Intel C2338 FH8065501516761 数据表
产品代码
FH8065501516761
Intel
®
Atom™ Processor C2000 Product Family for Microserver
September 2014
Datasheet, Vol. 2 of 3
Order Number: 330061-002US
391
Volume 2—SMBus 2.0 Unit 2 - PECI—C2000 Product Family
PECI Proxy Commands
17.7.1
Ping()
Ping() is a required message for all PECI devices. This message is used to enumerate
devices or determine if a device has been removed, been powered-off, etc. A Ping()
sent to a device address always returns a non-zero Write FCS if the device at the
shows the Ping PECI Proxy Block Write
shows the Ping PECI Proxy Block Read format.
Table 17-8. Ping - 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
0x04
Byte 1
SMBUS-PECI
Handshake
Control
0x00
Byte 2
PECI Client
Address
PECI Command
0x30
Byte 3
PECI Write
Length
0x00
Ping() command has
no command code
• Write Length =
0x00
• Read Length =
0x00
Byte 4
PECI Read
Length
0x00