/pub/creative/drivers/sbpci:
e512nt4u.exe 991124 SB PCI512 Windows NT4.0 Drivers. SBLW-NTDRV-1-US
e512w9xu.exe 991124 SB PCI512 Windows 95/98 Drivers. SBLW-9XDRV-1-US

(All other files available through http://support.soundblaster.com/files/download.asp)