08-07-2021, 09:20 AM
Lenovo T420s v1.46 Modified Bios
- Whitelist removal
- Unlocked AES-NI on "no-encryption" machines
- Unlocked hidden advanced menu
- Unlocked memory speed (supports DDR3 1600 and 1866)
- Disabled package c-state lock at MSR 0xE2 (for Hackintosh)
- Re-signed with custom key to get rid of 5 beeps on boot
https://mir.cr/0VXPBRAA
Filename: ThinkPad T420s_1.46 (8CET66WW)-8cuj24us_NWL_0xE2_AES-NI_RAMSP_ADV_RE-SIGNED.zip
MD5: 49BB1063DF678471580A558D31679DEF
SHA-1: 99327330D5F2C95FFB45AA4AAA05FBC138E51ED2
SHA-256: E212D5643CC6980C5468502E13ABCAAB7CE6D00EF21C3E4AAF32A81D0EBE2DD8
Disclaimer: Flashing the BIOS incorrectly can lead to an unusable system. Flash the BIOS at your own risk.
- Whitelist removal
- Unlocked AES-NI on "no-encryption" machines
- Unlocked hidden advanced menu
- Unlocked memory speed (supports DDR3 1600 and 1866)
- Disabled package c-state lock at MSR 0xE2 (for Hackintosh)
- Re-signed with custom key to get rid of 5 beeps on boot
https://mir.cr/0VXPBRAA
Filename: ThinkPad T420s_1.46 (8CET66WW)-8cuj24us_NWL_0xE2_AES-NI_RAMSP_ADV_RE-SIGNED.zip
MD5: 49BB1063DF678471580A558D31679DEF
SHA-1: 99327330D5F2C95FFB45AA4AAA05FBC138E51ED2
SHA-256: E212D5643CC6980C5468502E13ABCAAB7CE6D00EF21C3E4AAF32A81D0EBE2DD8
Disclaimer: Flashing the BIOS incorrectly can lead to an unusable system. Flash the BIOS at your own risk.