If you need to activate Vista (or maybe Windows 7) please check to see if your bios is on this list. Microsoft is using SLP 2.0 (System Locked Preinstallation) technology for activation process of OEM (Original Equipment Manufacturer) edition of Windows Vista on branded PC. One of the requirement to activate Windows Vista with OEM product key is the existance of SLP public key and SLP marker which stored in SLIC table in ACPI. If you have older motherboard with no updated BIOS with SLIC table, the BIOS has to be patched or hacked to add in SLIC table plus OEMID and OEMTableID. The original instruction to add in SLIC information involves method to replace an existing ACPI description table, which may affect some functionalities of computer. Now there is improved way to actually add in SLIC table into BIOS ACPI module, without replacing any existing tables. Improved Way to Add SLIC (SLP 2.0) Table into BIOS ACPI to Activate Windows Vista OEM A new way to crack or bypass Windows Vista activation is by installing OEM version of Vista on your PC. However, Windows Vista OEM activation needs a new table named SLIC in ACPI module of computer BIOS, and new values in RSTD table, as part of SLP 2.0 (System-Locked Preinstallation). If your motherboard or BIOS ACPI module does not contains the SLIC table, you will need to modify or patch the BIOS to add in the table , plus set a correct OEM ID and OEM Table ID that match the corresponding OEM digital certificate. After modification, you can install Windows Vista with OEM product key and has Windows Vista activated instantly without the need to activate online, as if your Vista system is OEM version that comes preinstalled in branded computer such as HP, Dell, Lenovo, Acer and etc. Almost all motherboard BIOS can be modified to add in the necessary value needed in SLP2.0. The following guide is based on popular Award BIOS, which is commonly used in DIY or self-build PC or system builder motherboard. For a successful Windows Vista activation, four aspects have to be present: 1. OEMID and OEMTableID inside BIOS's ACPI RSDT table. 2. SLP Public Key (PubKey) and SLP Marker inside BIOS's ACPI SLIC table. 3. OEM product key - listed below in the instructions. 4. Microsoft's signed OEM digital certificate. MORE HERE http://www.unlockingmodems.com/discussion-forum-off-topic/543-activate-vista-windows7-drivers-bios-windows-all-slics.html i found this and is how I act. my version of win7
