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84 CPCI-7806/CPCI-7806RC Pentium/Celeron M Universal CompactPCI Single Board Computer
Publication No. 500-657806-000 Rev. G
E.3.5 Broadcast Get Device ID
This is a broadcast version of the “
Get Device ID
” command that is provided for
the discovery of Intelligent Devices on the IPMB. It is only specified for use on the
IPMB.
The response for a Broadcast ‘
Get Device ID
’ is the same as that returned for a
‘
Get Device ID
’ command.
E.3.6 Master-Write-Read
This command can be used for low-level I
2
C/SMBus write, read, or write-read
accesses to the IPMB or private buses behind the management controller.
Table E-7 NetFn 0x06, Cmd 0x08
Byte
Value
Data Field
Comments
Request-data
- -
Response-data 1
00h
Completion code
2
XXh
node
3
XXh
node
4
XXh
node
5
XXh
node
6
XXh
node
7
XXh
node
MS byte
8
XXh
clock seq low
9
XXh
clock seq high and reserved
MS byte
10
XXh
time high and version
11
XXh
time high and version
MS byte
12
XXh
time mid
13
XXh
time mid
MS byte
14
XXh
time low
15
XXh
time low
16
XXh
time low
17
XXh
time low
MS byte
Table E-8 NetFn 0x06, Cmd 0x52
Byte
Value
Data Field
Comments
Request-data
1
XXh
Bus ID:
[7:4] channel number
[3:1] bus ID, 0-based
[0] bus type
0 = public (IPMB)
1 = private bus
This byte can take one of
following three values,
depending on which bus will be
used:
0x0 = I
2
C0 (IPMB)
0x3 = I
2
C1 (CPCI-SMB)
0xf = I
2
C2 Local 1
2
C
2
XXh
Slave Address
[0] - reserved
3
XXh
Read count – number of bytes to
read 1 based, 0 = no bytes to read.
4:N
Data to write