M464S3254DTS

Rev. 0.0 Jan. 2002

PC133/PC100 SODIMM

SERIAL PRESENCE DETECT INFORMATION

Byte #

Function described

Function Supported

Hex value

Note

-7C

-7A

-1H

-1L

-7C

-7A

-1H

-1L

35

Data signal input hold time

0.8ns

0.8ns

1ns

1ns

08h

08h

10h

10h

36~61

Superset information (maybe used in future)

-

00h

62

SPD data revision code

Current release Intel spd 1.2B/A

12h

63

Checksum for bytes 0 ~ 62

-

79h

BAh

21h

51h

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)

3

33h

80

...... Manufacturer part # (Module depth)

2

32h

81

Manufacturer part # (Refresh, # of banks in Comp. & inter-

5

35h

82

Manufacturer part # (Composition component)

4

34h

83

Manufacturer part # (Component revision)

D

44h

84

Manufacturer part # (Package type)

T

54h

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

7

1

1

37h

37h

31h

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)

S

53h

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

99~12

Manufacturer specific data (may be used in future)

Undefined

-

5

126

System frequency for 100MHz

100MHz

64h

127

Intel Specification details

Detailed 100MHz Information

CFh

CFh

CFh

CDh

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.

Note :