Internet Data Sheet
HYS72T[512/256]02xHR–[3S/3.7/5]–A
Registered 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.
TABLE 21
SPD Codes HYS72T[512/256]02xHR–[3S/3.7/5]–A
Product Type
Organization
4 GByte
4 GByte
4 GByte
2 GByte
×72
×72
×72
×72
2 Ranks (×4) 2 Ranks (×4) 2 Ranks (×4) 2 Ranks (×8)
Label Code
PC2– PC2– PC2– PC2–
5300R–555 4200R–444 3200R–333 3200R–333
JEDEC SPD Revision
Rev. 1.2
HEX
Rev. 1.2
HEX
Rev. 1.2
HEX
Rev. 1.2
HEX
Byte#
Description
0
Programmed SPD Bytes in EEPROM
Total number of Bytes in EEPROM
Memory Type (DDR2)
80
08
08
0E
0B
71
48
00
05
30
45
02
82
04
04
00
0C
80
08
08
0E
0B
71
48
00
05
3D
50
02
82
04
04
00
0C
80
08
08
0E
0B
71
48
00
05
50
60
02
82
04
04
00
0C
80
08
08
0E
0A
71
48
00
05
50
60
02
82
08
08
00
0C
1
2
3
Number of Row Addresses
Number of Column Addresses
DIMM Rank and Stacking Information
Data Width
4
5
6
7
Not used
8
Interface Voltage Level
9
t
t
CK @ CLMAX (Byte 18) [ns]
10
11
12
13
14
15
16
AC SDRAM @ CLMAX (Byte 18) [ns]
Error Correction Support (non-ECC, ECC)
Refresh Rate and Type
Primary SDRAM Width
Error Checking SDRAM Width
Not used
Burst Length Supported
Rev. 1.2, 2007-01
31
03292006-AYVF-ZIIJ
QIMONDA [ QIMONDA AG ]
