deeptenk2
Moderator
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) <-- fixed.
- Disabled package c-state lock at MSR 0xE2 (for Hackintosh)
- Re-signed with custom key to get rid of 5 beeps on boot
Filename: ThinkPad T420s_1.46 (8CET66WW)-8cuj24us_NWL_0xE2_AES-NI_RAMSP_ADV_RE-SIGNED.zip
MD5: 639357CD2BB3566D8DDDA620961D8792
SHA-1: 804B35448ABE3950D50C987CF192A5A8E7268F8F
SHA-256: 013F9ECF1621749E14361EDF8386615F78CAFDB1EBD00517A6E56C18CE17579F
Disclaimer: Flashing the BIOS incorrectly can lead to an unusable system. Flash the BIOS at your own risk.
Original Bios link https://download.lenovo.com/pccbbs/mobiles/8cuj24us.EXE
- Whitelist removal
- Unlocked AES-NI on "no-encryption" machines
- Unlocked hidden advanced menu
- Unlocked memory speed (supports DDR3 1600 and 1866) <-- fixed.
- Disabled package c-state lock at MSR 0xE2 (for Hackintosh)
- Re-signed with custom key to get rid of 5 beeps on boot
Filename: ThinkPad T420s_1.46 (8CET66WW)-8cuj24us_NWL_0xE2_AES-NI_RAMSP_ADV_RE-SIGNED.zip
MD5: 639357CD2BB3566D8DDDA620961D8792
SHA-1: 804B35448ABE3950D50C987CF192A5A8E7268F8F
SHA-256: 013F9ECF1621749E14361EDF8386615F78CAFDB1EBD00517A6E56C18CE17579F
Disclaimer: Flashing the BIOS incorrectly can lead to an unusable system. Flash the BIOS at your own risk.
Original Bios link https://download.lenovo.com/pccbbs/mobiles/8cuj24us.EXE