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DFI UT X58-T3EH8 - new 4/28 beta bios = 235Bclk

Joined
Jul 25, 2005
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Been playing with DFI's latest 4/28 pre-public beta bios and it seems to have improved memory clocking stability for Elpida IC modules as well as improved my max H20 cooled bclk validation from 233 on 3/28 pre-public beta bios to 235bclk on 4/28 bios. 4/28 is pre-public beta so flash at your own risk from here.

4/28 bios seems to be more tolerant of very tight subtimings .. so close to sub 9min 32M pi at :love:900Mhz!



sub 4000Mhz 32M



Max BCLK​





Super Pi 1M to 32M​




System:
  • i7 920 3836A756
  • EK Supreme LT 1366 / FESER 480 / MCP655
  • DFI UT X58-T3EH8 04/28 beta
  • 512MB Inno3D 8800GT OC Edition
  • 6GB Corsair Dominator GT DDR3-2000Mhz 7-8-7-20
  • 750GB Samsung SATAII
  • Silverstone OP1200 PSU
  • Dual boot - WinXP Pro SP3 / Vista Ultimate 64Bit SP2


Bios settings used.

Code:
[B]Genie BIOS Setting[/B]

[B]CPU Feature[/B]
Set VR Current Limit Max: Disabled
Thermal Management Control: Disabled
EIST Function: Disabled
CxE Function: Disabled
Execute Disable Bit: Disabled
Virtualization Technology: Disabled

[B]***** Logical Processor Setting *****[/B]
Intel HT Technology: Enabled
Active Processor Cores: All

[B]DRAM Timing[/B]
Channel Interleave Setting: AUTO
Rank Interleave Setting: AUTO
Memory LowGap: 1792M

DRAM Command Rate: AUTO
CAS Latency Time (tCL): 6
RAS# to CAS# Delay (tRCD): 7
RAS# Precharge (tRP): 6
Precharge Delay (tRAS): 20
REF to ACT Delay (tRFC): AUTO
Write to PRE Delay (tWR): AUTO
Rank Write to Read (tWTR): AUTO
ACT to ACT Delay (tRRD): AUTO
Row Cycle Time (tRC): 31
Read CAS# Precharge (tRTP): AUTO
Four ACT WIN Time (tFAW): 31
Ch1 Round trip latency: AUTO (-15 to +16)
Ch2 Round trip latency: AUTO (-15 to +16)
Ch3 Round trip latency: AUTO (-15 to +16)
tREFI: AUTO

[B]Voltage Setting[/B]
O.C. Shut Down Free: Enable O.C.S.D.F
CPU VID Control: 1.4500v
CPU VID Special Add Limit: Disabled
CPU VID Special Add: 103.30%
Vcore Droop Control: Disabled
DRAM Bus Voltage: 1.71v
DRAM PWM Switch Frequency: Nominal
DRAM PWM Phase Control: 2 Phase Operation
CPU VTT Special Add: 0.0875v
CPU VTT Voltage: 1.53v
VTT PWM Switch Frequency: Nominal
VTT PWM Phase Control: 2 Phase Operation
CPU PLL Voltage: 1.80v
IOH/ICH 1.1V Voltage: 1.29v
IOH Analog Voltage: 1.20v
ICH 1.5 Voltage: 1.5v
ICH 1.05V Voltage: 1.05v
DIMM 1/2 DQ/DQSTB Bus VREF: -00.0%
DIMM 3/4 DQ/DQSTB Bus VREF: -00.0%
DIMM 5/6 DQ/DQSTB Bus VREF: -00.0%
ADDR/CMD VREF Control: Disabled
x DIMM 1/2 ADDR/CMD Bus VREF: 110
x DIMM 3/4 ADDR/CMD Bus VREF: 110
x DIMM 5/6 ADDR/CMD Bus VREF: 110
CPU QPI Drive Strength: Normal
IOH QPI Drive Strength: Normal

Exit Setup Shut down: Mode 2
O.C. Fail Retry Counter: Enabled
O.C. Fail CMOS Reload: Disabled

PPM Function: Enabled
Turbo Mode Function: Disabled
1 core Max Turbo Ratio: 22x
2 core Max Turbo Ratio: 21x
3 core Max Turbo Ratio: 21x
4 core Max Turbo Ratio: 21x
CPU Non-Turbo Clock Ratio: 19x

[B]* BCLK/UCLK/QPI Controller Settings *[/B]
QPI Control Settings: Enabled
QPI Link Fast Mode: Enabled
QPI Frequency: AUTO
CPU Base Clock (BCLK): 230 Mhz
Boot Up CPU Base Clock: AUTO
PCIE Clock: 110 Mhz
DRAM Frequency: 8xx Memory multipliers
UnCore Frequency: 16x Uncore multipliers

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
 
Joined
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I see a O C shut down free in your bios? Is that a new feature where the motherboard doesnt shut down when you change bios features? Nice OC
 

Binge

Overclocking Surrealism
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Hey eva. I've noticed that there are a few new settings in the ram section of the bios as well as a LOT of new advanced bios settings. This looks like a big update for the motherboard. Thanks for sharing, and I'll be looking forward to some of your findings.
 
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o_O does DFI DK has this to? This is why DFI rocks... their BIOS..
 
Joined
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Location
Brisbane, Australia
Hey eva. I've noticed that there are a few new settings in the ram section of the bios as well as a LOT of new advanced bios settings. This looks like a big update for the motherboard. Thanks for sharing, and I'll be looking forward to some of your findings.
You're welcome.. there isn't that many new settings from 2/27 only 3x RTL options + TREFI option :)

o_O does DFI DK has this to? This is why DFI rocks... their BIOS..

AFAIK, DFI will apply UT X58 4/28 changes to DFI DK in next bios ;) :D

Starting to hit probably thermal limits of my i7 920 3836A756 on H20 cooling as 32M Pi seems to be topping out around 4680mhz with HT disabled. Only managed to shave ~1 second off my best 32M pi time with i7 920.

 

Binge

Overclocking Surrealism
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Power Supply Corsair HX-1000
Superb eva. That 32M is pretty fast all things considered.
 
Joined
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Location
Brisbane, Australia
Thanks.. yeah seems my cpu IMC is topping out around DDR3-2208Mhz 7-8-7-20 for 32M so can't try higher 10x mem multi high bclk max clock heh.

Did 2 runs on fresh Win 7 64bit RC install I did last night. Only change was CPU VTT voltage needed to pass Hyper Pi 8x 32M vs 4x 32M.

  1. 8x 32M Hyper Pi HT Enabled - CPU VTT = 1.44v
  2. 4x 32M Hyper Pi HT Disabled - CPU VTT = 1.47v needed more for 4x32M HT Disabled

RTL value for channel A changed when CPU VTT changed from 1.44v to 1.47v

RTL A/B/C = 56/57/58


RTL A/B/C = 55/57/58


Past bioses and tests, I found memory bandwidth in memtest86+ v2.11 was higher with HT disabled than HT enabled, so could explain why more CPU VTT volts is needed for HT disabled.

4//28 looking sweet indeed 8x 32M Super Pi instance via HyperPi @DDR3-2080Mhz 7-8-7-20 1T at 1.725v bios set vdimm = 1.730v real DMM vdimm.



 
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