R/WDATA2
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23
R/W CLOCK A
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NOTE:
1. IN A SINGLE DISC DRIVE XA14 CONNECTS WITH THE CONTROLLER INTERFACE AND XA131S TERMINATED WITH A16.
DWG REV A
IN A MULTIPLE DRIVE GROUP XA14 CONNECTS WITH THE CONTROLLER INTERFACE (IF UNIT 0) OR WITH THE PRECEDING
DISC DRIVE AND XA13 CONNECTS TO THE FOLLOWING DISC DRIVE OR IS TERMINATED WITH A16 (IF UNIT 3).
Figure 5-38. I/O Interconnect PC Assembly A13/A14,
Schematic Diagram
5-53
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