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<h1 align="Center"> ESS.COM </h1>
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<p> <big><b>ESS.COM:</b></big> <font color="#ff0000">(Only for DosFBB)</font>
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<pre> ESS is an async port driver optimized for FBB software. It can drive either<br>TNC2/PK232/clones or KAM.<br><br> This small device driver is loaded as resident at the beginning of the<br>machine initialization (TSR).<br><br> One ESS handles one serial line and makes use of one IRQ.<br><br> The COM number, the address of the serial interface and the IRQ number are<br>given as parameters appended to the command line. The address should be given<br>as a FOUR digit hex number.<br><br> Example : Install ESS for COM1 at hex 03F8 and using IRQ 4 :<br> ESS 1 03F8 4<br><br> If only the COM number is specified, the address and the IRQ will default to<br>the standard DOS value. Thus ESS 1 would have had the same effect than the<br>example.<br><br> Any address or IRQ number can be specified. Carefully check that the address<br>and the IRQ number match the board you intend to use, special attention<br>should be given to the IRQ number which should not already be used by another<br>peripheral device in the machine. On a PC the IRQ's can not usually be<br>shared.<br><br> Should there be more than one port to handle, several ESS can be cascaded.<br>The IRQ should be different for each ESS, except for the case in which the<br>interrupt sharing is supported by the serial card used.<br><br> Example :<br><br> ESS 1 03F8 4<br> ESS 2 02F8 3<br><br> This sequence will load ESS's for COM1 and COM2.<br><br> ESS accommodates also the muxing arrangement of serial ports.<br><br><b> Version 1.08 of ESS-driver (included with DosFBB distribution)</b>
<b> must be used with the MUX ! </b>
<small><font color="#800000">This page was last updated 17-Apr-99</font></small>
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