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To install a non-PnP device on a specific COM port (that is, COM2), you must first disable that port in the system's CMOS settings in order to avoid a device conflict. If not, the system might try to allocate that resource to some other device, since it has no way of knowing that the non-PnP device requires it.
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Friday, April 25, 2008
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The monitor's signal cable plugs into the 3- row, 15-pin female D-shell connector on the back of the video adapter card.
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Thursday, April 24, 2008
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The original Centronics interface employed a 36-pin D-shell connector at the adapter and a 36-pin Centronics connector at the printer end. The IBM version of the interface, which became known as the Standard Parallel Printer (SPP) port specification, reduced the pin count to 25 (DB-25M) at the computer end of the cable.
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Thursday, April 24, 2008
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Parallel I/O devices (such as a printer) plug in to a DB-25F connector located on an expansionslot cover or mounted directly in the back panel.
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Thursday, April 24, 2008
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The first or Primary IDE controller is assigned IRQ14 while the Secondary controller uses IRQ15 to interrupt the system. The I/O port address for the second IDE controller is 170h- 177h. For a detailed listing, consult Table 3.3: I/O Port Addresses.
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Thursday, April 24, 2008
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