udo decode-dimms
# decode-dimms version 4.3
Memory Serial Presence Detect Decoder
By Philip Edelbrock, Christian Zuckschwerdt, Burkart Lingner,
Jean Delvare, Trent Piepho and others
Decoding EEPROM: /sys/bus/i2c/drivers/ee1004/0-0050
Guessing DIMM is in bank 1
Kernel driver used ee1004
---=== SPD EEPROM Information ===---
EEPROM CRC of bytes 0-125 OK (0x3AC9)
# of bytes written to SDRAM EEPROM 384
Total number of bytes in EEPROM 512
Fundamental Memory type DDR4 SDRAM
SPD Revision 1.0
Module Type UDIMM
EEPROM CRC of bytes 128-253 OK (0x27DE)
---=== Memory Characteristics ===---
Maximum module speed 2133 MT/s (PC4-17000)
Size 8192 MB
Banks x Rows x Columns x Bits 16 x 15 x 10 x 64
SDRAM Device Width 8 bits
Ranks 2
Rank Mix Symmetrical
Primary Bus Width 64 bits
AA-RCD-RP-RAS (cycles) 15-15-15-36
Supported CAS Latencies 16T, 15T, 14T, 13T, 12T, 11T, 10T, 9T
---=== Timings at Standard Speeds ===---
AA-RCD-RP-RAS (cycles) as DDR4-2133 15-15-15-36
AA-RCD-RP-RAS (cycles) as DDR4-1866 13-13-13-31
AA-RCD-RP-RAS (cycles) as DDR4-1600 11-11-11-27
---=== Timing Parameters ===---
Minimum Cycle Time (tCKmin) 0.938 ns
Maximum Cycle Time (tCKmax) 1.500 ns
Minimum CAS Latency Time (tAA) 13.500 ns
Minimum RAS to CAS Delay (tRCD) 13.500 ns
Minimum Row Precharge Delay (tRP) 13.500 ns
Minimum Active to Precharge Delay (tRAS) 33.000 ns
Minimum Active to Auto-Refresh Delay (tRC) 46.500 ns
Minimum Recovery Delay (tRFC1) 260.000 ns
Minimum Recovery Delay (tRFC2) 160.000 ns
Minimum Recovery Delay (tRFC4) 110.000 ns
Minimum Four Activate Window Delay (tFAW) 23.000 ns
Minimum Row Active to Row Active Delay (tRRD_S) 3.701 ns
Minimum Row Active to Row Active Delay (tRRD_L) 5.300 ns
Minimum CAS to CAS Delay (tCCD_L) 5.356 ns
---=== Other Information ===---
Package Type Monolithic
Maximum Activate Count (MAC) Unlimited
Post Package Repair Not supported
Module Nominal Voltage 1.2 V
Thermal Sensor No
---=== Physical Characteristics ===---
Module Height 32 mm
Module Thickness 2 mm front, 2 mm back
Module Reference Card B revision 0
---=== Manufacturer Data ===---
Module Manufacturer Corsair
DRAM Manufacturer Micron Technology
Part Number CMK16GX4M2B3000C15
Decoding EEPROM: /sys/bus/i2c/drivers/ee1004/0-0051
Guessing DIMM is in bank 2
Kernel driver used ee1004
---=== SPD EEPROM Information ===---
EEPROM CRC of bytes 0-125 OK (0x3AC9)
# of bytes written to SDRAM EEPROM 384
Total number of bytes in EEPROM 512
Fundamental Memory type DDR4 SDRAM
SPD Revision 1.0
Module Type UDIMM
EEPROM CRC of bytes 128-253 OK (0x27DE)
---=== Memory Characteristics ===---
Maximum module speed 2133 MT/s (PC4-17000)
Size 8192 MB
Banks x Rows x Columns x Bits 16 x 15 x 10 x 64
SDRAM Device Width 8 bits
Ranks 2
Rank Mix Symmetrical
Primary Bus Width 64 bits
AA-RCD-RP-RAS (cycles) 15-15-15-36
Supported CAS Latencies 16T, 15T, 14T, 13T, 12T, 11T, 10T, 9T
---=== Timings at Standard Speeds ===---
AA-RCD-RP-RAS (cycles) as DDR4-2133 15-15-15-36
AA-RCD-RP-RAS (cycles) as DDR4-1866 13-13-13-31
AA-RCD-RP-RAS (cycles) as DDR4-1600 11-11-11-27
---=== Timing Parameters ===---
Minimum Cycle Time (tCKmin) 0.938 ns
Maximum Cycle Time (tCKmax) 1.500 ns
Minimum CAS Latency Time (tAA) 13.500 ns
Minimum RAS to CAS Delay (tRCD) 13.500 ns
Minimum Row Precharge Delay (tRP) 13.500 ns
Minimum Active to Precharge Delay (tRAS) 33.000 ns
Minimum Active to Auto-Refresh Delay (tRC) 46.500 ns
Minimum Recovery Delay (tRFC1) 260.000 ns
Minimum Recovery Delay (tRFC2) 160.000 ns
Minimum Recovery Delay (tRFC4) 110.000 ns
Minimum Four Activate Window Delay (tFAW) 23.000 ns
Minimum Row Active to Row Active Delay (tRRD_S) 3.701 ns
Minimum Row Active to Row Active Delay (tRRD_L) 5.300 ns
Minimum CAS to CAS Delay (tCCD_L) 5.356 ns
---=== Other Information ===---
Package Type Monolithic
Maximum Activate Count (MAC) Unlimited
Post Package Repair Not supported
Module Nominal Voltage 1.2 V
Thermal Sensor No
---=== Physical Characteristics ===---
Module Height 32 mm
Module Thickness 2 mm front, 2 mm back
Module Reference Card B revision 0
---=== Manufacturer Data ===---
Module Manufacturer Corsair
DRAM Manufacturer Micron Technology
Part Number CMK16GX4M2B3000C15
Number of SDRAM DIMMs detected and decoded: 2