Since this has been posted under Windows 98, I presume the hardware is rather old. Usually, any drivers made specifically for Windows XP will work with all of the Service Packs. However, as regards to Windows 7, I highly doubt that the hardware will be supported. There are also probably specific drivers for Windows 7, as there usually are.
It has a Seagate 160 gig (ct-2b82401833uzbl0)