Registers
14.3.1.4
FBDS3: FBD Status 3
This register contains copies of bits that were returned by the AMB in the most recent
northbound status frame when the SYNC command R[1:0] field is 2’b11. This can also
be written with an override value that will be returned if selected during SYNC
command.
Device:
NodeID
Function: 1
Offset:
Bit
43h
Att
r
Default
Description
7:6
5
RV
0h
0h
Reserved
RW
OVREN: Use values written by user.
Setting this bit causes the values specified in the lower 5 bits
of this register returned as-is if requested by SYNC command.
4
RW
RW
1h
0h
USRPAR: User Specified parity for USRVAL
USRVAL: User Specified value
3:0
14.3.1.5
MODES: Operating Mode
This register contains overview configuration status of chip.
Device:
NodeID
Function: 1
Offset:
5Ch
Att
r
Bit
Default
Description
7
RO
RO
RO
RO
RV
1
NORMAL:
•
1 = Normal AMB Buffer
6
5
0
0
0
0
LAI:
•
1 = LAI
REPEATER:
•
1 = Repeater
4
TRANSPARENT:
•
1 = Transparent Test Mode
3:0
Reserved
14.3.1.6
FEATURES: Capabilities
This register reports optional capabilities of this DIMM.
Device:
NodeID
Function: 1
Offset:
Bit
60h
Attr
Default
Description
31:15
14:11
RV
RO
0h
Reserved
DDRFREQ: DDR2 frequencies supported
0011
•
•
•
•
1XXX = reserved
X1XX = DDR2-800
XX1X = DDR2-667
XXX1 = DDR2-533
172
Intel® 6400/6402 Advanced Memory Buffer Datasheet
INTEL [ INTEL ]
