BIOS Setup Manual
8
Channel
Interleaving
Enables channel memory interleaving. Options include:
Disabled
, A
DDRESS
BITS
6, A
DDRESS
BITS
12, R
ESERVED
, XOR
OF
A
DDRESS
BITS
[20:16, 6], XOR
OF
A
DDRESS
BITS
[20:16, 9].
Enable Clock to
All DIMMs
Use this setting to enable unused clocks to all DIMMs, even if some DIMM slots
are unpopulated. Options are E
NABLED
and
Disabled
.
Mem Clk Tristate
C3/ALTVID
Use this setting to E
NABLE
or
Disable
memory clock tristate during C3 and ALT
VID.
Memory Hole
Remapping
When E
NABLED
, this feature enables hardware memory remapping around the
memory hole. Options are
Enabled
and D
ISABLED
.
CS Sparing
Enable
Use this setting to E
NABLE
or
Disable
the CS Sparing function.
DCT Unganged
Mode
This allows selection of unganged DRAM mode (64-bit width). Options are
Auto
(Ganged Mode) and A
LWAYS
(unganged mode).
Power Down
Enable
Enable
or D
ISABLE
DDR power down mode.
Power Down
Mode
Set DDR power down mode to
Channel
or C
HIP
S
ELECT
.
X
ECC Configuration
ECC Mode
DRAM ECC allows hardware to report and correct memory errors automatically.
Options are
Enabled
and D
ISABLED
.
• 4-Bit ECC Mode – Allows you to enable 4-bit ECC mode (also known as
ECC Chipkill). Options are E
NABLED
and
Disabled
.
• DRAM Scrub Redirect – Allows the system to correct DRAM ECC errors
immediately, even with background scrubbing on. Options are E
NABLED
and
Disabled
.
• DRAM BG Scrub – Corrects memory errors so later reads are correct.
Options are
Disabled
and various times in nanoseconds and
microseconds.
Alternate VID
Specifies and alternate VID while in low power states. Options are
Auto
and
various voltages between .8V and 1.115V.
Memory Timing
Parameters
Allows the user to select which CPU Node's timing parameters (memory clock,
etc.) to display. Options are
CPU Node 0,
CPU N
ODE
1, CPU N
ODE
2 and CPU
N
ODE
3.
X
DRAM Timing Configuration
Memory Clock
Mode
Set the Memory Clock Mode. Options are
Auto
, L
IMIT
and M
ANUAL
.
DRAM Timing
Mode
Set the DRAM Timing Mode. Options are
Auto
, DCTO, DCT1 and B
OTH
.
Table 7. NorthBridge Configuration submenu (Continued)
Menu Option
Description
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