Hardware/Software Interface
Page 77
Command GETREV_WORD4
5.4.1.12
Board Controller Mode
This command allows determining if the CPU is operated as a master or slave.
Table 50.
BMC API – Board controller mode command
Command BOARD_MODE
Opcode:
0x84
Packet Type:
PT_RWD
Bit
7
6
5
4
3
2
1
0
Data 0
Firmware Revision Verification Marker (LSB)
Data 1
Firmware Revision Verification Marker (MSB)
Command
Packet Type
Opcode
Functional Description
BOARD_MODE
PT_RBD
0x8B
Get board controller mode (Master/
Slave)
Opcode:
0x8B
Packet Type:
PT_RBD
Bit
7
6
5
4
3
2
1
0
Data
BOARD_CTRL_MODE
Bit Field
Description
BOARD_CTRL_MODE
Board controller mode
0x00
: Invalid
0x01
: Master
0x02
: Slave
0xFF
: Error