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1. Introduction
7
Interrupts
The IDE interface normally drives an interrupt to the BIOS for data ready status. This
interrupt may be jumpered to either INTRQ*, INTRQ1*, INTRQ2* (CNTRL*), INTRQ3*,
or IRQx on the backplane. Alternatively, one of five frontplane interrupts may be
selected to provide interrupt support.
2-
1/2
in. or 3-
1/2
in.
IDE Hard Disk
Bus Interface Logic
Interrupts
16-Bit
ZT 8952/53
8- or
16-Bit
Interrupts
Functional Block Diagram
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