Internet Data Sheet
HYS[64/72]T[32/64/128]xx0HU–[3/3S/3.7/5]–A
Unbuffered DDR2 SDRAM Modules
4
SPD Codes
This chapter lists all hexadecimal byte values stored in the EEPROM of the products described in this data sheet. SPD stands
for serial presence detect. All values with XX in the table are module specific bytes which are defined during production.
List of SPD Code Tables
•
•
•
•
•
•
Table 28 “HYS[64/72]T[32/64/128]0x0HU-3-A” on Page 38
Table 29 “HYS[64/72]T[32/64]x00HU-3S-A” on Page 43
Table 30 “HYS[64/72]T128x20HU-3S-A” on Page 48
Table 31 “HYS[64/72]T[32/64]x00HU-3.7-A” on Page 52
Table 32 “HYS[64/72]T128x20HU-3.7-A” on Page 57
Table 33 “HYS[64/72]T[32/64/128]0x0HU-5-A” on Page 61
TABLE 28
HYS[64/72]T[32/64/128]0x0HU-3-A
Product Type
Organization
256MB
512MB
512MB
1 GByte 1 GByte
×64
×64
×72
×64
×72
1 Rank
1 Rank
1 Rank
2 Ranks 2 Ranks
(×16)
(×8)
(×8)
(×8)
(×8)
Label Code
PC2–
5300U–
444
PC2–
5300U–
444
PC2–
5300E–
444
PC2–
5300U–
444
PC2–
5300E–
444
JEDEC SPD Revision
Rev. 1.2 Rev. 1.2 Rev. 1.2 Rev. 1.2 Rev. 1.2
Byte#
Description
HEX
HEX
HEX
HEX
HEX
0
1
2
3
4
5
6
7
8
Programmed SPD Bytes in EEPROM
Total number of Bytes in EEPROM
Memory Type (DDR2)
80
08
08
0D
0A
60
40
00
05
80
08
08
0E
0A
60
40
00
05
80
08
08
0E
0A
60
48
00
05
80
08
08
0E
0A
61
40
00
05
80
08
08
0E
0A
61
48
00
05
Number of Row Addresses
Number of Column Addresses
DIMM Rank and Stacking Information
Data Width
Not used
Interface Voltage Level
Rev. 1.41, 2007-05
38
03292006-EZUJ-JY4S
QIMONDA [ QIMONDA AG ]
