ע:  
>33汾: ֧3xxx(Matisse) / 4xxx(Renoir) / 5xxx(Vemeer) / 5xxx(Cezanne)
<33汾: ֧1xxx(Summit) / 2xxx(Raven1/2) / 2xxx(Pinnacle) / 3xxx(Picasso) / ֧3xxx(Matisse) / 4xxx(Renoir) / 5xxxCPU(Vemeer)

B1.4G CRB 1.2.0.B Code,  ֧AM4ȫϵCPU
------------------------------------------------------------------------------------------------------------
PICHAUB550MPX_B1.6G.rom (2025/12/04) (CheckSum:B3AA)
1. µµcode.


PICHAUB550MPX_B1.5G.rom (2024/11/26)  (CheckSum:9D15)

1. ֧PXEOperating System Selectѡ.
2. CMOSĬ:2024/10/1



PICHAUB550M_B1.4G.rom (2024/05/16)  (CheckSum-4456)
1.CBR Code1.2.0.B ֧Ryzen1~Ryzen5CPU
2.BIOSҳλʾUUIDϢ
3.CMOSĬ:2024/1/1


PICHAUB550M_B1.3G.rom (2023/11/15) (CheckSum-EB55)
1.MS-Terminator B550M CodeBIOS
2.BIOSĬΪ2023/10/01


PICHAUB550M.003(2023-01-03)(CheckSum-FA81) 

1.BIOSƤ;



PICHAUB550M.002(2022-12-15)(CheckSum-F96D)

1.ĬϿErase fTPM NV for factory reset, ԱCPUʱTPM豸;
  (, TPMCPUԴ, CPU, fTPMʹTPM, 
   ѡ, CPUԺ󿪻ʾǷ) 



PICHAUB550M.001(2022-12-15)(CheckSum-F274) 

1.BIOS for SK;
2.֧897;(֤ͬ662/897)
3.ĬϿTPM;
4.System Fan֧smart fanòĬΪAutoģʽ;
5.֧PBOѡ;(1.B550оƬ֧; 2. Advanced->AMD OverClocking)