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8gb ddr3 on board only 4gb showing

Last response: in Memory
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April 15, 2011 8:43:39 PM

Hi guys well first of all i would like to apologise in advance, i've been tearing my hair out for a week to sort the issues out i have been having with my current pc.

I have 2 sticks of corsair DDR3 RAM, (CMX4GX3M2A1600C9-MODEL)
4GB each.

Ive downloaded CPU-Z and this is the information obtained.

* Im using windows 7 Home Premium Edition 64bit OS
* Motherboard is a ASUS M4A79T Deluxe AMD CHipset

Under general memory tab

DDR3 type ram, Dual Channel (As expected)
but only 4096mb showing also DC only stated Unganaged and not ganged
NB. Frequency @ 2006.8+/- Mhz

Under timings

DRAM Frequency @ 688.9Mhz
FSB:D RAM @3:10
CAS# Latency (CL) @ 9.0 Clocks
RAS# to CAS# Delay (tRCD) @ 9 clocks
RAS# Precharge (tRP) @ 9 clocks
Cycle Time (tRACS) @ 24 clocks
Bank Cycle Time (tRC) @34 clocks
Command Rate (CR) @ 1t

I have tried to place each ram in individual DDR3 Dimm slots, i have 2 orange coloured ones and 2 black at the moment there in A2 and B2.

even when i just try one stick the sticker on the ram states 4gb when installed only shows 2gb very frustrating.

If anybody could help that would be wonderful, btw all the setting in bios is set to default if that helps.


a b } Memory
April 15, 2011 10:47:27 PM

System Configuration Utility.
Boot tab
Advanced options
uncheck maximum memory

if that isn't it idk
don't run/use Amd
April 15, 2011 11:17:06 PM

Ive already looked into that option and it wasnt even checked so i checked it t determine the default value and the max was 4gb, unchecked it and restarted and same value only 4gb.
Related resources
a b } Memory
April 15, 2011 11:17:17 PM

OP: Are you looking only at slot 1 in CPUZ?
At the top left in the memory tab is a dropdown box with slot 2 in it....
April 15, 2011 11:21:35 PM

i have 2x corsair ddr3 240pin installed should be a total of 8gb of mem but only 4gb showing 2x 2gb (2gb per stick)

in cpu z it shows slot 1 and 2 both 2 gb not 4gb like it should state
a b } Memory
April 15, 2011 11:28:08 PM

I'm not accusing you of anything but, If Davcon's work-around does not work then you may not really have 8Gb of memory - you may have 4. Pull the sticks and check the label. I've seen this happen before.
April 15, 2011 11:43:49 PM

its defo 2x 4gb sticks corsair from scan.co.uk, i just dont knw if its anything t d with my bios settings, the latecy time settings ie clockspeeds, its the first time i have encuntered this problem, is there anything i can get info wise to give you guys and help in pointing out the problem
April 15, 2011 11:51:07 PM

and this is further info if this is any help,

Chipset
-------------------------------------------------------------------------

Northbridge AMD 790FX rev. 00
Southbridge AMD SB700 rev. 00
Graphic Interface PCI-Express
PCI-E Link Width x16
PCI-E Max Link Width x16
Memory Type DDR3
Memory Size 4096 MBytes
Channels Dual, (Ganged)
Memory Frequency 668.9 MHz (3:10)
CAS# latency (CL) 9.0
RAS# to CAS# delay (tRCD) 9
RAS# Precharge (tRP) 9
Cycle Time (tRAS) 24
Bank Cycle Time (tRC) 34
Command Rate (CR) 1T
Uncore Frequency 2006.8 MHz

Memory SPD
-------------------------------------------------------------------------

DIMM # 1
SMBus address 0x52
Memory type DDR3
Module format UDIMM
Manufacturer (ID) Corsair (7F7F9E0000000000)
Size 2048 MBytes ~ should be 4 gb
Max bandwidth PC3-10700H (667 MHz)
Part number CMX4GX3M2A1600C9
Number of banks 8
Nominal Voltage 1.50 Volts
EPP no
XMP yes
XMP revision 1.2
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 6.0-6-6-16-23 @ 444 MHz
JEDEC #2 8.0-8-8-22-30 @ 592 MHz
JEDEC #3 9.0-9-9-24-34 @ 666 MHz
XMP profile XMP-1600
Specification PC3-12800
Voltage level 1.650 Volts
Min Cycle time 1.250 ns (800 MHz)
Min tRP 11.25 ns
Min tRCD 11.25 ns
Min tWR 15.00 ns
Min tRAS 30.00 ns
Min tRC 50.63 ns
Min tRFC 110.00 ns
Min tRTP 7.50 ns
Min tRRD 7.50 ns
Command Rate 2T
XMP timings table CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage)
XMP #1 6.0-6-6-16-27-2T @ 533 MHz (1.650 Volts)
XMP #2 9.0-9-9-24-41-2T @ 800 MHz (1.650 Volts)

DIMM # 2
SMBus address 0x53
Memory type DDR3
Module format UDIMM
Manufacturer (ID) Corsair (7F7F9E0000000000)
Size 2048 MBytes ~ should be 4 gb
Max bandwidth PC3-10700H (667 MHz)
Part number CMX4GX3M2A1600C9
Number of banks 8
Nominal Voltage 1.50 Volts
EPP no
XMP yes
XMP revision 1.2
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 6.0-6-6-16-23 @ 444 MHz
JEDEC #2 8.0-8-8-22-30 @ 592 MHz
JEDEC #3 9.0-9-9-24-34 @ 666 MHz
XMP profile XMP-1600
Specification PC3-12800
Voltage level 1.650 Volts
Min Cycle time 1.250 ns (800 MHz)
Min tRP 11.25 ns
Min tRCD 11.25 ns
Min tWR 15.00 ns
Min tRAS 30.00 ns
Min tRC 50.63 ns
Min tRFC 110.00 ns
Min tRTP 7.50 ns
Min tRRD 7.50 ns
Command Rate 2T
XMP timings table CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage)
XMP #1 6.0-6-6-16-27-2T @ 533 MHz (1.650 Volts)
XMP #2 9.0-9-9-24-41-2T @ 800 MHz (1.650 Volts)

DIMM # 1
SPD registers
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00 92 10 0B 02 02 11 00 09 03 52 01 08 0C 00 34 00
10 6C 78 6C 3C 6C 11 20 95 70 03 3C 3C 01 2C 83 81
20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30 00 00 00 00 00 00 00 00 00 00 00 00 10 11 01 01
40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70 00 00 00 00 00 02 9E 01 00 00 00 00 00 00 2F 41
80 43 4D 58 34 47 58 33 4D 32 41 31 36 30 30 43 39
90 20 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00
A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
B0 0C 4A 11 12 01 08 01 08 00 2D 0A 5A 24 00 5A 5A
C0 5A 78 10 F0 95 3E 00 70 03 3C 3C 01 2C 3C 00 00
D0 10 00 23 00 00 00 00 00 00 00 00 00 00 00 00 00
E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

DIMM # 2
SPD registers
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00 92 10 0B 02 02 11 00 09 03 52 01 08 0C 00 34 00
10 6C 78 6C 3C 6C 11 20 95 70 03 3C 3C 01 2C 83 81
20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30 00 00 00 00 00 00 00 00 00 00 00 00 10 11 01 01
40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70 00 00 00 00 00 02 9E 01 00 00 00 00 00 00 2F 41
80 43 4D 58 34 47 58 33 4D 32 41 31 36 30 30 43 39
90 20 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00
A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
B0 0C 4A 11 12 01 08 01 08 00 2D 0A 5A 24 00 5A 5A
C0 5A 78 10 F0 95 3E 00 70 03 3C 3C 01 2C 3C 00 00
D0 10 00 23 00 00 00 00 00 00 00 00 00 00 00 00 00
E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

a c 347 } Memory
April 16, 2011 12:00:48 AM

Put the stick in either the black or orange slots.

BIOS:
Load Defaults
Change back BIOS settings like AHCI, Fan Control, etc - less is more.
DRAM Frequency -> DDR3-1600 MHz ; assuming your CPU supports you didn't list
{If you want to set the CAS Manually, AI OC Tuner -> Manual}
CPU NB Voltage -> 1.25v~1.30v **
DRAM Voltage -> 1.65v~1.68v **

** Use the lowest first and add as needed, 9/10 this is a voltage issue.
April 16, 2011 12:04:52 AM

i will do this and report back asap thanks for the quick reply.
April 16, 2011 12:14:32 AM

Looking at my bios now and im on the ai tweaker sub menu, done as stated and got dram changed to 1600mhz, but when i go to change cpu/nb freq the lowest value is 800mhz amd ht link speeds lowest value is 200mhz
April 16, 2011 12:16:04 AM

My bad just noticed its said freq instead of voltage, let me see lol
April 16, 2011 12:29:07 AM

jaquith said:
Put the stick in either the black or orange slots.

BIOS:
Load Defaults
Change back BIOS settings like AHCI, Fan Control, etc - less is more.
DRAM Frequency -> DDR3-1600 MHz ; assuming your CPU supports you didn't list
{If you want to set the CAS Manually, AI OC Tuner -> Manual}
CPU NB Voltage -> 1.25v~1.30v **
DRAM Voltage -> 1.65v~1.68v **

** Use the lowest first and add as needed, 9/10 this is a voltage issue.


tried as you suggested, but n luck would you think i might need a new set of ddr3 ram or maybe a new motherboard ?

P.s ive tried all possible voltage settings for the ram and when i go to the maximum limit of your suggestion and reboot the system it just hangs and i have t forcefully reboot the pc and change the values.

This is really frustrating me too
April 16, 2011 12:39:54 AM

CPU-Z

Binaries
CPU-Z version 1.57

Processors
Number of processors 1
Number of threads 4

APICs
Processor 0
-- Core 0
-- Thread 0 0
-- Core 1
-- Thread 0 1
-- Core 2
-- Thread 0 2
-- Core 3
-- Thread 0 3

Processors Information
Processor 1 ID = 0
Number of cores 4 (max 4)
Number of threads 4 (max 4)
Name AMD Phenom II X4 955
Codename Deneb
Specification AMD Phenom(tm) II X4 955 Processor
Package Socket AM3 (938)
CPUID F.4.2
Extended CPUID 10.4
Brand ID 13
Core Stepping RB-C2
Technology 45 nm
TDP Limit 125 Watts
Core Speed 3210.9 MHz
Multiplier x FSB 16.0 x 200.7 MHz
HT Link speed 2006.8 MHz
Instructions sets MMX (+), 3DNow! (+), SSE, SSE2, SSE3, SSE4A, x86-64, AMD-V
L1 Data cache 4 x 64 KBytes, 2-way set associative, 64-byte line size
L1 Instruction cache 4 x 64 KBytes, 2-way set associative, 64-byte line size
L2 cache 4 x 512 KBytes, 16-way set associative, 64-byte line size
L3 cache 6 MBytes, 48-way set associative, 64-byte line size
FID/VID Control yes
Min FID 4.0x
P-State FID 0x10 - VID 0x10 - IDD 21 (16.00x - 1.350 V)
P-State FID 0x9 - VID 0x18 - IDD 15 (12.50x - 1.250 V)
P-State FID 0x5 - VID 0x20 - IDD 11 (10.50x - 1.150 V)
P-State FID 0x100 - VID 0x2E - IDD 5 (4.00x - 0.975 V)

Package Type 0x1
Model 55
String 1 0x3
String 2 0x6
Page 0x0
CmpCap 4
ApicIdCoreSize 4
TDC Limit 84 Amps
Attached device PCI device at bus 0, device 24, function 0
Attached device PCI device at bus 0, device 24, function 1
Attached device PCI device at bus 0, device 24, function 2
Attached device PCI device at bus 0, device 24, function 3
Attached device PCI device at bus 0, device 24, function 4



Chipset
Northbridge AMD 790FX rev. 00
Southbridge AMD SB700 rev. 00
Graphic Interface PCI-Express
PCI-E Link Width x16
PCI-E Max Link Width x16
Memory Type DDR3
Memory Size 4096 MBytes
Channels Dual, (Ganged)
Memory Frequency 802.7 MHz (1:4)
CAS# latency (CL) 11.0
RAS# to CAS# delay (tRCD) 11
RAS# Precharge (tRP) 11
Cycle Time (tRAS) 29
Bank Cycle Time (tRC) 41
Command Rate (CR) 1T
Uncore Frequency 2006.8 MHz

Memory SPD
DIMM # 1
SMBus address 0x52
Memory type DDR3
Module format UDIMM
Manufacturer (ID) Corsair (7F7F9E0000000000)
Size 2048 MBytes
Max bandwidth PC3-10700H (667 MHz)
Part number CMX4GX3M2A1600C9
Number of banks 8
Nominal Voltage 1.50 Volts
EPP no
XMP yes
XMP revision 1.2
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 6.0-6-6-16-23 @ 444 MHz
JEDEC #2 8.0-8-8-22-30 @ 592 MHz
JEDEC #3 9.0-9-9-24-34 @ 666 MHz
XMP profile XMP-1600
Specification PC3-12800
Voltage level 1.650 Volts
Min Cycle time 1.250 ns (800 MHz)
Min tRP 11.25 ns
Min tRCD 11.25 ns
Min tWR 15.00 ns
Min tRAS 30.00 ns
Min tRC 50.63 ns
Min tRFC 110.00 ns
Min tRTP 7.50 ns
Min tRRD 7.50 ns
Command Rate 2T
XMP timings table CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage)
XMP #1 6.0-6-6-16-27-2T @ 533 MHz (1.650 Volts)
XMP #2 9.0-9-9-24-41-2T @ 800 MHz (1.650 Volts)

DIMM # 2
SMBus address 0x53
Memory type DDR3
Module format UDIMM
Manufacturer (ID) Corsair (7F7F9E0000000000)
Size 2048 MBytes
Max bandwidth PC3-10700H (667 MHz)
Part number CMX4GX3M2A1600C9
Number of banks 8
Nominal Voltage 1.50 Volts
EPP no
XMP yes
XMP revision 1.2
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 6.0-6-6-16-23 @ 444 MHz
JEDEC #2 8.0-8-8-22-30 @ 592 MHz
JEDEC #3 9.0-9-9-24-34 @ 666 MHz
XMP profile XMP-1600
Specification PC3-12800
Voltage level 1.650 Volts
Min Cycle time 1.250 ns (800 MHz)
Min tRP 11.25 ns
Min tRCD 11.25 ns
Min tWR 15.00 ns
Min tRAS 30.00 ns
Min tRC 50.63 ns
Min tRFC 110.00 ns
Min tRTP 7.50 ns
Min tRRD 7.50 ns
Command Rate 2T
XMP timings table CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage)
XMP #1 6.0-6-6-16-27-2T @ 533 MHz (1.650 Volts)
XMP #2 9.0-9-9-24-41-2T @ 800 MHz (1.650 Volts)


Monitoring
Mainboard Model M4A79T Deluxe (0x0000040D - 0x5692F965)

LPCIO
LPCIO Vendor ITE
LPCIO Model IT8720
LPCIO Vendor ID 0x90
LPCIO Chip ID 0x8720
LPCIO Revision ID 0x2

Hardware Monitors
Hardware monitor ITE IT87
Voltage 1 1.70 Volts [0x6A] (VIN1)
Voltage 2 1.17 Volts [0x49] (VIN2)
Voltage 3 5.11 Volts [0xBE] (+5V)
Voltage 4 4.05 Volts [0xFD] (VIN4)
Voltage 5 3.82 Volts [0xEF] (VIN5)
Voltage 8 3.36 Volts [0xD2] (VBAT)
Temperature 0 40°C (104°F) [0x28] (TMPIN0)
Temperature 1 29°C (84°F) [0x1D] (TMPIN1)
Fan 0 1844 RPM [0x16E] (FANIN0)
Fan PWM 0 99 pc [0x7F] (FANPWM0)
Fan PWM 1 99 pc [0x7F] (FANPWM1)
Fan PWM 2 99 pc [0x7F] (FANPWM2)

Hardware monitor AMD SB6xx/7xx
Voltage 0 1.35 Volts [0x1CE] (CPU VCore)
Voltage 1 3.52 Volts [0x27E] (CPU IO)
Voltage 2 12.58 Volts [0x27D] (+12V)

Hardware monitor NVIDIA NVAPI
Voltage 0 0.96 Volts [0x3C2] (VIN0)
Temperature 0 47°C (116°F) [0x2F] (TMPIN0)
Fan 0 1590 RPM [0x636] (FANIN0)
Fan PWM 0 44 pc [0x2C] (FANPWMIN0)


PCI Devices
Description Host Bridge
Location bus 0 (0x00), device 0 (0x00), function 0 (0x00)
Common header
Vendor ID 0x1002
Model ID 0x5956
Revision ID 0x00

Description PCI to PCI Bridge
Location bus 0 (0x00), device 2 (0x02), function 0 (0x00)
Common header
Vendor ID 0x1002
Model ID 0x5978
Revision ID 0x00

Description PCI to PCI Bridge
Location bus 0 (0x00), device 6 (0x06), function 0 (0x00)
Common header
Vendor ID 0x1002
Model ID 0x597C
Revision ID 0x00

Description PCI to PCI Bridge
Location bus 0 (0x00), device 7 (0x07), function 0 (0x00)
Common header
Vendor ID 0x1002
Model ID 0x597D
Revision ID 0x00

Description IDE Controller
Location bus 0 (0x00), device 17 (0x11), function 0 (0x00)
Common header
Vendor ID 0x1002
Model ID 0x4390
Revision ID 0x00

Description USB Controller (OHCI)
Location bus 0 (0x00), device 18 (0x12), function 0 (0x00)
Common header
Vendor ID 0x1002
Model ID 0x4397
Revision ID 0x00

Description USB Controller (OHCI)
Location bus 0 (0x00), device 18 (0x12), function 1 (0x01)
Common header
Vendor ID 0x1002
Model ID 0x4398
Revision ID 0x00

Description USB 2.0 Controller (EHCI)
Location bus 0 (0x00), device 18 (0x12), function 2 (0x02)
Common header
Vendor ID 0x1002
Model ID 0x4396
Revision ID 0x00

Description USB Controller (OHCI)
Location bus 0 (0x00), device 19 (0x13), function 0 (0x00)
Common header
Vendor ID 0x1002
Model ID 0x4397
Revision ID 0x00

Description USB Controller (OHCI)
Location bus 0 (0x00), device 19 (0x13), function 1 (0x01)
Common header
Vendor ID 0x1002
Model ID 0x4398
Revision ID 0x00

Description USB 2.0 Controller (EHCI)
Location bus 0 (0x00), device 19 (0x13), function 2 (0x02)
Common header
Vendor ID 0x1002
Model ID 0x4396
Revision ID 0x00

Description SMBus Controller
Location bus 0 (0x00), device 20 (0x14), function 0 (0x00)
Common header
Vendor ID 0x1002
Model ID 0x4385
Revision ID 0x3A

Description IDE Controller
Location bus 0 (0x00), device 20 (0x14), function 1 (0x01)
Common header
Vendor ID 0x1002
Model ID 0x439C
Revision ID 0x00

Description Multimedia device
Location bus 0 (0x00), device 20 (0x14), function 2 (0x02)
Common header
Vendor ID 0x1002
Model ID 0x4383
Revision ID 0x00

Description PCI to ISA Bridge
Location bus 0 (0x00), device 20 (0x14), function 3 (0x03)
Common header
Vendor ID 0x1002
Model ID 0x439D
Revision ID 0x00

Description PCI to PCI Bridge
Location bus 0 (0x00), device 20 (0x14), function 4 (0x04)
Common header
Vendor ID 0x1002
Model ID 0x4384
Revision ID 0x00

Description USB Controller (OHCI)
Location bus 0 (0x00), device 20 (0x14), function 5 (0x05)
Common header
Vendor ID 0x1002
Model ID 0x4399
Revision ID 0x00

Description Host Bridge
Location bus 0 (0x00), device 24 (0x18), function 0 (0x00)
Common header
Vendor ID 0x1022
Model ID 0x1200
Revision ID 0x00

Description Host Bridge
Location bus 0 (0x00), device 24 (0x18), function 1 (0x01)
Common header
Vendor ID 0x1022
Model ID 0x1201
Revision ID 0x00

Description Host Bridge
Location bus 0 (0x00), device 24 (0x18), function 2 (0x02)
Common header
Vendor ID 0x1022
Model ID 0x1202
Revision ID 0x00

Description Host Bridge
Location bus 0 (0x00), device 24 (0x18), function 3 (0x03)
Common header
Vendor ID 0x1022
Model ID 0x1203
Revision ID 0x00

Description Host Bridge
Location bus 0 (0x00), device 24 (0x18), function 4 (0x04)
Common header
Vendor ID 0x1022
Model ID 0x1204
Revision ID 0x00

Description USB Controller (UHCI)
Location bus 1 (0x01), device 6 (0x06), function 0 (0x00)
Common header
Vendor ID 0x1106
Model ID 0x3038
Revision ID 0x62

Description USB Controller (UHCI)
Location bus 1 (0x01), device 6 (0x06), function 1 (0x01)
Common header
Vendor ID 0x1106
Model ID 0x3038
Revision ID 0x62

Description USB 2.0 Controller (EHCI)
Location bus 1 (0x01), device 6 (0x06), function 2 (0x02)
Common header
Vendor ID 0x1106
Model ID 0x3104
Revision ID 0x65

Description OHCI FireWire Controller
Location bus 2 (0x02), device 0 (0x00), function 0 (0x00)
Common header
Vendor ID 0x1106
Model ID 0x3403
Revision ID 0x00

Description Ethernet Controller
Location bus 3 (0x03), device 0 (0x00), function 0 (0x00)
Common header
Vendor ID 0x10EC
Model ID 0x8168
Revision ID 0x01

Description VGA Controller
Location bus 4 (0x04), device 0 (0x00), function 0 (0x00)
Common header
Vendor ID 0x10DE
Model ID 0x06C0
Revision ID 0xA3

Description Multimedia device
Location bus 4 (0x04), device 0 (0x00), function 1 (0x01)
Common header
Vendor ID 0x10DE
Model ID 0x0BE5
Revision ID 0xA1


DMI
DMI BIOS
vendor American Megatrends Inc.
version 1303
date 06/10/2009

DMI System Information
manufacturer System manufacturer
product System Product Name
version System Version
serial System Serial Number
UUID {1E00FEE0-008C-FD01-6B31-0026188EE6A0}

DMI Baseboard
vendor ASUSTeK Computer INC.
model M4A79T Deluxe
revision Rev 1.xx
serial 101005460000374

DMI System Enclosure
manufacturer Chassis Manufacture
chassis type Desktop
chassis serial Chassis Serial Number

DMI Processor
manufacturer AMD
model AMD Phenom(tm) II X4 955 Processor
clock speed 3210.0 MHz
FSB speed 200.0 MHz
multiplier 16.0x

DMI Port Connector
designation PS/2 (internal)
designation PS2Mouse (external)
port type Keyboard Port
connector PS/2

DMI Port Connector
designation PS/2 (internal)
designation Keyboard (external)
port type Keyboard Port
connector PS/2

DMI Port Connector
designation USB1 (internal)
designation USB1 (external)
port type USB
connector Access Bus (USB)

DMI Port Connector
designation USB2 (internal)
designation USB2 (external)
port type USB
connector Access Bus (USB)

DMI Port Connector
designation USB3 (internal)
designation USB3 (external)
port type USB
connector Access Bus (USB)

DMI Port Connector
designation USB4 (internal)
designation USB4 (external)
port type USB
connector Access Bus (USB)

DMI Port Connector
designation USB5 (internal)
designation USB5 (external)
port type USB
connector Access Bus (USB)

DMI Port Connector
designation USB6 (internal)
designation USB6 (external)
port type USB
connector Access Bus (USB)

DMI Port Connector
designation 1394 (internal)
designation 1394 (external)
port type Firewire (IEEE P1394)
connector IEEE 1394

DMI Port Connector
designation F_ESATA (internal)
designation F_ESATA (external)

DMI Port Connector
designation LAN1 (internal)
designation LAN1 (external)
port type Network Port
connector RJ-45

DMI Port Connector
designation SPDIF_O1 (internal)
designation SPDIF_O1 (external)
port type Audio Port
connector Mini Jack (headphones)

DMI Port Connector
designation SPDIF_O2 (internal)
designation SPDIF_O2 (external)
port type Audio Port
connector Mini Jack (headphones)

DMI Port Connector
designation Line In (internal)
designation Line In (external)
port type Audio Port
connector Mini Jack (headphones)

DMI Port Connector
designation Line Out (internal)
designation Line Out (external)
port type Audio Port
connector Mini Jack (headphones)

DMI Port Connector
designation Mic In (internal)
designation Mic In (external)
port type Audio Port
connector Mini Jack (headphones)

DMI Port Connector
designation Center Out (internal)
designation Center Out (external)
port type Audio Port
connector Mini Jack (headphones)

DMI Port Connector
designation Surround Out (internal)
designation Surround Out (external)
port type Audio Port
connector Mini Jack (headphones)

DMI Port Connector
designation Side Surround Out (internal)
designation Side Surround Out (external)
port type Audio Port
connector Mini Jack (headphones)

DMI Port Connector
designation EATXPWR (internal)

DMI Port Connector
designation EATX12V (internal)

DMI Port Connector
designation CPU_FAN (internal)

DMI Port Connector
designation PWR_FAN (internal)

DMI Port Connector
designation CHA_FAN1 (internal)

DMI Port Connector
designation CHA_FAN2 (internal)

DMI Port Connector
designation CDIN (internal)
port type Audio Port
connector On Board Sound Input From CD-ROM

DMI Port Connector
designation AAFP (internal)
port type Audio Port
connector Mini Jack (headphones)

DMI Port Connector
designation SPDIF_OUT (internal)
port type Audio Port
connector Mini Jack (headphones)

DMI Port Connector
designation PRI_IDE (internal)
connector On Board IDE

DMI Port Connector
designation FLOPPY (internal)
connector On Board Floppy

DMI Port Connector
designation COM1 (internal)
connector 9 Pin Dual Inline (pin 10 cut)

DMI Port Connector
designation IE1394_2 (internal)
port type Firewire (IEEE P1394)
connector IEEE 1394

DMI Port Connector
designation SPI (internal)

DMI Port Connector
designation USB7 (internal)
port type USB
connector Access Bus (USB)

DMI Port Connector
designation USB8 (internal)
port type USB
connector Access Bus (USB)

DMI Port Connector
designation USB9 (internal)
port type USB
connector Access Bus (USB)

DMI Port Connector
designation USB10 (internal)
port type USB
connector Access Bus (USB)

DMI Port Connector
designation PANEL (internal)

DMI Port Connector
designation SATA1 (internal)

DMI Port Connector
designation SATA2 (internal)

DMI Port Connector
designation SATA3 (internal)

DMI Port Connector
designation SATA4 (internal)

DMI Port Connector
designation SATA5 (internal)

DMI Extension Slot
designation PCIEX16-1
type A5
populated yes

DMI Extension Slot
designation PCIEX16-2
type A5
populated no

DMI Extension Slot
designation PCIEX16-3
type A5
populated no

DMI Extension Slot
designation PCIEX16-4
type A5
populated no

DMI Extension Slot
designation PCI-1
type PCI
width 32 bits
populated no

DMI Extension Slot
designation PCI-2
type PCI
width 32 bits
populated yes

DMI OEM Strings
string[0] To Be Filled By O.E.M.
string[1] To Be Filled By O.E.M.
string[2] To Be Filled By O.E.M.
string[3] To Be Filled By O.E.M.

DMI Physical Memory Array
location Motherboard
usage System Memory
correction None
max capacity 8192 MBytes
max# of devices 4

DMI Memory Device
designation DIMM0
format DIMM
type unknown

DMI Memory Device
designation DIMM1
format DIMM
type unknown

DMI Memory Device
designation DIMM2
format DIMM
type DDR
total width 64 bits
data width 64 bits
size 2048 MBytes

DMI Memory Device
designation DIMM3
format DIMM
type DDR
total width 64 bits
data width 64 bits
size 2048 MBytes


Graphics
Number of adapters 1

Graphic APIs
API NVIDIA I/O
API NVIDIA NVAPI

Display Adapters
Display adapter 0
Name NVIDIA GeForce GTX 480
Revision A3
Codename GF100
Technology 40 nm
Memory size 1536 MB
PCI device bus 4 (0x4), device 0 (0x0), function 0 (0x0)
Vendor ID 0x10DE (0x3842)
Model ID 0x06C0 (0x1480)
Performance Level Default
Core clock 50.5 MHz
Shader clock 101.0 MHz
Memory clock 135.0 MHz
Performance Level 2D Desktop
Core clock 405.0 MHz
Shader clock 810.0 MHz
Memory clock 324.0 MHz
Performance Level 3D Applications
Core clock 405.0 MHz
Shader clock 810.0 MHz
Memory clock 1848.0 MHz
Performance Level 3D Applications
Core clock 700.5 MHz
Shader clock 1401.0 MHz
Memory clock 1848.0 MHz


Software
Windows Version Microsoft Windows 7 (6.1) Home Premium Edition (Build 7600)
DirectX Version 11.0
a b } Memory
April 16, 2011 1:25:27 AM

Paul Hargreaves said:
http://www.scan.co.uk/products/4gb-(2x2gb)-corsair-xms3-ddr3-pc3-12800-(1600)-non-ecc-unbuffered-cas-9-9-9-24-xmp-165v

thats the product i have

You've lost me since the linked ram is 2x2gb modules not 2x4gb sticks as you originally posted.
So unless you have two kits equal to 8gb i have no idea what your're on about.
a b } Memory
April 16, 2011 1:29:59 AM

@Paul Hargraves
You are posting a massive amount if irrelevant data.
April 16, 2011 9:02:39 AM

sorry about the irrelevent data amount :(  , im just not sure what is needed, to clarify i have two sticks dual channel ddr3 both have 4gb each to total 8gb
April 16, 2011 11:33:07 AM

Your link says you have two 2 gig sticks of ram. If thats what you got for your system you have the exact amount of ram you should have. and your post proves that

Website Part Number CMX4GX3M2A1600C9 - 4GB (2x2GB)
Your post Part number CMX4GX3M2A1600C9

You miss read when you bought the ram sorry but your ram is reading correctly. Its 4 gig total not 4 gigs per stick. I'm not even sure if that board could even read 4 gig sticks to begin with.
a c 347 } Memory
April 16, 2011 3:02:41 PM

Paul Hargreaves said:
tried as you suggested, but n luck would you think i might need a new set of ddr3 ram or maybe a new motherboard ?

P.s ive tried all possible voltage settings for the ram and when i go to the maximum limit of your suggestion and reboot the system it just hangs and i have t forcefully reboot the pc and change the values.

This is really frustrating me too

OMG you've got a bunch of stuff listed above...

My understanding is that you have 2 sticks of RAM period, if you have 4 sticks then 1 set in the orange and 1 set in the black. The size of orange 1 + black 1 {must} = orange 2 + black 2. DIMM_A1 + DIMM A2 = DIMM_B1 + DIMM_B2

Otherwise, try 'other' color slots. If orange fails then use black or visa versa. Increase the 'CPU NB Voltage' to 1.35v.

BIOS:
Load Defaults
Change back BIOS settings like AHCI, Fan Control, etc - less is more.
DRAM Frequency -> DDR3-1600 MHz ; assuming your CPU supports you didn't list
{If you want to set the CAS Manually, AI OC Tuner -> Manual}
CPU NB Voltage -> 1.30v~1.35v **
DRAM Voltage -> 1.65v~1.68v **

** Use the lowest first and add as needed, 9/10 this is a voltage issue.

If this fails then chances are your RAM is bad.
a b } Memory
April 17, 2011 11:12:12 AM

You have two 2 gigabyte sticks equaling 4 gigabytes.
April 17, 2011 11:42:14 AM

OMG lol im so sorry i feel like a T^%T lol
a c 347 } Memory
April 17, 2011 12:35:59 PM

Oooopsy! :) 

Yep 2X2GB = 4GB ; throttle back those voltages.

DRAM Frequency -> DDR3-1600 MHz ; assuming your CPU supports you didn't list
{If you want to set the CAS Manually, AI OC Tuner -> Manual}
CPU NB Voltage -> Auto
DRAM Voltage -> 1.65v

April 17, 2011 9:56:46 PM

Paul Hargreaves said:
tried what you stated above but no luck still states 4gb overall, here is an image of one of my stick, i do have 2 of these

http://img12.imageshack.us/i/ramsx.jpg


snip

nm,... just seeing that you found out your problem... carry on
!