Internet Data Sheet

Rev. 1.0, 2006-12

19

11032006-VX0M-M6IH

HYS72T512341H[H/J/K]P-[3.7/5]-B

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.

List of SPD Code Tables

• Table 16 “SPD Codes for PC2-4200P-444” on Page 19

• Table 17 “SPD Codes for PC2-3200P-333” on Page 24

TABLE 16

SPD Codes for PC2-4200P-444

Product Type

Organization

4 GByte

4 GByte

4 GByte

×72

×72

×72

4 Ranks (

×4)

4 Ranks (

×4)

4 Ranks (

×4)

Label Code

PC2–4200P–444

PC2–4200P–444

PC2–4200P–444

JEDEC SPD Revision

Rev. 1.2

Rev. 1.2

Rev. 1.2

Byte#

Description

HEX

HEX

HEX

0

Programmed SPD Bytes in EEPROM

80

80

80

1

Total number of Bytes in EEPROM

08

08

08

2

Memory Type (DDR2)

08

08

08

3

Number of Row Addresses

0E

0E

0E

4

Number of Column Addresses

0B

0B

0B

5

DIMM Rank and Stacking Information

03

03

03

6

Data Width

48

48

48

7

Not used

00

00

00

8

Interface Voltage Level

05

05

05

9

t

3D

3D

3D

10

t

50

50

50

11

Error Correction Support (non-ECC, ECC)

06

06

06

12

Refresh Rate and Type

81

81

81

13

Primary SDRAM Width

04

04

04