16 reserved register – AMD Geode LX [email protected] User Manual
Page 235
AMD Geode™ LX Processors Data Book
235
GeodeLink™ Memory Controller Register Descriptions
33234H
6.2.2.15 Page Open Status (MC_CFPG_OPEN)
6.2.2.16 Reserved Register
This register is reserved and should not be written to.
MSR Address
2000001Eh
Type
RO
Reset Value
00000000_0000FFFFh
MC_CFPG_OPEN Register Map
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
RSVD
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RSVD
PGOPEN1
PGOPEN0
MC_CFPG_OPEN Bit Descriptions
Bit
Name
Description
63:16
RSVD
Reserved. Reads back as 0.
15:8
PGOPEN1
Page Open DIMM 1. Page open indication of the second DIMM. Each bit position repre-
sents a page and a 1 indicates an open page. All pages are initialized ‘open’. After reset,
a ‘precharge all’ command closes all the banks.
7:0
PGOPEN0
Page Open DIMM 0. Page open indication of the first DIMM. Each bit position represents
a page and a 1 indicates an open page. All pages are initialized ‘open’. After reset, a ‘pre-
charge all’ command closes all the banks.
MSR Address
2000001Fh
Type
RW
Reset Value
00000000_00000000h