Intel C2550 FH8065401488912 数据表
产品代码
FH8065401488912
Volume 2—SMBus 2.0 Unit 2 - PECI—C2000 Product Family
PECI Proxy Commands
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 2 of 3
September 2014
408
Order Number: 330061-002US
Table 17-22. WrEndPointConfig() PECI Proxy Block Write
SMBus
Function
Value
Data
Source
Comment
Slave
Address
(Write)
Write Address
SMBus
Command
0x4C
BMC
Command
Code
PECI Mode
Command Code
0x62
Byte Count
N
Control Data
{0x0D,
0x0E,
0x10}
Byte 1
SMBus-PECI
Handshake
Control
0x01
Always set the value of Byte 1
to 0x01.
Byte 2
PECI Client
Address
PECI
Command
0x30
Byte 3
PECI Write
Length
{0x09,
0x0A,
0x0C}
Refer to later section.
Byte 4
PECI Read Length
0x01
Byte 5
WrEndPointConfig
() Command
Code
0xC5
Byte 6
Host ID & Retry
0x00
Byte 7
SoC Sideband
Port
0x04
Sideband Port
• 0x04 = P-Unit
All other values return an
error.
Byte 8
Register Byte 1
(LSB)
Address
Port 04 offset. Valid offset
values are:
• 0x0080 through 0x008E
• 0x00B2
• 0x00B2
0x00B4 through 0x00C2
Byte 9
Register Byte 2
Byte 10
Register Byte 3
Byte 11
Register Byte 4
(MSB)
Byte 12
PECI Data 1
(LSB)
Data = 1, 2,
or 4 bytes
Sidebaoperation.
Byte 13
PECI Data 2
Byte 14
PECI Data 3
Byte 15
PECI Data 4
(MSB)
Byte 16
AW FCS
0x00
Always set the value of Byte
16 to 0x00.