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29-10-2009, 11:13 PM
#3 (permalink)
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Trying to figure out max super pi 32M bclk headroom for this i7 920 3845B260 cpu and it looks very nice managing to boot straight from bios into windows at 227bclk bios set (226.8bclk) to run Super Pi 32M and then using Asus TurboV to push bclk to 228bclk (227.7bclk) to run Super Pi 32M. Ended up with screenie @229bclk (228.7bclk)
System:- Intel Core i7 920 3845B260
- EK Supreme LT 1366 / FESER 480 / MCP655
- Asus P6T6 WS Revolution
- Gskill Trident F3-16000CL9T-6GBTD
- 512MB Inno3D 8800GT OC Edition 190.62WHQL
- 750GB Samsung SATA
- Pioneer DVR-217 DVD-RW
- Corsair HX1000 PSU
- Dual Boot - WinXP Pro SP3 (nLite fully updated) with Vista Theme & Win7 Ultimate 64bit RTM
bios set boot into windows @227bclk
TurboV bumped to 228bclk and 229bclk
Bios settings
Code:
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AI Tweaker
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AI Overclock Tuner: Manual
CPU Ratio Setting: 18
Intel(R) SpeedStep(TM) Tech: Disabled
BCLK Frequency: 227
PCIE Frequency: 104
DRAM Frequency: DDR3-1818Mhz
UCLK Frequency: 3634Mhz
QPI Link Data Rate: AUTO
*******************
DRAM Timing Control
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DRAM CAS Latency: 8 DRAM Clock
DRAM RAS# to CAS# Delay : 9 DRAM Clock
DRAM RAS# PRE Time: 8 DRAM Clock
DRAM RAS# ACT Time: 24 DRAM Clock
DRAM RAS# to RAS# Delay: AUTO
DRAM REF Cycle Time: 88
DRAM WRITE Recovery Time: AUTO
DRAM READ to PRE Time: AUTO
DRAM FOUR ACT WIN Time: 31
DRAM Back-To-Back CAS# Delay: AUTO
DRAM Timing Mode: 1N
DRAM Round Trip Latency on CHA: AUTO
DRAM Round Trip Latency on CHB: AUTO
DRAM Round Trip Latency on CHC: AUTO
DRAM WRITE To READ Delay(DD): AUTO
DRAM WRITE To READ Delay(DR): AUTO
DRAM WRITE To READ Delay(SR): AUTO
DRAM READ To WRITE Delay (DD): AUTO
DRAM READ To WRITE Delay (DR): AUTO
DRAM READ To WRITE Delay (SR): AUTO
DRAM READ To READ Delay(DD): AUTO
DRAM READ To READ Delay(DR): AUTO
DRAM READ To READ Delay(SR): AUTO
DRAM WRITE To WRITE Delay(DD): AUTO
DRAM WRITE To WRITE Delay(DR): AUTO
DRAM WRITE To WRITE Delay(SR): AUTO
****************************
CPU Voltage: 1.29375v
CPU PLL Voltage: 1.80
QPI/DRAM Core Voltage: 1.50
IOH Voltage: 1.22
IOH PCIE Voltage: 1.50
ICH Voltage: 1.10
ICH PCIE Voltage: 1.50
DRAM Bus Voltage: 1.70
DRAM DATA REF Voltage on CHA: AUTO
DRAM CTRL REF Voltage on CHA: AUTO
DRAM DATA REF Voltage on CHB: AUTO
DRAM CTRL REF Voltage on CHB: AUTO
DRAM DATA REF Voltage on CHC: AUTO
DRAM CTRL REF Voltage on CHC: AUTO
****************************
Load-Line Calibration: AUTO
CPU Differential Amplitude: 1000mv
CPU Clock Skew: Delay 300ps
CPU Spread Spectrum: Disabled
IOH Clock Skew: AUTO
PCIE Spread Spectrum: Disabled
CPU Advance Settings
C1E Support: Disabled
Hardware Prefetcher: Enabled
Adjacent Cache Line Prefetcher: Enabled
Intel (R) Virtualization Tech: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
Intel (R) HT Technology: Enabled
Active Processor Cores: ALL
A20M: Disabled
Intel(R) SpeedStep(TM) Tech: Disabled
Intel (R) C-State Tech: Disabled
****************************
Express Gate: Disabled