Separate names with a comma.
Lenovo K4 Note (A7010A48)
Lenovo Vibe Z2 mini (K920 mini) schematic
Aspire C20-220 BIOS PACRL/BOLTON195a-CRZ // 348.04302.0011
no see any update for kodel this, here is CPU AMD check chipset.
Lenovo S660
only schematic, you can buy one VIP and can downloads Account Upgrades
https://vinafix.com/threads/hp-elitebook-820-g4-bios-6050a2854201-mb-ax1.31274/
yes, https://vinafix.com/resources/how-to-discrete-to-uma-a1286-2011-2012.1276/
Lenovo S60T S60T H101_MB.pdf S60T H102_MB.pdf S60T PCB layout.pdf
Lenovo K30-T
Lenovo Vibe X3 (X3c50)
https://vinafix.com/threads/e1-572-54201g20dnii-v5we2-la-9532p-1a.7924/
Lenovo Vibe Shot Z90-3
Lenovo S930
Lenovo S899T S899t MB_P3_V1.pdf S899t SUB_P2_V1 pcb layout.pdf S899t SUB_P2_V1.pdf S899t SUB_P3_V1 pcb layout.pdf
Unavailable
LS2224A
you need send old bios original, or try one BIOS new.
More details I do not understand, can provided more photo, viode...