BIOS BMC Interface
RMCP OEM Command Packet Format
Field Size (Byte) Content
RMCP Header
Version 1 0x06
Reserved 1 0x00
Sequence 1 0xFF for no RMCP ack
Class of Message 1 0x08 for OEM defined
RMCP OEM
Command Header
IANA 4 0x00001C4C for quanta
Group 1 0x05 for upgrade BIOS firmware
Command 1 0x00
Xmodem
Data
Start 1 SOH
Sequence 1 0x00h ~ 0xFFh
Complement 1 0xFFh – Sequence
Data 128 or 1024 Payload
CRC16 2 CRC16, LSB
Chapter 4 — BMC
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