Intel D425 AU80610006252AA ユーザーズマニュアル
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製品コード
AU80610006252AA
Processor Configuration Registers
Datasheet
77
Bit Access Default
Value
RST/
PWR
Description
23 RW/L 0b Core
Rank 3 Population (sd0_cr_rankpop3):
1 - Rank 3 populated
0 - Rank 3 not populated
1 - Rank 3 populated
0 - Rank 3 not populated
22 RW/L 0b Core
Rank 2 Population (sd0_cr_rankpop2):
1 - Rank 2 populated
0 - Rank 2 not populated
1 - Rank 2 populated
0 - Rank 2 not populated
21 RW/L 0b Core
Rank 1 Population (sd0_cr_rankpop1):
1 - Rank 1 populated
0 - Rank 1 not populated
1 - Rank 1 populated
0 - Rank 1 not populated
20 RW/L 0b Core
Rank 0 Population (sd0_cr_rankpop0):
1 - Rank 0 populated
0 - Rank 0 not populated
1 - Rank 0 populated
0 - Rank 0 not populated
19:17 RW 000b Core
CKE pulse width requirement in low phase
(sd0_cr_cke_pw_lh_safe):
This configuration register indicates CKE pulse
width requirement in low phase. Corresponds
(sd0_cr_cke_pw_lh_safe):
This configuration register indicates CKE pulse
width requirement in low phase. Corresponds
to tCKE ( low ) at DDR Spec.
16 RW 0b Core
Enable CKE toggle for PDN entry/exit
(sd0_cr_pdn_enable):
This configuration bit indicates that the toggling
of CKE's (for PDN entry/exit) is enabled.
(sd0_cr_pdn_enable):
This configuration bit indicates that the toggling
of CKE's (for PDN entry/exit) is enabled.
15:14 RO
00b Core
Reserved ()
13:10 RW 0010b Core
Minimum Powerdown exit to Non-Read
command spacing (sd0_cr_txp):
This configuration register indicates the
minimum number of clocks to wait following
assertion of CKE before issuing a non-read
command. 1010-1111=Reserved. 0010-
command spacing (sd0_cr_txp):
This configuration register indicates the
minimum number of clocks to wait following
assertion of CKE before issuing a non-read
command. 1010-1111=Reserved. 0010-
1001=2-9clocks. 0000-0001=Reserved.
9:1 RW
00000000
0b
Core
Self refresh exit count
(sd0_cr_slfrfsh_exit_cnt):
This configuration register indicates the Self
refresh exit count. (Program to
255). Corresponds to tXSNR/tXSRD at DDR
(sd0_cr_slfrfsh_exit_cnt):
This configuration register indicates the Self
refresh exit count. (Program to
255). Corresponds to tXSNR/tXSRD at DDR
Spec.
0 RW 0b Core
indicates only 1 DIMM populated
(sd0_cr_singleDIMMpop):
This configuration register indicates the that
only 1 DIMM is populated.
(sd0_cr_singleDIMMpop):
This configuration register indicates the that
only 1 DIMM is populated.