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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