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Chapter 9.7 ESDI External Fixed Disk Drive Controller Board

Switch settings for the 1:1 Interleave Buffered ESDI External Fixed Disk Drive

Controller Board are listed in Table 9-17. The board is shown in Figure 9-7.

Table 9-17. 1:1 Interleave Buffered ESDI External Fixed Disk Drive Controller

Board (Assy No. 001091)

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Switch Setting Status Function

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1 ON Secondary Address Selects controller address.

2 OFF (default) Primary Address

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2 and 3 OFF/OFF IRQ15 Selected Selects power up default

ON/OFF IRQ14 Selected interrupt for the board.

OFF/ON IRQ12 Selected

ON/ON IRQ11 Selected

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Compaq Compaq Portable II Guida alla Risoluzione dei Problemi Pagina 159