En indeterminadas ocasiones es necesario aumentarle o cambiarle la memoria ram a nuestra pc, a veces no hay problema con tan solo comprarla y ponerla en la tarjeta madre y listo, sin embargo, algunos modelos anteriores a las CI o Amd, es necesario ver qué tanta memoria es capaz de redireccionar el procesador de la pc.
Uno de los comandos que he usado para esto, es:
dmidecode
Su uso normal es el siguiente:
sudo dmidecode
El cuál arrojará toda la información de hardware de la pc, parecido al siguiente código:
# dmidecode 2.12 SMBIOS 2.7 present. 23 structures occupying 1701 bytes. Table at 0x000EBA70. Handle 0x0000, DMI type 0, 24 bytes BIOS Information Vendor: American Megatrends Inc. Version: K46CA.309 Release Date: 10/16/2012 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 6144 kB Characteristics: PCI is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported BIOS ROM is socketed EDD is supported 5.25"/1.2 MB floppy services are supported (int 13h) 3.5"/720 kB floppy services are supported (int 13h) 3.5"/2.88 MB floppy services are supported (int 13h) Print screen service is supported (int 5h) 8042 keyboard services are supported (int 9h) Serial services are supported (int 14h) Printer services are supported (int 17h) ACPI is supported USB legacy is supported Smart battery is supported BIOS boot specification is supported Targeted content distribution is supported UEFI is supported BIOS Revision: 4.6 Handle 0x0001, DMI type 1, 27 bytes System Information Manufacturer: ASUSTeK COMPUTER INC. Product Name: K46CA Version: 1.0 Serial Number: D1N0CX538749057 UUID: 00000011-0000-0000-0000-60A44C743C38 Wake-up Type: Power Switch SKU Number: ASUS-NotebookSKU Family: K Handle 0x0002, DMI type 2, 15 bytes Base Board Information Manufacturer: ASUSTeK COMPUTER INC. Product Name: K46CA Version: 1.0 Serial Number: BSN12345678901234567 Asset Tag: ATN12345678901234567 Features: Board is a hosting board Board is replaceable Location In Chassis: MIDDLE Chassis Handle: 0x0003 Type: Motherboard Contained Object Handles: 0 Handle 0x0003, DMI type 3, 22 bytes Chassis Information Manufacturer: ASUSTeK COMPUTER INC. Type: Notebook Lock: Not Present Version: 1.0 Serial Number: D1N0CX538749057 Asset Tag: No Asset Tag Boot-up State: Safe Power Supply State: Safe Thermal State: Safe Security Status: None OEM Information: 0x00000000 Height: Unspecified Number Of Power Cords: 1 Contained Elements: 0 SKU Number: To be filled by O.E.M. Handle 0x0004, DMI type 10, 26 bytes On Board Device 1 Information Type: Video Status: Enabled Description: VGA On Board Device 2 Information Type: Ethernet Status: Enabled Description: GLAN On Board Device 3 Information Type: Ethernet Status: Enabled Description: WLAN On Board Device 4 Information Type: Sound Status: Enabled Description: Audio CODEC On Board Device 5 Information Type: SATA Controller Status: Enabled Description: SATA Controller On Board Device 6 Information Type: Other Status: Enabled Description: USB 2.0 Controller On Board Device 7 Information Type: Other Status: Enabled Description: USB 3.0 Controller On Board Device 8 Information Type: Other Status: Enabled Description: SMBus Controller On Board Device 9 Information Type: Other Status: Enabled Description: Card Reader On Board Device 10 Information Type: Other Status: Enabled Description: Cmos Camera On Board Device 11 Information Type: Other Status: Enabled Description: Bluetooth Handle 0x0005, DMI type 11, 5 bytes OEM Strings String 1: l9OvKp5b-KLu9 String 2: Kdm0Drd4x8qsS String 3: 7hXVpJ2-BX+mB String 4: 90NPVA415Q12145013RU String 5: String 6: String 7: String 8: String 9: String 10: Handle 0x0006, DMI type 12, 5 bytes System Configuration Options Option 1: DSN:2S8R9JDE052016 Option 2: DSN:83C347C44A06 Option 3: DSN:60A44C743C38 Option 4: SMI:00B2CA Handle 0x0007, DMI type 32, 20 bytes System Boot Information Status: No errors detected Handle 0x0008, DMI type 7, 19 bytes Cache Information Socket Designation: CPU Internal L2 Configuration: Enabled, Not Socketed, Level 2 Operational Mode: Write Through Location: Internal Installed Size: 512 kB Maximum Size: 512 kB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Multi-bit ECC System Type: Unified Associativity: 8-way Set-associative Handle 0x0009, DMI type 7, 19 bytes Cache Information Socket Designation: CPU Internal L1 Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Through Location: Internal Installed Size: 128 kB Maximum Size: 128 kB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Parity System Type: Data Associativity: 8-way Set-associative Handle 0x000A, DMI type 7, 19 bytes Cache Information Socket Designation: CPU Internal L3 Configuration: Enabled, Not Socketed, Level 3 Operational Mode: Write Back Location: Internal Installed Size: 3072 kB Maximum Size: 3072 kB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Multi-bit ECC System Type: Unified Associativity: 12-way Set-associative Handle 0x000B, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 32 GB Error Information Handle: Not Provided Number Of Devices: 4 Handle 0x000C, DMI type 4, 42 bytes Processor Information Socket Designation: SOCKET 0 Type: Central Processor Family: Core i5 Manufacturer: Intel(R) Corporation ID: A9 06 03 00 FF FB EB BF Signature: Type 0, Family 6, Model 58, Stepping 9 Flags: FPU (Floating-point unit on-chip) VME (Virtual mode extension) DE (Debugging extension) PSE (Page size extension) TSC (Time stamp counter) MSR (Model specific registers) PAE (Physical address extension) MCE (Machine check exception) CX8 (CMPXCHG8 instruction supported) APIC (On-chip APIC hardware supported) SEP (Fast system call) MTRR (Memory type range registers) PGE (Page global enable) MCA (Machine check architecture) CMOV (Conditional move instruction supported) PAT (Page attribute table) PSE-36 (36-bit page size extension) CLFSH (CLFLUSH instruction supported) DS (Debug store) ACPI (ACPI supported) MMX (MMX technology supported) FXSR (FXSAVE and FXSTOR instructions supported) SSE (Streaming SIMD extensions) SSE2 (Streaming SIMD extensions 2) SS (Self-snoop) HTT (Multi-threading) TM (Thermal monitor supported) PBE (Pending break enabled) Version: Intel(R) Core(TM) i5-3317U CPU @ 1.70GHz Voltage: 10.7 V External Clock: 100 MHz Max Speed: 3800 MHz Current Speed: 1700 MHz Status: Populated, Enabled Upgrade: Socket rPGA988B L1 Cache Handle: 0x0009 L2 Cache Handle: 0x0008 L3 Cache Handle: 0x000A Serial Number: Not Specified Asset Tag: Fill By OEM Part Number: Fill By OEM Core Count: 2 Core Enabled: 2 Thread Count: 4 Characteristics: 64-bit capable Handle 0x000D, DMI type 17, 34 bytes Memory Device Array Handle: 0x000B Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 4096 MB Form Factor: SODIMM Set: None Locator: ChannelA-DIMM0 Bank Locator: BANK 0 Type: DDR3 Type Detail: Synchronous Speed: 1600 MHz Manufacturer: Hynix/Hyundai Serial Number: 1072CE54 Asset Tag: 9876543210 Part Number: HMT351S6CFR8C-PB Rank: 2 Configured Clock Speed: 1600 MHz Handle 0x000E, DMI type 20, 35 bytes Memory Device Mapped Address Starting Address: 0x00000000000 Ending Address: 0x000FFFFFFFF Range Size: 4 GB Physical Device Handle: 0x000D Memory Array Mapped Address Handle: 0x0013 Partition Row Position: Unknown Interleave Position: 1 Interleaved Data Depth: 2 Handle 0x000F, DMI type 17, 34 bytes Memory Device Array Handle: 0x000B Error Information Handle: Not Provided Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: DIMM Set: None Locator: ChannelA-DIMM1 Bank Locator: BANK 1 Type: Unknown Type Detail: None Speed: Unknown Manufacturer: [Empty] Serial Number: [Empty] Asset Tag: 9876543210 Part Number: [Empty] Rank: Unknown Configured Clock Speed: Unknown Handle 0x0010, DMI type 17, 34 bytes Memory Device Array Handle: 0x000B Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 8192 MB Form Factor: SODIMM Set: None Locator: ChannelB-DIMM0 Bank Locator: BANK 2 Type: DDR3 Type Detail: Synchronous Speed: 1600 MHz Manufacturer: Samsung Serial Number: B2454C2B Asset Tag: 9876543210 Part Number: M471B1G73BH0-CK0 Rank: 2 Configured Clock Speed: 1600 MHz Handle 0x0011, DMI type 20, 35 bytes Memory Device Mapped Address Starting Address: 0x00100000000 Ending Address: 0x002FFFFFFFF Range Size: 8 GB Physical Device Handle: 0x0010 Memory Array Mapped Address Handle: 0x0013 Partition Row Position: Unknown Interleave Position: 2 Interleaved Data Depth: 2 Handle 0x0012, DMI type 17, 34 bytes Memory Device Array Handle: 0x000B Error Information Handle: Not Provided Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: DIMM Set: None Locator: ChannelB-DIMM1 Bank Locator: BANK 3 Type: Unknown Type Detail: None Speed: Unknown Manufacturer: [Empty] Serial Number: [Empty] Asset Tag: 9876543210 Part Number: [Empty] Rank: Unknown Configured Clock Speed: Unknown Handle 0x0013, DMI type 19, 31 bytes Memory Array Mapped Address Starting Address: 0x00000000000 Ending Address: 0x002FFFFFFFF Range Size: 12 GB Physical Array Handle: 0x000B Partition Width: 4 Handle 0x0018, DMI type 131, 64 bytes OEM-specific Type Header and Data: 83 40 18 00 31 00 00 00 00 00 00 00 00 00 00 00 F8 00 59 1E 00 00 00 00 01 20 00 00 01 00 08 00 E0 04 00 00 00 00 00 00 C8 00 FF FF 00 00 00 00 00 00 00 00 66 00 00 00 76 50 72 6F 00 00 00 00 Handle 0x0019, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Long Installable Languages: 1 en|US|iso8859-1 Currently Installed Language: en|US|iso8859-1 Handle 0x001A, DMI type 127, 4 bytes End Of Table
Para conocer sobre la memoria ram en específico, teclear el siguiente comando:
sudo dmidecode -t 16
Y mostrará el c
# dmidecode 2.12 SMBIOS 2.7 present. Handle 0x000B, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 32 GB Error Information Handle: Not Provided Number Of Devices: 4
Ahora sí quieren saber el máximo de memoria ram soportada de manera directa, entonces el comandos es:
sudo midecode |grep -i "Maximum Capacity:" | uniq
La salida será:
Maximum Capacity: 32 GB
Y eso sería todo. Muchas gracias por visitar.
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