![](http://datasheet.mmic.net.cn/200000/M390S1723DTU-C7A_datasheet_15080370/M390S1723DTU-C7A_12.png)
M390S1723DTU
Rev. 0.1. Sept. 2001
PC133/PC100 Low Profile Registered DIMM
Byte #
Function Described
Function Supported
Hex value
Note
-7C
-7A
-1H
-1L
-7C
-7A
-1H
-1L
35
Data signal input hold time
0.8ns
1ns
08h
10h
36~61
Superset information (maybe used in future)
-
00h
62
SPD data revision code
Intel Rev 1.2B
12h
63
Checksum for bytes 0 ~ 62
-
9Fh
E0h
47h
77h
64
Manufacturer JEDEC ID code
Samsung
CEh
65~71
...... Manufacturer JEDEC ID code
Samsung
00h
72
Manufacturing location
Onyang Korea
01h
73
Manufacturer part # (Memory module)
M
4Dh
74
Manufacturer part # (DIMM Configuration)
3
33h
75
Manufacturer part # (Data bits)
Blank
20h
76
...... Manufacturer part # (Data bits)
9
39h
77
...... Manufacturer part # (Data bits)
0
30h
78
Manufacturer part # (Mode & operating voltage)
S
53h
79
Manufacturer part # (Module depth)
1
31h
80
...... Manufacturer part # (Module depth)
7
37h
81
Manufacturer part # (Refresh, #of banks in Comp. & Interface)
2
32h
82
Manufacturer part # (Composition component)
3
33h
83
Manufacturer part # (Component revision)
D
44h
84
Manufacturer part # (Package type)
T
54h
85
Manufacturer part # (PCB revision & type)
U
55h
86
Manufacturer part # (Hyphen)
" - "
2Dh
87
Manufacturer part # (Power)
C
43h
88
Manufacturer part # (Minimum cycle time)
7
1
37h
31h
89
Manufacturer part # (Minimum cycle time)
C
A
H
L
43h
41h
48h
4Ch
90
Manufacturer part # (TBD)
Blank
20h
91
Manufacturer revision code (For PCB)
U
55h
92
...... Manufacturer revision code (For component)
D-die (5th Gen.)
44h
93
Manufacturing date (Year)
-
3
94
Manufacturing date (Week)
-
3
95~98
Assembly serial #
-
4
99~125
Manufacturer specific data (may be used in future)
Undefined
-
126
System frequency for 100MHz
100MHz
64h
127
PC100 specification details
Detailed PC100 Information
8Fh
8Dh
128+
Unused storage locations
Undefined
-
1. The row select address is excluded in counting the total # of addresses.
2. This value is based on the component specification.
3. These bytes are programmed by code of Date Week & Date Year with BCD format.
4. These bytes are programmed by Samsung
′s own Assembly Serial # system. All modules may have different unique serial #.
Note :