The Solaris x86 driver updates can be obtained by HTTP from:
http://access1.sun.com/drivers/driverMain.html
http://sunsite.unc.edu/pub/sun-info/solaris-x86/sunsoft-drivers
The Solaris x86 driver updates can be obtained by anonymous ftp from:
ftp.uu.net:/vendor/sun/solaris/
sunsite.unc.edu:/pub/sun-info/solaris-x86/sunsoft-drivers