IBM Intel Xeon E5606 49Y3772 User Manual
Product codes
49Y3772
Intel
®
Xeon
®
Processor 5600 Series Datasheet Volume 1
151
Thermal Specifications
This capability may not be available on all products. To enumerate availability, users
may issue an Energy Accumulator Read command. Products that return a passing
completion code support the command.
may issue an Energy Accumulator Read command. Products that return a passing
completion code support the command.
7.3.2.7
MbxSend()
The MbxSend() command is utilized for sending requests to the generic Mailbox
interface. Those requests are in turn serviced by the processor with some nominal
latency and the result is deposited in the mailbox for reading. MbxGet() is used to
retrieve the response and details are documented in
interface. Those requests are in turn serviced by the processor with some nominal
latency and the result is deposited in the mailbox for reading. MbxGet() is used to
retrieve the response and details are documented in
.
The details of processor mailbox capabilities are described in
many of the fundamental concepts of Mailbox ownership, release, and management are
discussed in
discussed in
7.3.2.7.1
Write Data
Regardless of the function of the mailbox command, a request type modifier and 4-byte
data payload must be sent. For Mailbox commands where the 4-byte data field is not
applicable (e.g., the command is a read), the data written should be all zeroes.
data payload must be sent. For Mailbox commands where the 4-byte data field is not
applicable (e.g., the command is a read), the data written should be all zeroes.
Because a particular MbxSend() command may specify an update to potentially critical
registers inside the processor, it includes an Assured Write FCS (AW FCS) byte as part
of the write data payload. In the event that the AW FCS mismatches with the client-
calculated FCS, the client will abort the write and will always respond with a bad Write
FCS.
registers inside the processor, it includes an Assured Write FCS (AW FCS) byte as part
of the write data payload. In the event that the AW FCS mismatches with the client-
calculated FCS, the client will abort the write and will always respond with a bad Write
FCS.
7.3.2.7.2
Command Format
The MbxSend() format is as follows:
Write Length: 7
Read Length: 1
Command: 0xd1
Description: Deposits the Request Type and associated 4-byte data in the Mailbox
interface and returns a completion code byte with the details of the execution results.
Refer to
interface and returns a completion code byte with the details of the execution results.
Refer to
Figure 7-28. MbxSend() Command Data Format
Byte #
Byte
Definition
0
Request Type
1
Data[31:0]
2
3
4