Fórum Ubuntu CZ/SK
Ubuntu pro osobní počítače => Obecná podpora => Téma založeno: Macyn 18 Října 2011, 14:29:29
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Zdravím lidi,
potřeboval bych v ubuntu nějak vyčíst jaké mám současné časování pamětí.
Ač se to zdá neuvěřitelné včera sem 2 hodiny googlil našel sem jakési 2 postupy lépe řečeno příkazy ale ani jeden mi kýžené současné časování pamětí neřekne.
řešil to někdo?
přehazoval sem v pc Ramky a jedny byli také "divné"(u lepších ram to bývá zvykem), že si hodily špatné časování když neměli potřebné napětí.
Přehazoval sem je z kompu s widlama, takže tam sem věděl na čem sem, ale jak to zjistím tady?
Bios bohužel zobrazuje jen to co mu nastavím a nevím jestli když dám latency napevno a napajení na auto tak jestli to dělá co má.
Jakákoli rada se hodí díky
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precti si prosim manual dmidecode (8)
# dmidecode -t memory
# dmidecode 2.10
SMBIOS 2.6 present.
Handle 0x001B, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 8 GB
Error Information Handle: No Error
Number Of Devices: 2
Handle 0x001C, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x001B
Error Information Handle: 0x001D
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: SODIMM
Set: None
Locator: Bottom - Slot 1
Bank Locator: BANK 0
Type: <OUT OF SPEC>
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: Hynix
Serial Number: 10C1184E
Asset Tag: Unknown
Part Number: HMT125S6BFR8C-H9
Rank: Unknown
Handle 0x001F, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x001B
Error Information Handle: 0x0020
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: SODIMM
Set: None
Locator: Bottom - Slot 2
Bank Locator: BANK 1
Type: <OUT OF SPEC>
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: Hynix
Serial Number: 1061184F
Asset Tag: Unknown
Part Number: HMT125S6BFR8C-H9
Rank: Unknown
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dmidecode čte informace z BIOSu
decode-dimms čte SPD informace z EEPROM (pokud jsou dostupné)
$ sudo -s
# apt-get install i2c-tools
# modprobe eeprom
# decode-dimms
# decode-dimms version 5388 (2008-11-18 18:15:09 +0100)
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/1-0050
Guessing DIMM is in bank 1
---=== SPD EEPROM Information ===---
EEPROM Checksum of bytes 0-62 OK (0xB2)
# 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 533MHz (PC2-4200)
Size 512 MB
Banks x Rows x Columns x Bits 4 x 14 x 10 x 64
Ranks 1
SDRAM Device Width 8 bits
Module Height 30.0 mm
Module Type UDIMM (133.25 mm)
DRAM Package Planar
Voltage Interface Level SSTL 1.8V
Refresh Rate Reduced (7.8 us) - Self Refresh
Supported Burst Lengths 4, 8
tCL-tRCD-tRP-tRAS 5-4-4-11
Supported CAS Latencies (tCL) 5T, 4T, 3T
Minimum Cycle Time at CAS 5 (tCK min) 3.75 ns
Maximum Access Time at CAS 5 (tAC) 0.50 ns
Minimum Cycle Time at CAS 4 3.75 ns
Maximum Access Time at CAS 4 0.50 ns
Minimum Cycle Time at CAS 3 5.00 ns
Maximum Access Time at CAS 3 0.60 ns
Maximum Cycle Time (tCK max) 8.00 ns
---=== Timing Parameters ===---
Address/Command Setup Time Before Clock (tIS) 0.25 ns
Address/Command Hold Time After Clock (tIH) 0.37 ns
Data Input Setup Time Before Strobe (tDS) 0.10 ns
Data Input Hold Time After Strobe (tDH) 0.22 ns
Minimum Row Precharge Delay (tRP) 15.00 ns
Minimum Row Active to Row Active Delay (tRRD) 7.50 ns
Minimum RAS# to CAS# Delay (tRCD) 15.00 ns
Minimum RAS# Pulse Width (tRAS) 40.00 ns
Write Recovery Time (tWR) 15.00 ns
Minimum Write to Read CMD Delay (tWTR) 7.50 ns
Minimum Read to Pre-charge CMD Delay (tRTP) 7.50 ns
Minimum Active to Auto-refresh Delay (tRC) 55.00 ns
Minimum Recovery Delay (tRFC) 105.00 ns
Maximum DQS to DQ Skew (tDQSQ) 0.30 ns
Maximum Read Data Hold Skew (tQHS) 0.40 ns
---=== Manufacturing Information ===---
Manufacturer Samsung
Manufacturing Location Code 0x01
Part Number M3 78T6553CZ3-CD5
Revision Code 0x3343
Manufacturing Date 2005-W28
Assembly Serial Number 0x4603A401
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~$ sudo dmidecode -t memory
# dmidecode 2.9
SMBIOS 2.5 present.
Handle 0x000F, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 8 GB
Error Information Handle: Not Provided
Number Of Devices: 4
Handle 0x0011, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM0
Bank Locator: BANK0
Type: Other
Type Detail: Synchronous
Speed: 667 MHz (1.5 ns)
Manufacturer: Manufacturer00
Serial Number: SerNum00
Asset Tag: AssetTagNum0
Part Number: ModulePartNumber00
Handle 0x0013, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM1
Bank Locator: BANK1
Type: Other
Type Detail: Synchronous
Speed: 667 MHz (1.5 ns)
Manufacturer: Manufacturer01
Serial Number: SerNum01
Asset Tag: AssetTagNum1
Part Number: ModulePartNumber01
Handle 0x0015, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: 64 bits
Size: No Module Installed
Form Factor: Other
Set: None
Locator: DIMM2
Bank Locator: BANK2
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: Manufacturer02
Serial Number: SerNum02
Asset Tag: AssetTagNum2
Part Number: ModulePartNumber02
Handle 0x0017, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: 64 bits
Size: No Module Installed
Form Factor: Other
Set: None
Locator: DIMM3
Bank Locator: BANK3
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: Manufacturer03
Serial Number: SerNum03
Asset Tag: AssetTagNum3
Part Number: ModulePartNumber03
~$ decode-dimms
# decode-dimms version 5388 (2008-11-18 18:15:09 +0100)
Memory Serial Presence Detect Decoder
By Philip Edelbrock, Christian Zuckschwerdt, Burkart Lingner,
Jean Delvare, Trent Piepho and others
Number of SDRAM DIMMs detected and decoded: 0
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Hm, tak nevím, když paměti přepnu v biosu na "ganged", dostanu tohle
# dmidecode 2.9
SMBIOS 2.5 present.
Handle 0x000F, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 8 GB
Error Information Handle: Not Provided
Number Of Devices: 4
Handle 0x0011, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM0
Bank Locator: BANK0
Type: Other
Type Detail: Synchronous
Speed: 667 MHz (1.5 ns)
Manufacturer: Manufacturer00
Serial Number: SerNum00
Asset Tag: AssetTagNum0
Part Number: ModulePartNumber00
Handle 0x0013, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM1
Bank Locator: BANK1
Type: Other
Type Detail: Synchronous
Speed: 200 MHz (5.0 ns)
Manufacturer: Manufacturer01
Serial Number: SerNum01
Asset Tag: AssetTagNum1
Part Number: ModulePartNumber01
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Hm, tak nevím, když paměti přepnu v biosu na "ganged", dostanu tohle
# dmidecode 2.9
SMBIOS 2.5 present.
Handle 0x000F, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 8 GB
Error Information Handle: Not Provided
Number Of Devices: 4
Handle 0x0011, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM0
Bank Locator: BANK0
Type: Other
Type Detail: Synchronous
Speed: 667 MHz (1.5 ns)
Manufacturer: Manufacturer00
Serial Number: SerNum00
Asset Tag: AssetTagNum0
Part Number: ModulePartNumber00
Handle 0x0013, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM1
Bank Locator: BANK1
Type: Other
Type Detail: Synchronous
Speed: 200 MHz (5.0 ns)
Manufacturer: Manufacturer01
Serial Number: SerNum01
Asset Tag: AssetTagNum1
Part Number: ModulePartNumber01
jj přesně v ganged modu ve kterém to potřebuju mít nezjistím vubec nic no.
asi to vyřeším tím že bootnu z flasky do mini xp a pres cpu-z klasicky myslel sem teda že to bude lehčí :-(
což mě přivádí na otázku taktuje vůbec někdo pod linuxem?
pač jestli jo tak to musí byt hardcore lebo zjistit "blbou " latency ram je nadlidský úkol a to bych řekl že jsem trochu pokročilý s linuxem.
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Hm, tak nevím, když paměti přepnu v biosu na "ganged", dostanu tohle
# dmidecode 2.9
SMBIOS 2.5 present.
Handle 0x000F, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 8 GB
Error Information Handle: Not Provided
Number Of Devices: 4
Handle 0x0011, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM0
Bank Locator: BANK0
Type: Other
Type Detail: Synchronous
Speed: 667 MHz (1.5 ns)
Manufacturer: Manufacturer00
Serial Number: SerNum00
Asset Tag: AssetTagNum0
Part Number: ModulePartNumber00
Handle 0x0013, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM1
Bank Locator: BANK1
Type: Other
Type Detail: Synchronous
Speed: 200 MHz (5.0 ns)
Manufacturer: Manufacturer01
Serial Number: SerNum01
Asset Tag: AssetTagNum1
Part Number: ModulePartNumber01
jj přesně v ganged modu ve kterém to potřebuju mít nezjistím vubec nic no.
asi to vyřeším tím že bootnu z flasky do mini xp a pres cpu-z klasicky myslel sem teda že to bude lehčí :-(
což mě přivádí na otázku taktuje vůbec někdo pod linuxem?
pač jestli jo tak to musí byt hardcore lebo zjistit "blbou " latency ram je nadlidský úkol a to bych řekl že jsem trochu pokročilý s linuxem.
To nemusíš, rebootni a spusť Memory test, tam uvidíš co potřebuješ.. S ganged bylo správně uvedeno 128bitů a poněkud hrozný časování 9-12-12-30... Tak jsem si to nastavil ručně na 9-9-9, jak by to mělo asi vypadat a je to trošku znát..