Intel Xeon X3460 BX80605X3460 User Manual

Product codes
BX80605X3460
Page of 296
Intel® Xeon® Processor 3400 Series Datasheet, Volume 2
219
Processor Uncore Configuration Registers
4.7.8
MC_CFG_LOCK
5:4
RW
0
MAXNUMBANK
Max Number of Banks
00 = Four-banked
01 = Eight-banked
10 = Sixteen-banked
3:2
RW
0
MAXNUMRANK
Maximum Number of Ranks
00 = Single Ranked
01 = Double Ranked
10 = Quad Ranked
1:0
RW
0
MAXNUMDIMMS
Maximum Number of DIMMs
00 = 1 DIMM
01 = 2 DIMMs
10 = 3 DIMMs 
11 = Reserved
Device:
3
Function: 0
Offset:
68h
Access as a DWord
Bit
Attr
Default
Description
31:2
RO
0
Reserved
1
WO
0
MC_CFG_UNLOCK 
Unlocks Integrated Memory Controller configuration registers without 
processor reset. This bit does NOT unlock any other lock type without a 
processor reset.
0
WO
0
MC_CFG_LOCK 
Locks Integrated Memory Controller configuration registers. Writes are no 
longer allowed to the configuration registers.
Device:
3
Function: 0
Offset:
64h
Access as a DWord
Bit
Attr
Default
Description