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Evga 780i E8400 Cold Boot C1 Error - i4memory.com - different look at memory

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Old 22-05-2008, 12:08 PM   #1
paulxmn
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Evga 780i E8400 Cold Boot C1 Error

Although this motherboard and the E8400 is benching well I still get a cold boot error to C1 which requires a restart. All the voltages are correct for the memory and CPU. I re-flashed the Bios to P04. Any assistance would be helpful. I experienced the same problem with the Asus Striker until I set the timmings to 5.4.4.8 2T with the E6850. Memory for the 780i 2GB Corsair Dominators PC8500@1066.

Thanks
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Old 23-05-2008, 05:38 PM   #2
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Re: Evga 780i E8400 Cold Boot C1 Error

no fix for this, swapped memory and flashed Bios, appears to be a board problem...........only used for benching so I just have to live with it.
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Old 23-05-2008, 06:41 PM   #3
GizmoSLI
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Re: Evga 780i E8400 Cold Boot C1 Error

Hi....

It sounds like a ram speed/voltage issue....

are you running the PC8500 @ 2.2V?, try lowering the speed to 1033.
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Old 25-05-2008, 02:33 AM   #4
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Re: Evga 780i E8400 Cold Boot C1 Error

By GizmoSLI View Post
Hi....

It sounds like a ram speed/voltage issue....

are you running the PC8500 @ 2.2V?, try lowering the speed to 1033.
voltage is 2.2V, setting at 1066. Thanks will give the lower setting a try.
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Old 25-05-2008, 09:02 PM   #5
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Re: Evga 780i E8400 Cold Boot C1 Error

By GizmoSLI View Post
Hi....

It sounds like a ram speed/voltage issue....

are you running the PC8500 @ 2.2V?, try lowering the speed to 1033.
lowered the speed to 1033, no luck. Even at default settings a cold boot requires a restart and F1 to continue. Other than that the board benches and performs well. Thanks for the suggestion.

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Old 26-05-2008, 01:37 AM   #6
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Re: Evga 780i E8400 Cold Boot C1 Error

C1 sounds like a mem timing issue as it is not able to get through to C3.

Here's a template for the 780i from my board which has the key BIOS items which may help you.

BTW it is an XFX BIOS (P03 at the time) but it is running on an eVGA board so maybe some differences between the two.

Code:
eVGA/XFX 780i BIOS Settings

Advance Chipset Features

System Clocks

** Frequency Setting **
CPU Multiplier - x9
PCIe x16_3, MHz - 120
SSP<->MCP Ref Clock, MHZ - 250.0

** HT Multiplier **
nforce SPP --> nForce MCP 4 x
nforce SPP <-- nForce MCP 4 x

** Spread Spectrun Setting **
x CPU Spread Spectrun - Disabled
x HT Spread Spectrun - Disabled
x PCIe Spread Spectrun(MCP) - Disabled
x SATA Spread Spectrun - Disabled

FSB & Memory Config

FSB - Memory Clock Mode - Unlinked
x FSB - Memory Ratio - Auto
FSB (QDR), MHz - 1700
MEM (DDR), MHz - 907

Memory Timing Setting

Memory Timing Setting - Expert
tCL (CAS Latency) - 4
tRCD - 3
tRO - 3
tRAS - 8
Command Per Clock (CMD) - 2T

** Advance Memory Settings **
tRRD - Auto(4) (4)
tRC - Auto(26) (26)
tWR - Auto(6) (6)
tWTR - Auto(10) (9)
tREF - Auto (7.8uS)

CPU Configuration

Limit CPUID MaxVal - Disabled
Intel SpeedStep - Disabled
PPM Mode - Native Mode
CPU Thermal Control - Disabled
C1E Enhanced Halt State - Disabled
Excute Disable Bit - Disabled
Virtualization Technology - Disabled
CPU Core 0 - Enabled
CPU Core 1 - Enabled
CPU Core 2 - Enabled
CPU Core 3 - Enabled

System Voltages

CPU Core - 1.60000 (1.52v)
CPU FSB - Auto (1.4v)
Memory - 2.200v ( 2.200v)
nForce SPP - Auto (1.40v)
nForce MCP - Auto (1.500v)

GTLVREF Lane 0 - Auto (+00mv)
GTLVREF Lane 1 - Auto (+95mv)
GTLVREF Lane 2 - Auto (+00mv)
GTLVREF Lane 3 - Auto (+00mv)

HPET Function - Disabled

Intergrated Peripherials

RAID Config
IEEE1394 controller - Disabled
HD Audio - Disabled
IDE HDD Block Mode - Enabled
Onboard FDC Controller - Enabled
Onboard Serial Port 1 - Disabled

PnP/PCI Configurations
Init Display First - PCIEx
Reset Configuration - Disabled
Resources Controlled By - Auto(ESCD)

PCI/VGA Palette Snoop - Disabled
PCI Latency Timer(CLK) - 32

** PCI Express relative items **
Maximum Payload Size - 4096
They were settings used for a Q6600 and GeIL EVO 4Gb DDR 907 C4-3-3-8 2T BIOS Settings
CPUz Validation - http://valid.x86-secret.com/show_oc.php?id=307927

A 3DM06 run with the QX 450x9.

Look forward to seeing some OC'd results ... have fun.
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Old 26-05-2008, 04:41 PM   #7
paulxmn
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Re: Evga 780i E8400 Cold Boot C1 Error

Thanks for the suggestions and Bios settings, will try the settings but leave the existing Bios. I RMA'D an Evga 680i last November and was sent a first production run of the 780i without any additional cost. Those boards are known to have the problems I am experiencing and I do want to go to the expense of an International RMA again. You are lucky to be able to use the XFX Bios, since the boards are both "reference" I have experienced a bad Bios flash using the Evga, it appears that the Bios with the 680i (my particular case) was proprietary with Evga and I could not use any other "reference board" Bios's. The board is benching well reached 4000Mhz with the Q6600 and 4500Mhz with the E8400.


Last edited by paulxmn; 26-05-2008 at 09:35 PM.
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Old 03-06-2008, 09:07 AM   #8
paulxmn
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Re: Evga 780i E8400 Cold Boot C1 Error

Fixed. Moved 2GB Corsair Dominators PC8500 to memory slots 2 & 4....no change in performance.
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