Strange Memory Failure

[cfuller.1]

System Information:
ASUS P5Q Pro Turbo, MB
Intel P45 DC E5400 2.7GHz, Proc
ATI Radeon HD5450, GC
(2) F26400CL6D4GBMQ DDR2 800MHz, Mem. 4MB total.
Win7U x64, OS
ThermLake 450W, PS 120 & 80 Fan.
(3) 80 Chassis Cooling fans.
DYI System, less than year old.

Ran the Windows Memory Diagnostic program and found error.
Message said to see Computer Vendor.

Ran the MemTest86+ Diagnostic program, Failed on only Test 4 w/6 errors.
Being a old Computer Systems Field Tech, ran test on each DIMM, all slots.
Each DIMM passed. Put them in together Test 4 fails, w/ 6 errors.
MB recommends DIMMs be in Slots A1, B1
Moved DIMMs to Slots A2, B2 Fails once on Test 2, and 6 times on Test 4.
MB Paramiters set for Auto, CPU at Optimized. Defaults

So my question is: Do I have 2 DIMMs that can't play nice together, or do I have one that is causing issues? Or is it a MB setting that needs to be adjusted?

Any help would be appricated.
Respectfully,
Chuck Fuller
Enterprise Expert Center
Dell EEC Disk Storage Technician
Dell | EMC? Systems
EMC Proven Professional
EMC EMCIE Storage Technician
EMCPA, EMCIE, MCP, DCSE, AAS/EET

[Tradesman]

May need to raise either/or/both DRAM/NB voltage(s) to run 4 sticks - what are those voltages at now, also what is your DRAM timing tRFC at?

[cfuller.1]

Running 2x2MB sticks= 4MB.
Voltage & Timing set to Auto
Min Voltage 1.8, Specs for DIMMs call for 1.8-1.9
Timing is set to Auto= 25nS.

[Tradesman]

Try DRAM voltage at 1.85, and NB at 1.25

[cfuller.1]

Can only do +/-.02 Volts.
Tried it 1.84, 1.24 and 1.86, 1.26 just made it worse.
Failing address's
00044c04000 1100.0 MB
00563b6c000 1459.7 MB
00124b60000 4683.3 MB

Like I stated, if I test the DIMMs individually they both pass.

[Tradesman]

Do you have the latest BIOS? Could you post your BIOS settings?

[cfuller.1]

================================================== =
ASUS PC Probe II

System Information Report

Date: 2011/03/25 Time: 07:40:36
================================================== =

[ SMBIOS: Type0 ]
Vendor = American Megatrends Inc.
BIOS Version = 0602
Starting Address = 0xf000
BIOS Release Date = 08/04/2009
BIOS ROM Size = 1024 KBytes
BIOS Characteristics = 0x000000017f8bde90

[ SMBIOS: Type2 ]
Manufacturer = ASUSTeK Computer INC.
Product Name = P5Q PRO TURBO
Version = Rev 1.xx
Serial Number = 104011090001080

[ SMBIOS: Type4 ]
Socket = LGA 775
Type = Central Processor
Family = Other
Manufacturer = Intel
Processor ID = bfebfbff0001067a
Version = Pentium(R) Dual-Core CPU E5400 @ 2.70GHz
Voltage = 1.3 v
External Clock = 200 MHz
Max Speed = 3800 MHz
Current Speed = 2700 MHz
Status = CPU Enable

[ SMBIOS: Type5 ]
Error Dectecting Method = 64-bit ECC
Error Correcting Capability = None
Supported Interleave = One Way Interleave
Current Interleave = One Way Interleave
Maximum Memory Size = 4096 MBytes
Supported Speed = Other
Supported Type = DIMM
Voltage = 3.3 V
Associated Slots = 4

[ SMBIOS: Type6-1 ]
Socket = DIMM0
Bank Connection = RAS# 1,RAS# 0
Current Speed = 25 ns
Memory Type = DIMM
Installed Size = 2048 MBytes
Enabled Size = 2048 MBytes
Error Status = None

[ SMBIOS: Type6-2 ]
Socket = DIMM1
Bank Connection = RAS# 3,RAS# 2
Current Speed = Unknown
Memory Type = DIMM
Installed Size = Not Installed
Enabled Size = Not Installed
Error Status = None

[ SMBIOS: Type6-3 ]
Socket = DIMM2
Bank Connection = RAS# 5,RAS# 4
Current Speed = 25 ns
Memory Type = DIMM
Installed Size = 2048 MBytes
Enabled Size = 2048 MBytes
Error Status = None

[ SMBIOS: Type6-4 ]
Socket = DIMM3
Bank Connection = RAS# 7,RAS# 6
Current Speed = Unknown
Memory Type = DIMM
Installed Size = Not Installed
Enabled Size = Not Installed
Error Status = None

[ SMBIOS: Type7-1 ]
Socket = L1-Cache
Configuration = Internal,L1 cache,Write Back
Installed Size = 64 KBytes
Supported SRAM Type = Other
Current SRAM Type = Other
Cache Speed = Unknown
Error Correction Type = Parity
Cache Type = Data
Associativity = 8-way Set-Associative

[ SMBIOS: Type7-2 ]
Socket = L2-Cache
Configuration = Internal,L2 cache,Write Back
Installed Size = 2048 KBytes
Supported SRAM Type = Other
Current SRAM Type = Other
Cache Speed = Unknown
Error Correction Type = Single-bit ECC
Cache Type = Unified
Associativity = 8-way Set-Associative

[ SMBIOS: Type7-3 ]
Socket = L3-Cache
Configuration = Internal,L3 cache
Installed Size = No Cache Installed
Supported SRAM Type = None
Current SRAM Type = None
Cache Speed = Unknown
Error Correction Type = Unknown
Cache Type = Unknown
Associativity = Unknown

Not sure what settings you want.
The file has too many charicters to put in one thread.

[GSKILL TECH]

That's not it, we are looking for the memory settings to input in your BIOS.

AI Overclock Tuner..

Thank you
GSKILL TECH

[cfuller.1]

They are set to Auto.
It doesn't show what the Auto config has set it to.
If you know a way I can pull what it set I will be happy to send it to you.
Thank you,
cfuller.1

[GSKILL TECH]

They should work with AUTO settings, so I suppose send them in for RMA to see if a new kit works better.

Thank you
GSKILL TECH

[cfuller.1]

Sorry for getting back with you so late, but it's spring time here in Oklahoma and I had to cut out the under brush due to the wildfires.

So how do I go about the RMA process?
I know I need the reciept. Do I need the orginal packaging?
Thanks,
cfuller.1

[GSKILL TECH]

http://www.gskill.com/rma.php

For RMA, you just need to complete this form.

Thank you
GSKILL TECH