FLOPPY DISK DRIVE SPECIFICATION
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9. OPTION SELECTION
FDD can be modified for different functions than the standard specification. These modifications should be implemented by the factory according to the request of the customers.
9.1 Trace Options
By putting a
Trace Name | Description |
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DS0 | Activate Drive Select 0 line |
DS1 | Activate Drive Select 1 line |
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DC | Activate Disk Change Signal |
RDY | Activate Ready Signal |
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OPA | For 3 Mode usage |
OPB (*1) | For 1.6MB usage |
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<Note>
(*1) Both "OPA" and "OPB" open : 2 Mode (1MB / 2MB)
"OPB" is connected and "OPA" is open : 2 Mode (1MB / 1.6MB)
"OPA" is connected and "OPB" is open : 3 Mode (1MB / 1.6MB / 2MB)
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