Chapter 4: AMI BIOS
4-19
Maximum tREFI Time (tREFI)
This option configures the Maximum tREFI Time (Average Periodic
Refrech Interval). Enter a numeric value. The default is
8316
.
tRFC
This option selects the Minimum Refresh Recovery Delay Time. Enter
a number between 1-9363. The default is
278
.
tRRD
This option selects the Minimum Row Active To Row Active Delay
Time. Enter a number between 1-38. The default is
4
.
tRTP
This option configures the Internal Read to Precharge Command
Delay Time. Enter a number between 1-38. The default is
8
.
tWR
This option configures the Minimum Write Recovery Time. Enter a
number between 1-38. The default is
16
.
tWTR
This option configures the Minimum Internal Write to Read Com
-
mand Delay Time. Enter a number between 1-38. The default is
0
.
NMode
Use this feature to configure the system command rate. The range
is 0-2. Enter 0 for auto, 1 for 1N, and
2 for 2N
.
3rd Timing:
tRPab_ext
This option configures the tRPab_ext. Enter a numeric value. The
default is
0
.
tRDPRE
This option configures the tRDPRE. Enter a numeric value. The
default is
8
.