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Asus P5K Deluxe - Intel P35 Bearlake + Intel E6600 B1 ES / Q6600 Kentsfield / X6800 - i4memory.com - different look at memory
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Old 11-05-2007, 11:14 AM   #1
eva2000
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Asus P5K Deluxe - Intel P35 Bearlake + Intel E6600 B1 ES / Q6600 Kentsfield / X6800

After setting up my P5K Deluxe the other night, I decided to start off with my old trusty E6600 B1 ES and then move onto my Q6600 Kentsfield quad core cpu so as to be able to compare temps and results with my other motherboard adventures with the same cpu.

The P5K Deluxe shipped with 0123 bios but was updated to latest 0304 bios and flashed using USB drive and Ez Flash 2 in bios. You can see the bios screen shots here.

Asus P5K Deluxe Photos









Notes: - Will be continually updated as I progress.
  • Update to 0304 bios to fix the incorrect cpuz reported cpu/memory clock and timings.
  • Asus P5K Deluxe supports cpus from 800FSB and upward. But doesn't support 533FSB cpus. Read here.
  • Added: June 13th, 2007: Confirmation from bingo13/Gary from Anandtech here, black dimm slots are designed to be optimised for higher memory clocks/low latency clocks compared to yellow dimm slots. I found this out went revisiting Corsair 10000C5D Dominators in black dimm slots here.
  • Heads up for folks with PS/2 mouse, these new Asus P5K/P5K3 Deluxe boards removed the mouse PS/2 port in favour of USB mouse devices. So if you have a PS/2 mouse you'd either need to grab a USB mouse or PS/2 to USB adaptor http://www.auspcmarket.com.au/show_p...de]=CB-SKUSBPS. Unfortunately, for me that particular adaptor didn't work with my KVM switch mouse PS/2 connector cable so a USB mouse was needed.
  • Recovery from failed overclocks seems to be much better on Asus P5K Deluxe. Just turning off from power switch and powering psu off, wait a bit and power psu back on and power up would initiate the recovery mode - I see the bios detecting cpu at default 9x266FSB for my E6600 so i can F1 back into bios to set proper settings. No need for clear CMOS so far
  • Memory dividers available on Asus P5K Deluxe depend on the FSB Frequency set. Not all FSB Frequencies have all dividers available for them (well for 266FSB at least haven't tested the rest yet).
  • At 266FSB you have access to DDR2-667 (4:5), DDR2-800 (2:3), DDR2-889 (3:5), and DDR2-1067 (1:2). Photo
  • At 333FSB there's DDR2-667 (1:1), DDR2-800 (5:6), DDR2-833 (4:5), DDR2-1000 (2:3), DDR2-1067 (5:8), DDR2-1111 (3:5), and DDR2-1333 (1:2). Photo
  • At 400FSB there's DDR2-800 (1:1), DDR2-960 (5:6), DDR2-1000 (4:5), DDR2-1200 (2:3), DDR2-1280 (5:8), DDR2-1333 (3:5) and DDR2-1600 (1:2). Photo
  • At 500FSB there's DDR2-1000 (1:1), DDR2-1200 (5:6), DDR2-1250 (4:5), DDR2-1500 (2:3), DDR2-1600 (5:8), DDR2-1667 (3:5) and DDR2-2000 (1:2). Photo
  • Seems for at least 1:1, 4:5 and 2:3 dividers AUTO subtimings are set pretty tight, performing in Super Pi times just behind manually set subtimings of 3-30-8-3-6.
  • CPU Voltage Damper option in bios reduces vcore droop by as much as 75%. From approximately 0.032v droop to 0.008v droop! Finally, Asus answers our prayers in regards to vcore droop
  • Transaction Booster bios option when enabled, seems to boost memtest86+ v1.70 reported memory bandwidth. By default Transaction Booster is set to AUTO, but when Enabled or Disabled a sub menu appears in the form of levels. When enabled, Transaction Booster gives you an option to select 2 Boost levels of 0 or 1. When disabled, Transaction Booster gives you an option to select 3 different Relaxed levels between 0-3 - level 0 at least looks the same as AUTO set Transaction Booster in memtest86+ v1.70 bandwidth.
  • Interesting to note that for tests at 9x444FSB 1:1 4-4-4-4 2-20-2-2-2 at 2.1v vdimm that Transaction Booster AUTO and TRFC = 20, memtest reports 5383MB/s memory bandwidth compared with TRFC = 25 or 30 at 5201MB/s. But at TRFC = 20 if you enable Transaction Booster with Boost level 1, memtest still reports 5383MB/s. Could it be Transaction Booster Enabled just manipulates a tighter TRFC or other subtimings values ? Without memset for windows we won't be able to see what the subtimings are for real for now though.
  • The Stilt has figured out the strap changes for P5K Deluxe/P35 chipsets http://www.xtremesystems.org/forums/...9&postcount=17

    By The Stilt View Post
    On Asus P5K-series there are two strap changes:

    At 293FSB the board changes FSEL strap to 1333FSB to make more memory dividers available. This doesn´t have any effect to performance.

    The performance level is also changed for following dividers:

    1:2 Performance level changes from level 2 to level 1
    Level 1 is the tightest possible, so expect some huge bandwidth

    Dividers 3:5 & 1:2 are FSEL strapped to 800FSB.

    At 500FSB the performance level of all dividers are set more loose.

    1:1 Performance level changes from level 6 to level 10.
    Level 10 is the loosest one. Usually the chipset can handle level 5 just fine

    5:6 Performance level changes from level 5 to level 8.
    Setting level 4 should not be a problem.

    4:5 Performance level changes from level 4 to level 7.
    Setting level 4 - 3 should be fine.

    Since the memory frequency would get a bit high at bigger dividers I don´t have actual values for them. But I recon the values would be following:

    2:3 Level 3 -> Level 6
    5:8 Level 4 -> Level 7
    3:5 Level 2 -> Level 5
    1:2 Level 1 -> Level 4

Flashing bios on Asus P5K Deluxe:

Asus P5K Deluxe uses 2MB sized bios flash ROMs. So best way to flash or update your bios on Asus P5K Deluxe is to use a USB flash drive and the motherboard's own inbuilt EZ Flash 2 function:
  1. Put bios on USB drive
  2. Ensure USB legacy is enabled and boot into bios
  3. Use EZ Flash 2 in bios to select the bios on your usb drive.
  4. Follow prompts to flash and wait until the auto reboot happens.
  5. Sometimes it may not boot up straight away, so turn off system, clear CMOS and you should be up and running again.


Preliminary conclusions May 13th, 2007:

Asus P5K Deluxe is meant to be replacing the 965P chipset motherboards such as Asus P5B Deluxe/P5B-E etc with the flagship 975X chipset being replaced by Intel X38 chipset due out later. I think the Asus P5K Deluxe can potentially end up faster in memory bandwidth intensive tasks than 965P by virtue of the new dividers available 5:6 and 5:8 opens up alot more FSB/MEM combinations

So far i can say, Asus P5K Deluxe has all the good features of Asus P5W DH, Asus P5B Deluxe, Asus 680i Striker extreme, Asus Commando and Asus P5W64 WS Pro rolled into one Asus took alot of feedback into consideration when they designed P5K Deluxe it seems (some suggestions i put forth but I've sure other end user folk have put their 2 cents in too )

Pros:
  1. CPU Voltage Damper fixes the old vcore droop issue!
  2. High memory clocking like P5B Deluxe/Commando with upto 2.55v vdimm max
  3. High Kentsfield quad core fsb - folks been able to get their QX6700 to 480-500FSB compared with P5B Deluxe 400FSB or 450-480fsb with volt mods or 440-480FSB on Asus Commando
  4. Very good failed oc recovery like Asus 680i Striker extreme, less need for clearing CMOS on failed overclocks
  5. Cleaner cpu socket area for phase change or extreme cooling users like Asus Commando (my Commando just arrived on Friday so another adventure starting soon - this is for phase change )
  6. Stock auto performance is very fast on par with moderately tweaked P5B Deluxe in terms of memory bandwidth/super pi. Handles tighter subtimings for memory than P5B Deluxe but performance similar - so maybe loosened up a bit by default for P5K Deluxe.

Cons:
  1. Lack of PS/2 mouse port - for KVM switch PS/2 users like me it mights it a bit more complicated to use. I setup a spare USB mouse next to my PS/2 mouse and by passed my KVM switch PS/2 mouse connector cable but kept KVM PS/2 keyboard/monitor plugged in.
  2. No power/reset/clear cmos buttons like the Striker Extreme boards
  3. Bios chip it isn't replaceable but soldered/fixed on the board it seems. See page 2-3 of manual for the board diagram here. The bios chip is supposedly located at the centre point in between the last PCI3 and PCI-E 2 slot and the red IDE connector location. Directly in alignment with the battery. That would make the bios chip to be the soldered on square chip to the right of the 7 pin header pictured here ? But it has Crash Free 3 bios feature see page 4-7 of manual. Shove the included driver dvd disk the system and boot it up and it should attempt to do a recovery bios flash.
  4. Added May 17th, 2007: Folks over at hardforum.com have highlighted some possible layout concerns in that if 2x double slot video cards are used in the 2x PCI-E video card slots, it will render 2 out of 3 of the PCI slots unusable and the location of the front USB/Firewire connectors and IDE connector.

But those are preliminary conclusions.. only had the Asus P5K Deluxe and P5K3 Deluxe board for 4 1/2 days so far

The Asus P5K Deluxe isn't officially due out until later in May/June it seems, but alot of Australian retailers have started listing the motherboard just under AUD$400. Some of my favourite retailers include:

Last edited by eva2000; 13-06-2007 at 06:32 AM.
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Old 11-05-2007, 11:14 AM   #2
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Re: Asus P5K Deluxe - Intel P35 Bearlake + Intel E6600 B1 ES

E6600 B1 ES @2400Mhz - 9x266FSB stock AUTO vcore


System
  • E6600 QPGE B1 Step 5
  • Corsair Hydrocool 200EX 1/4" OD tubing
  • Asus P5K Deluxe 0304 bios
  • 128MB Gainward FX5200 PCI
  • 2x1GB Super Talent T1000UB1G5 Singles Micron D9GKX
  • 74GB WD Raptor 8MB on SATA 1 port
  • Pioneer DVR-08 Burner
  • Sony FDD
  • 1KW PCP&C SLI psu
  • WinXP Pro SP2

JumperFree Configuration Settings
AI Overclocking: Manual
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 266
PCI-E Frequency: 100
DRAM Frequency: AUTO (at 266FSB defaults to 2:3 for AUTO)
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 12
TWR: AUTO
TRFC: AUTO
TWTR: AUTO
TRRD: AUTO
TRTP: AUTO
DRAM Static Read Control: Disabled

Transaction Booster: AUTO
Clock Over-Charging Mode: AUTO

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

CPU Voltage: AUTO
CPU Voltage Reference: AUTO
CPU Voltage Damper: AUTO
CPU PLL Voltage: AUTO
DRAM Voltage: 2.10
FSB Termination Voltage: AUTO
North Bridge Voltage: AUTO
North Bridge Voltage Reference: AUTO
South Bridge Voltage: AUTO

Advance CPU Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
PECI: Enabled

USB Configuration
USB Functions: Enabled
Legacy USB Support: Disabled (need to enable it to detect USB flash drives)
Cpuz Validation:


Idle:




Load:


Post Load Idle:

Last edited by eva2000; 11-05-2007 at 11:25 AM.
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Old 11-05-2007, 11:15 AM   #3
eva2000
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Re: Asus P5K Deluxe - Intel P35 Bearlake + Intel E6600 B1 ES

CPU Voltage Damper Option


The Asus CPU Voltage Damper option in bios when enabled reduces vcore droop under load by alot it seems - ~75% reduction in vcore droop under load when enabled! 1.425v bios set in windows AI Suite reports 1.392-1.400v idle and 1.368v drooped under load by 0.032v. But with CPU Voltage Damper enabled, AI Suite reports 1.4080v idle vcore and 1.400v load vcore - only 0.008v vcore droop! Other bios set vcore options have similar reductions to only 0.008v vcore droop under load when CPU Voltage Damper is enabled

CPU Voltage Damper disabled @1.425v bios set vcore = 2.2857% vcore droop under orthos small FFTs load
CPU Voltage Damper enabled @1.425v bios set vcore = 0.5682% vcore droop under orthos small FFTs load


Last edited by eva2000; 11-05-2007 at 12:40 PM.
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Old 11-05-2007, 11:16 AM   #4
eva2000
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Re: Asus P5K Deluxe - Intel P35 Bearlake + Intel E6600 B1 ES

E6600 B1 ES @3600Mhz - 9x400FSB at 1.416v vcore


Okay to my everyday stable known overclock for my E6600 B1 ES cpu @3600Mhz. The P5K Deluxe handled my E6600 B1 ES much like my P5B Deluxe did needing slightly more vcore (1.416v loaded) to run Orthos stable compared to E6600 B1 ES on Asus P5W DH Deluxe motherboard (~1.38-1.39v vcore loaded).

System
  • E6600 QPGE B1 Step 5
  • Corsair Hydrocool 200EX 1/4" OD tubing
  • Asus P5K Deluxe 0304 bios
  • 128MB Gainward FX5200 PCI
  • 2x1GB Super Talent T1000UB1G5 Singles Micron D9GKX
  • 74GB WD Raptor 8MB on SATA 1 port
  • Pioneer DVR-08 Burner
  • Sony FDD
  • 1KW PCP&C SLI psu
  • WinXP Pro SP2

JumperFree Configuration Settings
AI Overclocking: Manual
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 100
DRAM Frequency: DDR2-800 (at 266FSB defaults to 2:3 for AUTO)
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 12
TWR: AUTO
TRFC: AUTO
TWTR: AUTO
TRRD: AUTO
TRTP: AUTO
DRAM Static Read Control: Disabled

Transaction Booster: AUTO
Clock Over-Charging Mode: AUTO

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

CPU Voltage: 1.43750v (1.4240v idle / 1.4160v load)
CPU Voltage Reference: AUTO
CPU Voltage Damper: Enabled
CPU PLL Voltage: 1.50v
DRAM Voltage: 2.10
FSB Termination Voltage: 1.30v
North Bridge Voltage: 1.40v
North Bridge Voltage Reference: AUTO
South Bridge Voltage: AUTO

Advance CPU Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
PECI: Enabled

USB Configuration
USB Functions: Enabled
Legacy USB Support: Disabled (need to enable it to detect USB flash drives)
Coretemp temperatures are pretty much same as Asus P5W DH, P5B Deluxe, and Intel D975XBX for 3600Mhz at 1.38-1.42v vcore Orthos loaded around 60-65C in 28.8C to 29.3C room ambient temps.

Load temps:


Post Load idle temps:

Last edited by eva2000; 11-05-2007 at 11:25 AM.
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Old 11-05-2007, 12:50 PM   #5
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Re: Asus P5K Deluxe - Intel P35 Bearlake + Intel E6600 B1 ES


Asus P5K Deluxe Timings/Subtimings
1:1 Memory Divider


I went back to look at my usual P5B Deluxe advance timings and decided to see how they relate to what P5K Deluxe offers so as to see what kind of advance timings I can start off testing with. After comparing them, I figured I'd start with same advance timing defaults as P5B Deluxe.

For P5K Deluxe:
JumperFree Configuration Settings
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 12
TWR: 6 (P5B Deluxe default = 6 with stable range = 3-6)
TRFC: 42 (P5B Deluxe default = 42 with stable range 20-42)
TWTR: 10 (P5B Deluxe default = 10 with stable range 9-10 with 11 for higher clocks)
TRRD: 10 (P5B Deluxe default = 10 with stable range = 2-10)
TRTP: 10 (P5B Deluxe default = 10 with stable range = 6-10)
DRAM Static Read Control: Disabled
* The comments in brackets next to values are how P5B Deluxe behaved with Micron D9xxx memory.

I'll use Super Pi v1.50 to showcase how much difference adjusting memory timings and subtimings has on bandwidth intensive applications performance.

Important to note, when looking at the Super Pi times, is that using E6600 B1 stepping ES cpu the Super Pi times are approximately 10-22 seconds slower clock for clock than retail Core 2 Duo B2 stepping cpus. I'll swap to a retail B2 stepping cpu after I used my E6600 B1 ES cpu to figure out the memory clock/timings behavioural characteristics of the Asus P5K Deluxe.

I'll start off with all sub timings being set to AUTO:

JumperFree Configuration Settings
AI Overclocking: Manual
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 100
DRAM Frequency: DDR2-800
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 12
TWR: AUTO
TRFC: AUTO
TWTR: AUTO
TRRD: AUTO
TRTP: AUTO
DRAM Static Read Control: Disabled

Transaction Booster: AUTO
Clock Over-Charging Mode: AUTO

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

CPU Voltage: 1.43750v (1.4240v idle / 1.4160v load)
CPU Voltage Reference: AUTO
CPU Voltage Damper: Enabled
CPU PLL Voltage: 1.50v
DRAM Voltage: 2.10
FSB Termination Voltage: 1.30v
North Bridge Voltage: 1.40v
North Bridge Voltage Reference: AUTO
South Bridge Voltage: AUTO

Advance CPU Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
PECI: Enabled

USB Configuration
USB Functions: Enabled
Legacy USB Support: Disabled (need to enable it to detect USB flash drives)
Subtimings all set to AUTO:



Then we'll tighten just tRAS to 4 but leave everything else the same (largesystemcache disabled in Windows XP Pro SP2):

JumperFree Configuration Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 100
DRAM Frequency: DDR2-800
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 4
TWR: AUTO
TRFC: AUTO
TWTR: AUTO
TRRD: AUTO
TRTP: AUTO


Then tighten subtimings to P5B Deluxe default values (largesystemcache disabled in Windows XP Pro SP2):

JumperFree Configuration Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 100
DRAM Frequency: DDR2-800
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 4
TWR: 6
TRFC: 42
TWTR: 10
TRRD: 10
TRTP: 10
As you can see from the slower 32M time, the AUTO set advance timings must be alot tighter than 6-42-10-10-10-10. Maybe Asus P5K Deluxe AUTO subtimings are picking up my Super Talent T1000UB1G5 memories advance subtimings set in SPD - see Everest Ultimate memory SPD settings here.



Then tighten subtimings even further (largesystemcache disabled in Windows XP Pro SP2):

JumperFree Configuration Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 100
DRAM Frequency: DDR2-800
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 4
TWR: 3
TRFC: 30
TWTR: 8
TRRD: 3
TRTP: 6
Faster than subtimings set at AUTO (largesystemcache disabled in Windows XP Pro SP2):



How tight can we go still at 2.1v vdimm (largesystemcache disabled in Windows XP Pro SP2):

JumperFree Configuration Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 100
DRAM Frequency: DDR2-800
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 4
TWR: 3
TRFC: 30
TWTR: 3
TRRD: 3
TRTP: 3


Easier chart comparison:



Important to note, when looking at the Super Pi times, is that using E6600 B1 stepping ES cpu the Super Pi times are approximately 10-22 seconds slower clock for clock than retail Core 2 Duo B2 stepping cpus.

Edit: It seems I had largesystemcache disabled in Windows XP Pro SP2 which might account for the slower times I'll rerun the last configuration of 4-4-4-4 3-30-3-3-3 again with largesystemcache enabled in Windows XP Pro SP2.

Largesystemcache enabled time is ~25 seconds faster:



From the above Super Pi 1:1 memory divider testing, we see that AUTO subtimings set are at least faster than 6-42-10-10-10-10 (AUTO subtimings 0.955% faster) but slightly slower than manually set 3-30-8-3-6 (AUTO subtimings 0.378% slower) and 3-30-3-3-3 (AUTO subtimings 1.098% slower). I'm guessing that AUTO subtimings' values are a bit looser but close to 3-30-8-3-6 manually set values.


Update: May 22, 2007
Use of B2 retail core 2 cpu


Here's an update using a retail B2 stepping cpu to show the differences in times compared to my E6600 B1 above.



Using 9x400FSB 1:1 settings below:

JumperFree Configuration Settings
AI Overclocking: Manual
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 100
DRAM Frequency: DDR2-800
DRAM Timing Control: Manual
CAS# Latency: 3 to 5
RAS# to CAS# Delay: 3 to 5
RAS# Precharge: 3 to 5
RAS# Activate to Precharge: 3 to 5
TWR: 3
TRFC: 30
TWTR: 3
TRRD: 3
TRTP: 3
DRAM Static Read Control: Disabled

Transaction Booster: Enabled
Boost Level: 1
Clock Over-Charging Mode: AUTO

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

CPU Voltage: 1.450
CPU Voltage Reference: AUTO
CPU Voltage Damper: Enabled
CPU PLL Voltage: 1.50
DRAM Voltage: 2.30v, 2.20v, 2.10v
FSB Termination Voltage: 1.30
North Bridge Voltage: 1.55
North Bridge Voltage Reference: AUTO
South Bridge Voltage: AUTO

Advance CPU Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
PECI: Enabled

USB Configuration
USB Functions: Enabled
Legacy USB Support: Disabled (need to enable it to detect USB flash drives)
@400Mhz 5-5-5-8 at 2.1v



@400Mhz 4-4-4-8 at 2.2v



@400Mhz 3-3-3-8 at 2.3v



Looks like difference was more than 20 seconds more like 40+ seconds!

Last edited by eva2000; 22-05-2007 at 03:57 AM.
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Old 11-05-2007, 12:50 PM   #6
eva2000
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Re: Asus P5K Deluxe - Intel P35 Bearlake + Intel E6600 B1 ES


Asus P5K Deluxe Timings/Subtimings
4:5 Memory Divider


Next up is looking at how 4:5 memory divider behaves on Asus P5K Deluxe using 0304 bios. First feature I noticed was that changing memory dividers also triggers off the the auto shutdown and auto restart process on only the bios exit in which you change the memory dividers. This is normal in order to properly set up the settings and only happens on the first change of memory dividers at exiting bios. Second item I noticed was there might be a bug in that PCI-E Frequency isn't locking properly when set to 100Mhz on first boot up after changing to 4:5 memory divider. Setting PCI-E Frequency to 102Mhz fixed the problem completely though. I've passed this finding onto Asus folks so let's see what they can do for the next bios release.

For 4:5 memory divider testing right now, I just wanted to find out what the bios set's for AUTO for the subtimings as memset doesn't support P35 Bearlake chipset as yet there's no way to know from within windows what AUTO values are used for subtimings.

I decided to run 2 sets of tests, one at AUTO subtimings and one at 3-30-3-3-3 manually set subtimings.

JumperFree Configuration Settings
AI Overclocking: Manual
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 102
DRAM Frequency: DDR2-1000
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 12
TWR: AUTO and 3
TRFC: AUTO and 30
TWTR: AUTO and 3
TRRD: AUTO and 3
TRTP: AUTO and 3
DRAM Static Read Control: Disabled

Transaction Booster: AUTO
Clock Over-Charging Mode: AUTO

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

CPU Voltage: 1.43750v (1.4240v idle / 1.4160v load)
CPU Voltage Reference: AUTO
CPU Voltage Damper: Enabled
CPU PLL Voltage: 1.50v
DRAM Voltage: 2.30
FSB Termination Voltage: 1.30v
North Bridge Voltage: 1.40v
North Bridge Voltage Reference: AUTO
South Bridge Voltage: AUTO

Advance CPU Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
PECI: Enabled

USB Configuration
USB Functions: Enabled
Legacy USB Support: Disabled (need to enable it to detect USB flash drives)
At AUTO Subtimings (largesystemcache enabled from now on):

JumperFree Configuration Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 102
DRAM Frequency: DDR2-1000
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 4
TWR: AUTO
TRFC: AUTO
TWTR: AUTO
TRRD: AUTO
TRTP: AUTO


Manually set subtimings (largesystemcache enabled from now on):

JumperFree Configuration Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 102
DRAM Frequency: DDR2-1000
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 4
TWR: 3
TRFC: 30
TWTR: 3
TRRD: 3
TRTP: 3


Important to note, when looking at the Super Pi times, is that using E6600 B1 stepping ES cpu the Super Pi times are approximately 10-22 seconds slower clock for clock than retail Core 2 Duo B2 stepping cpus. However, even for B1 stepping cpu it seems the 32M times are off a bit from past B1 times at 4:5 on other boards, I'll have to pluck in a B2 stepping cpu latter to see what's happening.



Again a similar pattern emerges as with 1:1 memory divider test in that manually set 3-30-3-3-3 sub timings is only 0.437% faster than AUTO subtimings configuration. In other words, AUTO subtimings values even on 4:5 divider are set pretty tight to begin with. This maybe good if you have a nice pair of Micron D9xxx based DDR2 memory with adequate vdimm memory voltage but might be too tight for other value memory.

I'm not sure if AUTO subtiming values are set by the memory's SPD programming ? If that was the case, then how fast or slow AUTO subtimings are would be dependent on your specific DDR2 memory modules' SPD programming ??

For value ram 4:5 divider mode, maybe it might be easier to start off with manually set subtiming values to 6-42-10-10-10 since it's alot looser and work your way down to tighter values ?

Last edited by eva2000; 12-05-2007 at 07:40 PM.
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Old 11-05-2007, 12:50 PM   #7
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Re: Asus P5K Deluxe - Intel P35 Bearlake + Intel E6600 B1 ES


Asus P5K Deluxe Timings/Subtimings
2:3 Memory Divider


Some observations from 2:3 memory divider testing:
  • In general this Super Talent memory doesn't like CAS4 much without alot of vdimm voltage. The same occured on Asus P5B Deluxe and Asus 680i Striker Extreme.
  • But flies at CAS5. I tried 4-4-4-4 at higher than 525mhz memory at 2.35v with AUTO subtimings and got some errors in memtest86+ v1.70.
  • Then I tried subtimings manually set to 6-42-10-10-10 and got alot less errors so I suspect AUTO subtimings are too tight but without memset in windows to see what's being set, decided to use 5-4-4-4 main timings and had no problems at all. So higher 2:3 memory divider tests are being done with 5-4-4-4 main timings.
  • Further proof of tight AUTO subtimings, in 2:3 memory divider @570Mhz 5-4-4-4 at 2.4v with AUTO subtimings there was alot of memtest errors. But at manual set subtimings 6-42-10-10-10 only 6 errors. But at @570Mhz 5-5-5-15 at 2.35v vdimm AUTO subtimings set the memtest bandwidth was same as @5-4-4-4 with 6-42-10-10-10 subtimings. So AUTO subtimings set with 5-5-5-15 main timings made up for the looser set main timings.
  • At 600mhz 5-5-5-15 it with AUTO subtimings the Super Talent memory only needed 2.35v vdimm which is the same as when I tested the memory on Asus P5B Deluxe with 1101 bios.

Like the 4:5 memory divider tests, I'll run 2 sets of tests, one at AUTO subtimings and one at 3-30-3-3-3 manually set subtimings.

JumperFree Configuration Settings
AI Overclocking: Manual
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 102
DRAM Frequency: DDR2-1200
DRAM Timing Control: Manual
CAS# Latency: 5
RAS# to CAS# Delay: 5
RAS# Precharge: 5
RAS# Activate to Precharge: 15
TWR: AUTO and 3
TRFC: AUTO and 30
TWTR: AUTO and 3
TRRD: AUTO and 3
TRTP: AUTO and 3
DRAM Static Read Control: Disabled

Transaction Booster: AUTO
Clock Over-Charging Mode: AUTO

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

CPU Voltage: 1.43750v (1.4240v idle / 1.4160v load)
CPU Voltage Reference: AUTO
CPU Voltage Damper: Enabled
CPU PLL Voltage: 1.50v
DRAM Voltage: 2.35
FSB Termination Voltage: 1.30v
North Bridge Voltage: 1.40v
North Bridge Voltage Reference: AUTO
South Bridge Voltage: AUTO

Advance CPU Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
PECI: Enabled

USB Configuration
USB Functions: Enabled
Legacy USB Support: Disabled (need to enable it to detect USB flash drives)
At AUTO Subtimings (largesystemcache enabled from now on):

JumperFree Configuration Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 102
DRAM Frequency: DDR2-1200
DRAM Timing Control: Manual
CAS# Latency: 5
RAS# to CAS# Delay: 5
RAS# Precharge: 5
RAS# Activate to Precharge: 15
TWR: AUTO
TRFC: AUTO
TWTR: AUTO
TRRD: AUTO
TRTP: AUTO


Manually set subtimings (largesystemcache enabled from now on):

JumperFree Configuration Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Frequency: 400
PCI-E Frequency: 102
DRAM Frequency: DDR2-1300
DRAM Timing Control: Manual
CAS# Latency: 5
RAS# to CAS# Delay: 5
RAS# Precharge: 5
RAS# Activate to Precharge: 15
TWR: 3
TRFC: 30
TWTR: 3
TRRD: 3
TRTP: 3


Important to note, when looking at the Super Pi times, is that using E6600 B1 stepping ES cpu the Super Pi times are approximately 10-22 seconds slower clock for clock than retail Core 2 Duo B2 stepping cpus.



Again the same pattern as with 1:1 and 4:5 memory dividers in that AUTO subtiming values in 2:3 divider mode are already set pretty tight out of the box. Auto subtiming values are only 0.251% slower than manually set subtimings of 3-30-3-3-3.




.

Last edited by eva2000; 12-05-2007 at 10:48 PM.
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Old 11-05-2007, 12:50 PM   #8
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Re: Asus P5K Deluxe - Intel P35 Bearlake + Intel E6600 B1 ES

Just doing some quick screenies at 7x501FSB 1:1 and also checking out Super Talent PC2-8000 memory with the new 5:8 divider available on Asus P5K Deluxe @614mhz 5-5-5-5 at 2.45v

7x501FSB 1:1


5:8 divider @614mhz 5-5-5-5 at 2.45v


That's 9mhz better than on Asus P5B Deluxe with same memory @605mhz 5-5-5-15 6-42-11-10-10-10 at 2.45v IIRC!

Important to note, when looking at the Super Pi times, is that using E6600 B1 stepping ES cpu the Super Pi times are approximately 10-22 seconds slower clock for clock than retail Core 2 Duo B2 stepping cpus.




.

Last edited by eva2000; 13-05-2007 at 07:44 PM.
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