Years ago (I sure the MSFN thread is still there), I installed 98SE on an eMachines W3629. While setting up 98SE, I ran into some troubles getting all the hardware to work. Well, after searching and searching on Google, I finally came across this site (URL may be different than it was back then):
http://www.windows98.xf.cz/
A dude going by Rayer (maybe XRayer) had put together a package of drivers (in some cases it only updates the name in the Device Manager). It's the intelinf.zip file. I used it and it helped get me going, but I later found that I could use Intel's actual INF installer for Win 2K/XP to update those devices. I had to extract it using 7-zip, go in to the Device Manage and manually point it to the folder.
Here's an older version of that that still mentions Win2K (thinking an older version might be better, 98SE after all):
Here's the latest non-beta, official last version of 7-zip for 98SE:
https://www.7-zip.org/a/7z920.exe
Regarding that package from Rayer... As mentioned at his site and if you dig up that old thread where I was setting up the w3629, LoneCrusader picked up the package and updated it further.
at Rayer's site, it's the intel_inf_94.zip file, you could check MSFN to see if it's been updated further...
For now, my advice, for what it's worth:
I'd install 7-zip, extract the files from the exe I've attached and see if you can update driver for any 'Unknown Devices'. I'd then try to update pretty much everything in the Device Manager (
EXCEPT USB stuff) by choosing update drivers and pointing to that folder.
If you can get more stuff up and going, I might do a clean install run the exe I gave you in the earlier post, install the drivers for everything except the network card, update drivers using the directions above (after extracting), rebooting when needed, then install the network card driver. Then if needed/wanted check LoneCrusader's packages.
This is just kinda a general suggestion, I obviously don't know what specific issues you may encounter.