Определить тип оперативной памяти

# dmidecode -t 17
# dmidecode 2.12
SMBIOS 2.6 present.

Handle 0x002B, DMI type 17, 28 bytes
Memory Device
        Array Handle: 0x0029
        Error Information Handle: Not Provided
        Total Width: 64 bits
        Data Width: 64 bits
        Size: 1024 MB
        Form Factor: DIMM
        Set: None
        Locator: A1_DIMM0
        Bank Locator: A1_BANK0
        Type: <OUT OF SPEC>
        Type Detail: Synchronous
        Speed: 667 MHz
        Manufacturer: A1_Manufacturer0
        Serial Number: A1_SerNum0
        Asset Tag: A1_AssetTagNum0
        Part Number: Array1_PartNumber0
        Rank: Unknown

Handle 0x002D, DMI type 17, 28 bytes
Memory Device
        Array Handle: 0x0029
        Error Information Handle: Not Provided
        Total Width: 64 bits
        Data Width: 64 bits
        Size: No Module Installed
        Form Factor: DIMM
        Set: None
        Locator: A1_DIMM1
        Bank Locator: A1_BANK1
        Type: Unknown
        Type Detail: Synchronous
        Speed: Unknown
        Manufacturer: A1_Manufacturer1
        Serial Number: A1_SerNum1
        Asset Tag: A1_AssetTagNum1
        Part Number: Array1_PartNumber1
        Rank: Unknown

# dmidecode --type memory

# dmidecode --type memory
# dmidecode 2.12
SMBIOS 2.6 present.

Handle 0x0029, DMI type 16, 15 bytes
Physical Memory Array
        Location: System Board Or Motherboard
        Use: System Memory
        Error Correction Type: None
        Maximum Capacity: 4 GB
        Error Information Handle: Not Provided
        Number Of Devices: 2

Handle 0x002B, DMI type 17, 28 bytes
Memory Device
        Array Handle: 0x0029
        Error Information Handle: Not Provided
        Total Width: 64 bits
        Data Width: 64 bits
        Size: 1024 MB
        Form Factor: DIMM
        Set: None
        Locator: A1_DIMM0
        Bank Locator: A1_BANK0
        Type: <OUT OF SPEC>
        Type Detail: Synchronous
        Speed: 667 MHz
        Manufacturer: A1_Manufacturer0
        Serial Number: A1_SerNum0
        Asset Tag: A1_AssetTagNum0
        Part Number: Array1_PartNumber0
        Rank: Unknown

Handle 0x002D, DMI type 17, 28 bytes
Memory Device
        Array Handle: 0x0029
        Error Information Handle: Not Provided
        Total Width: 64 bits
        Data Width: 64 bits
        Size: No Module Installed
        Form Factor: DIMM
        Set: None
        Locator: A1_DIMM1
        Bank Locator: A1_BANK1
        Type: Unknown
        Type Detail: Synchronous
        Speed: Unknown
        Manufacturer: A1_Manufacturer1
        Serial Number: A1_SerNum1
        Asset Tag: A1_AssetTagNum1
        Part Number: Array1_PartNumber1
        Rank: Unknown

# dmidecode -t 2
# dmidecode 2.12
SMBIOS 2.6 present.

Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
        Manufacturer: LENOVO
        Product Name:                 
        Version: To be filled by O.E.M.
        Serial Number: DB00332792
        Asset Tag:      
        Features:
                Board is a hosting board
                Board is replaceable
        Location In Chassis: To be filled by O.E.M.
        Chassis Handle: 0x0003
        Type: Motherboard
        Contained Object Handles: 0

$ ./decode-dimms c
# decode-dimms version $Revision$

Memory Serial Presence Detect Decoder
By Philip Edelbrock, Christian Zuckschwerdt, Burkart Lingner,
Jean Delvare, Trent Piepho and others


Decoding EEPROM: /sys/bus/i2c/drivers/eeprom/6-0050
Guessing DIMM is in                              bank 1

---=== SPD EEPROM Information ===---
EEPROM CRC of bytes 0-116                        OK (0xA120)
# of bytes written to SDRAM EEPROM               176
Total number of bytes in EEPROM                  256
Fundamental Memory type                          DDR3 SDRAM
Module Type                                      SO-DIMM

---=== Memory Characteristics ===---
Maximum module speed                             1333 MHz (PC3-10600)
Size                                             1024 MB
Banks x Rows x Columns x Bits                    8 x 14 x 10 x 64
Ranks                                            1
SDRAM Device Width                               8 bits
Bus Width Extension                              0 bits
tCL-tRCD-tRP-tRAS                                9-9-9-24
Supported CAS Latencies (tCL)                    9T, 8T, 7T, 6T, 5T

---=== Timings at Standard Speeds ===---
tCL-tRCD-tRP-tRAS as DDR3-1333                   9-9-9-24
tCL-tRCD-tRP-tRAS as DDR3-1066                   7-7-7-20
tCL-tRCD-tRP-tRAS as DDR3-800                    6-6-6-15

---=== Timing Parameters ===---
Minimum Cycle Time (tCK)                         1.500 ns
Minimum CAS Latency Time (tAA)                   13.125 ns
Minimum Write Recovery time (tWR)                15.000 ns
Minimum RAS# to CAS# Delay (tRCD)                13.125 ns
Minimum Row Active to Row Active Delay (tRRD)    6.000 ns
Minimum Row Precharge Delay (tRP)                13.125 ns
Minimum Active to Precharge Delay (tRAS)         36.000 ns
Minimum Active to Auto-Refresh Delay (tRC)       49.125 ns
Minimum Recovery Delay (tRFC)                    110.000 ns
Minimum Write to Read CMD Delay (tWTR)           7.500 ns
Minimum Read to Pre-charge CMD Delay (tRTP)      7.500 ns
Minimum Four Activate Window Delay (tFAW)        30.000 ns

---=== Optional Features ===---
Operable voltages                                1.5V
RZQ/6 supported?                                 Yes
RZQ/7 supported?                                 Yes
DLL-Off Mode supported?                          Yes
Operating temperature range                      0-95 degrees C
Refresh Rate in extended temp range              2X
Auto Self-Refresh?                               Yes
On-Die Thermal Sensor readout?                   No
Partial Array Self-Refresh?                      No
Module Thermal Sensor                            No
SDRAM Device Type                                Standard Monolithic

---=== Physical Characteristics ===---
Module Height                                    30 mm
Module Thickness                                 2 mm front, 2 mm back
Module Width                                     67.6 mm
Module Reference Card                            B revision 0
Rank 1 Mapping                                   Standard

---=== Manufacturer Data ===---
Module Manufacturer                              SK Hynix (former Hyundai Electronics)
DRAM Manufacturer                                SK Hynix (former Hyundai Electronics)
Manufacturing Location Code                      0x01
Manufacturing Date                               2011-W13
Assembly Serial Number                           0x13892D54
Part Number                                      HMT112S6TFR8C-H9  
Revision Code                                    0x4E30


Number of SDRAM DIMMs detected and decoded: 1