32 Intel® Xeon® Processor E5-1600/E5-2600/E5-4600 Product Families
Datasheet Volume One

An example Ping() command to PECI device address 0x30 is shown below.

2.5.2.2 GetDIB()

The processor PECI client implementation of GetDIB() includes an 8-byte response and

provides information regarding client revision number and the number of supported

domains. All processor PECI clients support the GetDIB() command.

2.5.2.2.1 Command Format

The GetDIB() format is as follows:

Write Length: 0x01

Read Length: 0x08

Command: 0xf7

Figure 2-3. Ping()

Byte #
Byte
Definition
0
Client Address
1
Write Length
0x00
2
Read Length
0x00
3
FCS

Figure 2-4. Ping() Example

Byte #

Byte

Definition

0

0x30

1

0x00

2

0x00

3

0xe1

Figure 2-5. GetDIB()

Byte #
Byte
Definition
0
Client Address
1
Write Length
0x01
2
Read Length
0x08
4
FCS
3
Cmd Code
0xf7
5
Device Info
6
Revision
Number
7
Reserved
8
Reserved
9
Reserved
10
Reserved
11
Reserved
12
Reserved
13
FCS