Internet Data Sheet
HYS64T[32/64/128]xxxEDL–[25F/…/3.7](–)B2
Small Outlined 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 27 “HYS64T[32/64]xx0EDL-25F-B2” on Page 35
Table 28 “HYS64T128x21EDL-25FB2” on Page 40
Table 29 “HYS64T[32/64]xx0EDL-2.5-B2” on Page 44
Table 30 “HYS64T128x21EDL-2.5B2” on Page 49
Table 31 “HYS64T[32/64]xx0EDL-3-B2” on Page 53
Table 32 “HYS64T128x21EDL-3-B2” on Page 58
Table 33 “HYS64T[32/64]xx0EDL-3S-B2” on Page 62
Table 34 “HYS64T128x21EDL-3S-B2” on Page 67
Table 35 “HYS64T[32/64]xx0EDL-3.7-B2” on Page 71
Table 36 “HYS64T128x21EDL-3.7B2” on Page 76
TABLE 27
HYS64T[32/64]xx0EDL-25F-B2
Product Type
Organization
256MB
256MB
512MB
512MB
×64
×64
×64
×64
1 Rank (×16) 1 Rank (×16) 2 Ranks
(×16)
2 Ranks
(×16)
Label Code
PC2–
PC2–
PC2–
PC2–
6400S–555 6400S–555 6400S–555 6400S–555
JEDEC SPD Revision
Rev. 1.2
HEX
Rev. 1.2
HEX
Rev. 1.2
HEX
Rev. 1.2
HEX
Byte#
Description
0
1
2
3
4
5
Programmed SPD Bytes in EEPROM
Total number of Bytes in EEPROM
Memory Type (DDR2)
80
08
08
0D
0A
60
80
08
08
0D
0A
60
80
08
08
0D
0A
61
80
08
08
0D
0A
61
Number of Row Addresses
Number of Column Addresses
DIMM Rank and Stacking Information
Rev. 1.1, 2007-01
35
08212006-PKYN-2H1B
QIMONDA [ QIMONDA AG ]
