AC82G41SLGQ3 Datasheet, PDF (344/604 Pages) Intel Corporation – Intel® 4 Series Chipset Family

Intel^® Manageability Engine Subsystem Registers
10.4 Second HECI Function MMIO Space Registers
Table 20.
10.4.1
Second HECI function MMIO Space Register Address Map
Address
Offset
Register
Symbol
Register Name
Default
Value
Access
0–3h
4–7h
8–Bh
C–Fh
H_CB_WW Host Circular Buffer Write Window
H_CSR
Host Control Status
ME_CB_RW ME Circular Buffer Read Window
ME_CSR_HA ME Control Status Host Access
00000000h
02000000h
FFFFFFFFh
02000000h
W
RO, R/W,
R/WC
RO
RO
H_CB_WW— Host Circular Buffer Write Window
B/D/F/Type:
Address Offset:
Default Value:
Access:
Size:
0/3/1/MMIO
0-3h
00000000h
W
32 bits
This register is for host to write into its Circular Buffer (H_CB). The host’s circular
buffer is located at the ME subsystem address specified in the Host CB Base Address
register.
Bit
31:0
Access
W
Default
Value
00000000h
RST/PWR
Description
Core
Host Circular Buffer Write Window Field
(H_CB_WWF): This bit field is for host to write into its
circular buffer. The host's circular buffer is located at the
ME subsystem address specified in the Host CB Base
Address register. This field is write only, reads will return
arbitrary data. Writes to this register will increment the
H_CBWP as long as ME_RDY is 1. When ME_RDY is 0,
writes to this register have no effect and are not delivered
to the H_CB, nor is H_CBWP incremented.
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Datasheet