IBM Intel Xeon E5606 49Y3772 User Manual

153

Unlike MbxSend(), no Assured Write protocol is necessary for this command because 
this is a read-only function.

The MbxGet() format is as follows:

Write Length: 2

Read Length: 5

Command: 0xd5

Multi-Domain Support: Yes (see 

Description: Retrieves response data from mailbox and unlocks / releases that 
mailbox resource.

Note that the 4-byte data response defined above is sent in standard PECI ordering 
with LSB first and MSB last.

 Response Data[31:0]

Byte #

Byte 

Definition

0

Client Address

1

Write Length

0x02

2

Read Length

0x05

10

FCS

3

Cmd Code

0xd5

11

Completion

Code

5

6

LSB

MSB

5

6

4

Transaction ID

10

11

5

6

8

9

7

10

FCS

11

Aborted Write FCS Response data is not ready. Command retry is appropriate.

 0x40

Command passed, data is valid

 0x80

Error causing a response timeout. Either due to a rare, internal timing condition or a 

processor RESET condition or processor S1 state. Retry is appropriate outside of the 

RESET or S1 states.

 0x81

Thermal configuration data was malformed or exceeded limits.

 0x82

Thermal status mask is illegal

 0x83

Invalid counter select

 0x84

Invalid Machine Check Bank or Index

0x85

Failure due to lack of Mailbox lock or invalid Transaction ID

0x86

Mailbox interface is unavailable or busy