Internet Data Sheet
HYS[64/72]T[32/64/128]xx0HU-[25F/2.5/3/3S/3.7/5]-B
Unbuffered DDR2 SDRAM Module
Product Type
Organization
256MB
256MB
512MB
512MB
×64
×64
×64
×64
1 Rank (×16) 1 Rank (×16) 1 Rank (×8) 1 Rank (×8)
Label Code
PC2– PC2– PC2– PC2–
4200U–444 4200U–444 4200U–444 4200U–444
JEDEC SPD Revision
Rev. 1.2
HEX
Rev. 1.2
HEX
Rev. 1.2
HEX
Rev. 1.2
HEX
Byte#
Description
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
Product Type, Char 3
54
33
32
30
30
30
48
55
33
2E
37
42
20
20
20
20
4x
xx
xx
xx
54
33
32
39
30
30
48
55
33
2E
37
42
20
20
20
20
2x
xx
xx
xx
54
36
34
30
30
30
48
55
33
2E
37
42
20
20
20
20
4x
xx
54
36
34
39
30
30
48
55
33
2E
37
42
20
20
20
20
2x
xx
Product Type, Char 4
Product Type, Char 5
Product Type, Char 6
Product Type, Char 7
Product Type, Char 8
Product Type, Char 9
Product Type, Char 10
Product Type, Char 11
Product Type, Char 12
Product Type, Char 13
Product Type, Char 14
Product Type, Char 15
Product Type, Char 16
Product Type, Char 17
Product Type, Char 18
Module Revision Code
Test Program Revision Code
Module Manufacturing Date Year
Module Manufacturing Date Week
xx
xx
xx
xx
95 - 98 Module Serial Number
99 - 127 Not used
xx
xx
xx
xx
00
FF
00
FF
00
FF
00
FF
128 -
255
Blank for customer use
Rev. 1.3, 2006-12
69
03292006-6GMD-RSFT