Unpack the Zip to a directory. In XP plug in the IrDA unit, select "no" to checking the internet and point the directory containing the unzipped files. The driver is not digitally signed by MS so you will have to click "Continue" when prompted.
The following files are found inside the driver download file.
|MEGer.ex_||45.1 KB||8 Oct 2004|
|SF62098.cab||1.3 KB||8 Oct 2004|
|SF62098.cab/sf620-98.inf||2.9 KB||11 Aug 2004|
|SF620ME.cab||1.3 KB||8 Oct 2004|
|SF620ME.cab/sf620-me.inf||2.9 KB||11 Aug 2004|
|SF620XP.cab||1.7 KB||8 Oct 2004|
|SF620XP.cab/sf620-2000xp.inf||4.5 KB||11 Aug 2004|
|sf-620.sys||16.0 KB||8 Oct 2004|
|sf620-2000xp.inf||4.5 KB||8 Oct 2004|
|sf620-98.inf||2.9 KB||8 Oct 2004|
|sf620-me.inf||2.9 KB||8 Oct 2004|