M464S6453CKS
Rev. 0.1 Feb. 2002
PC133/PC100 SODIMM
SERIAL PRESENCE DETECT INFORMATION
Byte #
Function described
Function Supported
Hex value
Note
-7A
-1H
-1L
-7A
-1H
-1L
35
Data signal input hold time
0.8ns
1ns
1ns
08h
10h
10h
36~61
Superset information (maybe used in future)
-
00h
62
SPD data revision code
Intel 1.2B
12h
63
Checksum for bytes 0 ~ 62
-
D3h
3Ah
6Ah
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)
4
34h
75
Manufacturer part # (Data bits)
Blank
20h
76
...... Manufacturer part # (Data bits)
6
36h
77
...... Manufacturer part # (Data bits)
4
34h
78
Manufacturer part # (Mode & operating voltage)
S
53h
79
Manufacturer part # (Module depth)
6
36h
80
...... Manufacturer part # (Module depth)
4
34h
81
Manufacturer part # (Refresh, #of banks in Comp. & Inter-
5
35h
82
Manufacturer part # (Composition component)
3
33h
83
Manufacturer part # (Component revision)
C
43h
84
Manufacturer part # (Package type)
K
4Bh
85
Manufacturer part # (PCB revision & type)
S
53h
86
Manufacturer part # (Hyphen)
" - "
2Dh
87
Manufacturer part # (Power)
L/C
4Ch/43h
88
Manufacturer part # (Minimum cycle time)
7
1
1
37h
31h
31h
89
Manufacturer part # (Minimum cycle time)
A
H
L
41h
48h
4Ch
90
Manufacturer part # (TBD)
Blank
20h
91
Manufacturer revision code (For PCB)
S
53h
92
...... Manufacturer revision code (For component)
C-die (4th Gen.)
43h
93
Manufacturing date (Year)
-
-
3
94
Manufacturing date (Week)
-
-
3
95~98
Assembly serial #
-
-
4
99~12
Manufacturer specific data (may be used in future)
Undefined
-
5
126
System frequency for 100MHz
100MHz
64h
6
127
Reserved
Detailed PC100 Information
CFh
CFh
CDh
6
128+
Unused storage locations
Undefined
-
5
1. The bank 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 #.
5. These bytes are Undefined and can be used for Samsung’ s own purpose.
6. These values apply to PC100 applications only, per Intel PC66/PC100 SPD standards.
Note :