Intel C2550 FH8065401488912 数据表
产品代码
FH8065401488912
Intel
®
Atom™ Processor C2000 Product Family for Microserver
September 2014
Datasheet, Vol. 2 of 3
Order Number: 330061-002US
401
Volume 2—SMBus 2.0 Unit 2 - PECI—C2000 Product Family
PECI Proxy Commands
Table 17-16. WrPkgConfig() 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
{0x0B,
0x0C,
0x0E}
N = {0x0b, 0x0c, 0x0e}
value is determined by the
number of PECI Write Data
bytes transmitted in
Byte[13:10] on the SMBus.
N Value:
N Value:
• 0x0b = 1 data byte
• 0x0c = 2 data bytes
• 0x0e = 4 data bytes
• 0x0c = 2 data bytes
• 0x0e = 4 data bytes
Byte 1
SMBus-PECI
Handshake
Control
0x01
Value = 0x01
• Assured Write (AW)
Frame-Check Sequence
(FCS) is not required.
However, to maintain
compatibility included is
the AW space for the
byte per PECI
specification.
Byte 2
PECI Client
Address
PECI
Command
0x30
Byte 3
PECI Write
Length
{0x07,
0x08,
0x0A}
Refer to later Section
Byte 4
PECI Read
Length
0x01
Byte 5
WrPkgConfig()
Command Code
0xA5
Byte 6
Host ID and
Retry
0x00
Byte 7
Index
See
for the supported
capabilities and their Index,
Parameter, and Data
Structure information.
Byte 8
Parameter (LSB)
Byte 9
Parameter (MSB)
Byte 10
PECI Data 1
(LSB)
Byte 11
PECI Data 2
Byte 12
PECI Data 3
Byte 13
PECI Data 4
(MSB)
Byte 14
AW FCS Byte
0x00
Dummy to maintain
compatibility with PECI
specification.