http://www.android-x86.org/releases/releasenote-4-0-rc1We create targets optimized for different x86 platforms. Choose a suitable image for your platform.
android-x86-4.0-RC1-amd_brazos.iso for AMD Brazos platform, like MSI 110W.
sha1sum: 0afc3528472d8acfdf27c32fcb3a02e33b6d3466
android-x86-4.0-RC1-eeepc.iso for ASUS Eee PC family
sha1sum: ccf56cbc277244b571c17bb0939ab116cf0ddce1
android-x86-4.0-RC1-asus_laptop.iso for some ASUS Laptops/Tablets
sha1sum: 0d2d52b3ca179248e01f4a02f744a317476ca009
android-x86-4.0-RC1-tegav2.iso for Tegav2 / Viewpad 10
sha1sum: 58c28b7cfb73a5dc651c5510aabd75b6cd8ad2f9
android-x86-4.0-RC1-s103t.iso for Lenovo S10-3t tablet
sha1sum: 39c3ec35adc8ca00ed17ef1a48907443899dd68f
The iso files are hybrid format. That means you can dump the iso into a usb drive and get a bootable usb stick, like