Intel E3-1105C AV8062701048800 Data Sheet
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Product codes
AV8062701048800
Processor Configuration Registers
Intel
®
Xeon
®
and Intel
®
Core™ Processors For Communications Infrastructure
Datasheet - Volume 1 of 2
May 2012
160
Document Number: 327405
-
001
11.10
MAD_DIMM_CH1 - Address Decode Channel 1
B/D/F/Type:
0/0/0/MCHBAR_MCMAIN
Address Offset:
5008-500Bh
Default Value:
00600000h
Access:
RW-L
Size:
32 bits
BIOS Optimal Default
00h
This register defines channel characteristics - number of DIMMs, number of ranks, size,
ECC, interleave options and ECC options.
Table 11-12. Address Decode Channel 1 (Sheet 1 of 2)
Bit
Access
Default
Value
RST/
PWR
Description
31:26
RO
0h
Reserved (RSVD)
25:24
RW-L
00b
Uncore
ECC is active in the channel (ECC):
00 =no ECC active in the channel
00 =no ECC active in the channel
01 =ECC is active in IO, ECC logic is not active In
this case, on write accesses the data driven
on ECC byte is copied from DQ 7:0 (to be
used in training or IOSAV)
10 =ECC is disabled in IO, but ECC logic is
enabled (to be used in ECC4ANA mode)
11 =ECC active in both IO and ECC logic
23:23
RO
0h
Reserved (RSVD)
22
RW-L
1b
Uncore
Enhanced Interleave mode (Enh_Interleave):
0 = off
0 = off
1 = on
21
RW-L
1b
Uncore
Rank Interleave (RI):
0 = off
0 = off
1 = on
20
RW-L
00b
Uncore
DIMM B DDR width (DBW):
DBW: DIMM B width of DDR chips
0 = X8 chips
DBW: DIMM B width of DDR chips
0 = X8 chips
1 = X16 chips
19
RW-L
00b
Uncore
DIMM A DDR width (DAW):
DAW: DIMM A width of DDR chips
0 = X8 chips
DAW: DIMM A width of DDR chips
0 = X8 chips
1 = X16 chips
18
RW-L
0b
Uncore
DIMM B number of ranks (DBNOR):
0 = single rank
0 = single rank
1 = dual rank