J'ai actuellement 3x4go de DDR3 1600mhz (2 en gskill, et une kingston), sur une 990FXA-UD3 avec un FX-8320E.
La carte mère reconnait bien les 12go, mais sous linux (arch, debian..) seulement 8go aparaissent.
Et biensur sous win...... j'ai bien les 12go.
Je suppose que c'est un problème de dual channel, mais je n'en suis pas certain.
Kernel : 3.17.6-1-ARCH
dmidecode
Code : Tout sélectionner
Handle 0x002D, DMI type 19, 31 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x002FFFFFFFF
Range Size: 12 GB
Physical Array Handle: 0x002C
Partition Width: 255
Handle 0x002E, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x002C
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 4096 MB
Form Factor: DIMM
Set: None
Locator: Node0_Dimm0
Bank Locator: Node0_Bank0
Type: DDR3
Type Detail: Synchronous Unbuffered (Unregistered)
Speed: 800 MHz
Manufacturer: Undefined
Serial Number: 00000000
Asset Tag: Dimm0_AssetTag
Part Number: F3-1600C11-4G
Rank: 2
Configured Clock Speed: 800 MHz
Handle 0x002F, DMI type 20, 35 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000000003FF
Range Size: 1 kB
Physical Device Handle: 0x002E
Memory Array Mapped Address Handle: 0x002D
Partition Row Position: Unknown
Interleave Position: Unknown
Interleaved Data Depth: Unknown
Handle 0x0030, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x002C
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: 64 bits
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: Node0_Dimm1
Bank Locator: Node0_Bank0
Type: Unknown
Type Detail: Synchronous
Speed: Unknown
Manufacturer: Dimm1_Manufacturer
Serial Number: Dimm1_SerNum
Asset Tag: Dimm1_AssetTag
Part Number: Dimm1_PartNum
Rank: Unknown
Configured Clock Speed: Unknown
Handle 0x0031, DMI type 126, 35 bytes
Inactive
Handle 0x0032, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x002C
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 4096 MB
Form Factor: DIMM
Set: None
Locator: Node0_Dimm2
Bank Locator: Node0_Bank0
Type: DDR3
Type Detail: Synchronous Unbuffered (Unregistered)
Speed: 800 MHz
Manufacturer: Undefined
Serial Number: 00000000
Asset Tag: Dimm2_AssetTag
Part Number: F3-1600C11-4G
Rank: 2
Configured Clock Speed: 800 MHz
Handle 0x0033, DMI type 20, 35 bytes
Memory Device Mapped Address
Starting Address: 0x00100000000
Ending Address: 0x001FFFFFFFF
Range Size: 4 GB
Physical Device Handle: 0x0032
Memory Array Mapped Address Handle: 0x002D
Partition Row Position: Unknown
Interleave Position: Unknown
Interleaved Data Depth: Unknown
Handle 0x0034, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x002C
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 4096 MB
Form Factor: DIMM
Set: None
Locator: Node0_Dimm3
Bank Locator: Node0_Bank0
Type: DDR3
Type Detail: Synchronous Unbuffered (Unregistered)
Speed: 800 MHz
Manufacturer: Kingston
Serial Number: CA03404C
Asset Tag: Dimm3_AssetTag
Part Number: KHX1600C9D3/4
Rank: 1
Configured Clock Speed: 800 MHz
Code : Tout sélectionner
[root@Cartman ~]# free
total used free shared buff/cache available
Mem: 8144920 6465640 1443840 964 235440 1466288
Swap: 0 0 0
Merci.