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Gigabyte BIOS Optimal Settings: BSOD Help

Windows XP PRO SP
Gigabyte EP45T-UD3LR rev 1.0 MOBO
Intel® Core™2 Quad Processor Q8300
(4M Cache, 2.50 GHz, 1333 MHz FSB)
ATI Radeon HD 4670 1GB
Patriot PGV34G1333ELK Sector 5 2x2GB PC10666 RAM - DDR3, 1333MHz, 2x2048MB, 9-9-9-27
640GB Caviar Blue
Antec EarthWatts EA650 650W Continuous Power ATX12V Ver.2.2 / EPS12V version 2.91
CPU Cooler

Problem: Blue Screen of Death at random intervals.

- STOP: 0x0000000A (0x...,0x...,0x...,0x...) "IRQL_NOT_LESS_OR_EQUAL" - occurred while installing Windows XP PRO SP3 (originally had Windows 7 which BSOD more often).
- STOP: 0x0000008E (0x...,0x...,0x...,0x...) "KERNEL_MODE_EXCEPTION_NOT_HANDLED" - occurred overnight in XP PRO SP3

**Memtest-86 v3.5a**

Intel Core 2 2500 MHz
L1 Cache: 32K 35207 MB/s
L2 Cache: 2048K 16338 MB/s
L3 Cache: None
Memory : 4095M 5091 MB/s
Chipset : Intel P45/G45 - FSB: 333 MHz - Type: DDR3
Settings: RAM: 533 MHz (DDR1066) / CAS: 7-7-7-20 / Dual Channel

**Prime95**

System Temp: ~35'C
CPU Temp: ~25'C
Vcore: 1.188 V
DDR15V: 1.504 V
+3.3V: 3.328 V
+12V: 11.858 V

After few hours: FATAL ERROR: rounding was .49..., expected less than .4

I have read the other posts that many people have reported similar instability issues with this MOBO. Load Optimized Defaults looks the same as Load Fail-Safe for me in the MB Tweaker.

Can anyone recommend an optimal BIOS configuration? Currently at Fail-Safe with DRAMV set at 1.66V.
6 answers Last reply Best Answer
More about gigabyte bios optimal settings bsod help
  1. BSODs are more commonly related to RAM-related problems. I strongly recommend that you use the most current version of MT86+ (4.2) and run the test on your RAM, one stick at a time. Be sure to configure your RAM to the settings displayed on the sticker or packaging. Allow the tests to run for 8-10 passes. If MT86+ 4.2 finds any errors, replace your RAM.
  2. I just noticed something, Gigabyte EasyTune 6 reports my RAM as PC3-8500F (533 MHz) 7-7-7-20, which I recall seeing in the BIOS as well.

    But the sticker on my RAM sticks say: Patriot PGV34G1333ELK Sector 5 4GB PC10666 RAM - DDR3, 1333MHz, 2x2048MB, 9-9-9-24

    Is this a problem?
  3. Not necessarily, but using the settings specified on the stickers will eliminate one more area to check. Once the RAM settings are identical to what the stickers display, run MT86+ again.
  4. Best answer
    If those are the timings shown in the bios..then most likely this your problem..those timings are pretty tight and i doubt most ram can be tightened that much from stock...
    Definately go into bios and configure your ram to stock specs....JQ
  5. I'll do that and report asap. Thanks!
  6. Best answer selected by zyphirr.
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