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GA-EP43-UD3L issues

Last response: in Motherboards
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March 26, 2010 7:01:18 PM

I have the following build:
MB GIGABYTE GA-EP43-UD3L 775 P43 R
CPU INTEL|PDC E6300 2.8G 2M RT
HD 500G|SEAGATE ST3500418AS
VGA HIS H485QT512P HD4850 512M RT
PSU COMPUCASE|HP485D RETAIL 485W RT
MEM 2Gx2|CRUC CT2KIT25664AA800 R

i have no problem with any components being installed and working on this board except the ram, i put the ram in both yellow sockets (1/3) and memtest86 freezes, i put them in the red ones (2/4) it freezes. 1/4 & 2/3 also freeze, I try running each ram stick alone they are fine they pass the test. i want to note also i am able to boot fine with dual channeling but if i do anything ram intensive it will freeze.

Also i updated my bios to f8

screenshot of memtest freezing


bios settings

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Auto
CPU Clock Ratio ..........................:10
Fine CPU Clock Ratio.....................:+0.5
CPU Frequency ...........................: 2.8(266x10.5)


Clock Chip Control
Standard Clock Control
CPU Host Clock Control..................: [Disabled]
CPU Host Frequency (Mhz) ............:266 Mhz
PCI Express Frequency (Mhz) .........:auto

C.I.A.2 .................................:[Disabled]


Advanced Clock Control [Press Enter]
CPU Clock Drive...........................: 800
PCI Express Clock Drive.................:800
CPU Clock Skew (ps)....................: 0
MCH Clock Skew (ps)...................: 0


DRAM Performance Control
Performance Enhance...................: [turbo]
Extreme Memory Profile (X.M.P.).....: I do not have this setting
(G)MCH Frequency Latch...............: [Auto]
System Memory Multiplier ..............: auto
Memory Frequency (Mhz) ..............: 800
DRAM Timing Selectable ................: [auto]

Standard Timing Control
CAS Latency Time........................6
tRCD .........................................6
tRP'...........................................6
tRAS..........................................18

Set all Suggested below to highest Values first. Then later you can lower, one at a time, testing as you go

Advanced Timing Control
tRRD...........................................3
tWTR..........................................3
tWR............................................6
tRFC...........................................52
tRTP...........................................3
Command Rate (CMD) ....................:0

Driving Strength Profiles
Driving Strength ............................

Channel A
Static tRead Value.........................:5
tRD Phase0 Adjustment...................:Auto 0
tRD Phase1 Adjustment...................:Auto 0
tRD Phase2 Adjustment .................:Auto 1
tRD Phase3 Adjustment..................:Auto 1
Trd2rd(Different Rank)....................:Auto 6
Twr2wr(Different Rank)...................:Auto 6
Twr2rd(Different Rank)...................:Auto 5
Trd2wr(Same/Diff Rank)..................:Auto 8
Dimm1 Clock Skew Control...............:Auto ps
Dimm2 Clock Skew Control...............:Auto ps

Channel B
Static tRead Value.........................:5
tRD Phase0 Adjustment...................:Auto 0
tRD Phase1 Adjustment...................:Auto 0
tRD Phase2 Adjustment .................:Auto 1
tRD Phase3 Adjustment..................:Auto 1
Trd2rd(Different Rank)....................:Auto 6
Twr2wr(Different Rank)...................:Auto 6
Twr2rd(Different Rank)...................:Auto 5
Trd2wr(Same/Diff Rank)..................:Auto 8
Dimm1 Clock Skew Control...............:Auto ps
Dimm2 Clock Skew Control...............:Auto ps

Motherboard Voltage Control

CPU
CPU Vcore….……….1.2875............:Auto no over clocking

CPU Termination…..... 1.200V....: auto no over clocking
CPU PLL…………………....1.500V.......: I don't have a setting for that

CPU Referen.…………....0.805.......: auto


MCH/ICH
MCH Core…………….....1.100V...........:auto
MCH Reference….…….0.760V...........; Don't see it
MCH/DRAM Ref.…......0.900V...........: Don't see it
ICH I/O……………….....1.550V............: auto
ICH Core…………...……1.100V............: Don't see it

DRAM
DRAM Voltage ……....1.800V............:
DRAM Termination .…0.900V............: Don't see it
Channel A Reference 0.900V............: Don't see it
Channel B Reference 0.900V............: Don't see it

Advanced Settings
Limit CPUID Max. to 3.....................: [Disabled]
No-Execute Memory Protect............: [Enabled]
CPU Enhanced Halt (C1E)................: [Enabled]
C2/C2E State Support....................: [Disabled]
x C4/C4E State Support..................: [Disabled]
CPU Thermal Monitor 2(TM2) ...........: [Enabled]
CPU EIST Function.........................: [Enabled]
Virtualization Technology................: [Enabled] No i don't have virtual PC, i don't even know whats that

Integrated Peripherals
Legacy USB Storage Detect ..............[Enabled] Its on to use memtest

More about : ep43 ud3l issues

a c 161 à CPUs
a c 302 V Motherboard
March 26, 2010 7:23:10 PM

Hi.

IMO could be the RAM and not the mobo, can you test the rig with another RAM in dual-channel?
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March 26, 2010 7:30:56 PM

I don't have any ram in hand, but idid test each ram by it self and its fine,
i can boot the pc stay on it all day but once istart memtest or prime95 bled test or anyrhing ram intensive it will lock woth me not being able to move my mouse or do anything, even cap lock button not working. To be honest i am about to rip my hair off.
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Related resources
a c 161 à CPUs
a c 302 V Motherboard
March 26, 2010 7:38:30 PM

Well, with that I believe that could be the mobo.
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a b à CPUs
a c 177 V Motherboard
March 26, 2010 10:05:31 PM

Try this:

A lot of this is 'canned' - so if you've seen parts of it before, skip ahead!

GA-EP43-UD3L E4500 to 2.93 GHz
Intel E6300 1066FSB x10.5mult 2.8GHz .85-1.3625V Core R0 sSpec SLGU9 CPUID 1067Ah
Crucial CT2KIT25664AA800 R 4GB (2 x 2GB) 240-Pin SDRAM DDR2 800 memory: 6-6-6-?? nominal 1.8v

Gentle (but noticeable), no-risk, low-voltage Overclocking parameters (assuming anything but stock HSF...) are in italics...

If you haven't yet done it, pull out all but one stick, start with a BIOS' "Load Optimized Defaults"

Before we start ramping things up, I want to teach you a new skill involving the BIOS: Do the <DEL> at the boot to enter the BIOS;
notice, at the bottom, the <F11> "Save CMOS to BIOS" - hit this, and you should get a menu that will show a number (the count varies by BIOS) of empty 'slots', each of which will store an entire set of BIOS parameters, to be re-loaded from the corresponding <F12> "Load CMOS from BIOS"; this is a wonderful overclocker's feature. What I do with it, is to save my 'baseline' working parameters, so if I change something that 'irritates' the board, and forces a reset of all the parameters to defaults, or, even worse, get so screwed up I need to do a 'clear CMOS', I can get back to my starting point with no effort, and without having to remember 85 separate settings! Another thing it prevents is two hours' troubleshooting, having forgotten a change to a crucial parameter - like, "wait a minute - didn't I have the Trd at seven?!" It's pretty self-explanatory, and I alway urge people to start right away by taking the time to give the 'slots' names that mean something: in two hours, "Try2" and "Try3" will not be very helpful, but "450@+10MCH" and "450@+15MCH" will! Another use is for 'green' settings; overclocks, as a rule, do not 'play well' with green features, such as 'down-clocking' and 'down-volting'; with the storage slots, you can set up one profile, say "Green", with all the settings at 'stock' values, and all the 'green' features enabled; another, say "Balls2Wall" with a full overclock, and all the 'green' stuff turned off... Another neat feature of this 'slot' system is, for most BIOS, the mechanism itself will keep track of which ones have booted successfully, and how many times (up to, I believe, a max of five)!


On the "Advanced BIOS Features" page:

"CPU Enhanced Halt (C1E)" to "Disabled"
"C2/C2E State Support" to "Disabled"
"CPU Thermal Monitor 2 (TM2)" to "Enabled"
"CPU EIST Function" to "Disabled"
"Virtualization Technology" to "Enabled" - this allows use of Win7's fantastic VirtualXp feature...
"Full Screen LOGO Show" to "Disabled"

On the "Integrated Peripherals" page:

Your manual shows "Legacy USB storage detect", but later BIOS say "USB Storage Function" - either way, set to "Disabled"

On the "Power Management Setup" page:

"ACPI Suspend Type" to "S1(POS)" (for now...)
"HPET Support" to "Enabled"
"HPET Mode" to whichever OS type you're running - "32-bit" if an x86 version, "64-bit" if an x64 version...

On the "MB Intelligent Tweaker(M.I.T.)" page:

"Robust Graphics Booster" to "Auto"
"CPU Clock Ratio" to "10"
"Fine CPU Clock Ratio" to ".5"
"CPU Frequency" - this one can't be set, it's calculated, and will change when we set the next few items...

******** Clock Chip Control ********
>>>>> Standard Clock Control

"CPU Host Clock Control" to "Enabled"
"CPU Host Frequency (Mhz)" to "267"
"CPU Host Frequency (Mhz)" to "334"
"PCI Express Frequency (Mhz)" to "100" (not auto...)
"C.I.A.2" to "Disabled"

******** DRAM Performance Control ********
"Performance Enhance" to "Standard"
"(G)MCH Frequency Latch" to "266"
"(G)MCH Frequency Latch" to "333"
"System Memory Multiplier (SPD)" to "3.0 A"
"System Memory Multiplier (SPD)" to "2.4 B"
"Memory Frequency (Mhz)" - again, can't be set, it's calculated...
"DRAM Timing Selectable (SPD)" to "Manual"
You should be able to leave the rest of the memory settings alone; we haven't changed its actual speed, so the "LoadOpt" settings should keep working...

"Load-Line Calibration" to "Disabled" (this works differently on different boards - on mine, it's worse "enabled" than "disabled" - the function is supposed to cure a phenomenon called Vdroop - the CPU voltage regulation circuit causes the CPU core voltage to sag, or 'droop' under high loadings; hopefully, we're going to be at a low enough voltage to just ignore this...)
"CPU Vcore" to "1.2500V"

And that should do it!

I should point out that getting two reboots in a row here is perfectly normal behavior; it seems that, when you change certain settings (and we don't exactly know which ones - the only sure one I know is Trd - if you change it, I think you get the 'twin' reboot) it boots once to 'see where it's at', recalculates its remaining 'auto' settings, saves them, and then boots again. Three reboots in a row, however, usually indicates that the board was 'given indigestion' by your settings, and is going back to defaults. This sometimes goes astray, and it doesn't get back into proper operation - for example, at this point, mine will sometimes 'lock' itself into 111MHz x a six multiplier - and take a week to do a whole boot - that's time to do a CMOS reset, and use your 'stored' <F12> profile to get back to where you were...

Good luck!

Bill
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March 26, 2010 10:41:16 PM

well i did it with the overclock and it froze at windows log in, did it without the overclock ran fine like usual as soon as i started the blend test with prime it froze.
EDIT i did what you told me with two sticks both in yellow slots
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a b à CPUs
a c 177 V Motherboard
March 26, 2010 11:45:37 PM

Hmmm - odd, very odd. Try having a look at this: your northbridge sink is the big one, right next to your CPU. It is held in place by a pair of 'spread-pins' that snap through the board, and underneath the top 'heads' of the pins should be a couple little springs - try to get a look at 'em (dental mirror might help...) and see if either one looks damaged, and whether the sink itself is 'down' squarely on the bridge itself... You're only running two dimms, and they should be 'installing' (LoadOpt) at the stock JEDEC 1.8 - shouldn't be enough to run the bridge very hot, but your symptoms are exactly what happens when overclocking/overvolting a bridge (say, 4 DIMMs @ 2.1V and 1066) - runs OK 'till you 'push it'... I'm wondering if somehow the sink isn't being held in flat, complete contact with the bridge's thermal surface? Next step, my guess, might be to pull the sink (by carefully 'squeezing' the bottoms of the pins to release them [and be careful! don't let the eetsy-beetsy springs fly off into the room - or you'll be crawling on the floor for three hours - ask me how I know :pt1cable:  ] with a needle-nose...) to get a look at the thermal pad beneath... I always pull 'em, toss the thermal pads, lap the sinks, and use TIM paste on 'em, but then you've got to replace the pins with some nylon 4-40 screws, as the 'stack height' is smaller with the pad gone...
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March 27, 2010 1:21:44 AM

Thank you so much, i found out that my cpu fan is pushing it a little so i took of my fan and put it back making sure its not pushing it and now i am not freezing when i a run prime. Thank you Thank you.
i might do a memtest and check
your a genius
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a b à CPUs
a c 177 V Motherboard
March 27, 2010 5:49:32 PM

Always welcome! :hello: 

Not 'genius'; just really old [:bilbat:6]

You live long enough, you've seen "purt'near" everything - most of it, at least twice! [:bilbat:9]

Reminds me - the one thing that hasn't 'come back' is my beloved Nehru Jacket [:bilbat:2]
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!