2-2
Configuring the PKTx Hardware
Publication 1784-UM527B-EN-P - October 2003
Figure 2.1 Overview of the jumpers on the PKT
x
card
Setting a Base Memory Address Jumper
The host computer and the PKT
x
card exchange data via a dual-port interface. The dual-port
requires 4 Kbytes of memory. This 4 Kbyte block of memory begins at the base memory
address assigned to the card by the PCI BIOS when the computer is started.
Under MS-DOS, Windows 3.1 and Windows for Workgroups, the base memory address of
PC cards should fall within the range of 0 and 1 Megabyte of PC memory. For the newer
Windows operating systems, this restriction is no longer required, and the base memory
address should be located anywhere in the PC memory space.
The Base Memory Address jumper (JP2) forces the PCI BIOS to assign the base memory
address to one of two address ranges, as shown in the table below. You should select the
jumper position based on the operating system running on your PC.
Card ID Jumper (JP3)
Base Memory
Jumper (JP2)
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