Intel SE7525GP2 Product Specification - Page 115

Messaging Interfaces

Page 115 highlights

Intel® Server Boards SE7320SP2 and SE7525GP2 Platform Management 5.2.3.1 Private Management I2C Buses The mBMC implements a single private management bus. The mBMC is the sole master on this bus. External agents must use the mBMC Master Write/Read I2C command if they require direct communication with a device on this bus. In addition, the mBMC provides a Reserve Device command that gives an external agent exclusive access to a specific device for a selectable time. 5.2.4 Messaging Interfaces This section describes the supported mBMC communication interfaces: ƒ Host SMS interface via SMBus interface ƒ LAN interface using the LAN On Motherboard SMBus 5.2.4.1 Channel Management The mBMC supports two channels: ƒ System interface ƒ 802.3 LAN Table 48. Supported Channel Assigments Channel Id Media type 1 802.3 LAN 2 System Interface Interface IPMB 1.0 IPMI-SMBus Supports Sessions Multi sessions Session-less 5.2.4.2 User Model The mBMC supports one anonymous user (null user name) with a settable password. The IPMI command to set the password is supported. 5.2.4.3 Request/Response Protocol All of the protocols used in the host interface and the LOM interface are Request/Response protocols. A Request Message is issued to an intelligent device, to which the device responds with a separate Response Message. Revision 4.0 103

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184

IntelĀ® Server Boards SE7320SP2 and SE7525GP2
Platform Management
Revision 4.0
103
5.2.3.1
Private Management I
2
C Buses
The mBMC implements a single private management bus. The mBMC is the sole master on this
bus. External agents must use the mBMC
Master Write/Read I
2
C
command if they require direct
communication with a device on this bus. In addition, the mBMC provides a
Reserve Device
command that gives an external agent exclusive access to a specific device for a selectable
time.
5.2.4
Messaging Interfaces
This section describes the supported mBMC communication interfaces:
Host SMS interface via SMBus interface
LAN interface using the LAN On Motherboard SMBus
5.2.4.1
Channel Management
The mBMC supports two channels:
System interface
802.3 LAN
Table 48. Supported Channel Assigments
Channel Id
Media type
Interface
Supports
Sessions
1
802.3 LAN
IPMB 1.0
Multi sessions
2
System Interface
IPMI-SMBus
Session-less
5.2.4.2
User Model
The mBMC supports one anonymous user (null user name) with a settable password. The IPMI
command to set the password is supported.
5.2.4.3
Request/Response Protocol
All of the protocols used in the host interface and the LOM interface are Request/Response
protocols. A Request Message is issued to an intelligent device, to which the device responds
with a separate Response Message.