born@born:~$ sudo perl decode-dimms.pl
Memory Serial Presence Detect Decoder
By Philip Edelbrock, Christian Zuckschwerdt, Burkart Lingner,
Jean Delvare and others
Version 2.10.2
Decoding EEPROM: /sys/bus/i2c/drivers/eeprom/0-0050
Guessing DIMM is in bank 1
---=== SPD EEPROM Information ===---
EEPROM Checksum of bytes 0-62 OK (0x37)
# of bytes written to SDRAM EEPROM 128
Total number of bytes in EEPROM 256
Fundamental Memory type DDR2 SDRAM
SPD Revision 1.2
---=== Memory Characteristics ===---
Maximum module speed 930MHz (PC7400)
Size 1024 MB
tCL-tRCD-tRP-tRAS 5-4-4-12
Supported CAS Latencies 5, 4, 3
Minimum Cycle Time (CAS 5) 3.75 ns
Maximum Access Time (CAS 5) 0.5 ns
Minimum Cycle Time (CAS 4) 3.75 ns
Maximum Access Time (CAS 4) 0.5 ns
Minimum Cycle Time (CAS 3) 5 ns
Maximum Access Time (CAS 3) 0.6 ns
---=== Manufacturing Information ===---
Manufacturer Infineon (formerly Siemens)
Manufacturing Location Code S
Part Number 64T128021HDL3.7B
Revision Code 0x2208
Manufacturing Date 2006-W29
Assembly Serial Number 0x0D01C221
Decoding EEPROM: /sys/bus/i2c/drivers/eeprom/0-0052
Guessing DIMM is in bank 3
---=== SPD EEPROM Information ===---
EEPROM Checksum of bytes 0-62 OK (0x37)
# of bytes written to SDRAM EEPROM 128
Total number of bytes in EEPROM 256
Fundamental Memory type DDR2 SDRAM
SPD Revision 1.2
---=== Memory Characteristics ===---
Maximum module speed 930MHz (PC7400)
Size 1024 MB
tCL-tRCD-tRP-tRAS 5-4-4-12
Supported CAS Latencies 5, 4, 3
Minimum Cycle Time (CAS 5) 3.75 ns
Maximum Access Time (CAS 5) 0.5 ns
Minimum Cycle Time (CAS 4) 3.75 ns
Maximum Access Time (CAS 4) 0.5 ns
Minimum Cycle Time (CAS 3) 5 ns
Maximum Access Time (CAS 3) 0.6 ns
---=== Manufacturing Information ===---
Manufacturer Infineon (formerly Siemens)
Manufacturing Location Code S
Part Number 64T128021HDL3.7B
Revision Code 0x2208
Manufacturing Date 2006-W29
Assembly Serial Number 0x0D01C222
Number of SDRAM DIMMs detected and decoded: 2
born@born:~$