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Thread: I865/I875 tweaker (beta version)

  1. #1
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    I865/I875 tweaker (beta version)

    This is a beta version, no save points for the moment and doesnt work with Win9x/ME

    The best parameter for the dram latency is 111 but u can test by yourself

    http://www.cpuid.org/download/Tw865.zip
    I love XS

    Road to CompTIA A+ (601, 602) and Network+ (N10-003) Certifications

    I want a Penryn 3.33G 12MB & quad sli Nvidia G92

  2. #2
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    pat on 865 for lga775 is possible?

  3. #3
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    Thanks for the link cpulloverclock..

  4. #4
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    Thanks for the link
    Will try it and post some feedback.

  5. #5
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    What is "DRAM Latency Parameter"??
    Last edited by enroscado; 10-20-2004 at 08:24 AM.

  6. #6
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    thats nice but need more settings
    SP32M : 18:31m
    SP8M : 3:59
    SP1M : 21sec
    Pifast 3.3 : 18,08
    3Dmark01 : 33k
    3Dmark03 : 14k

  7. #7
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    good to see an intel plattform tweaker like codereds amd plattform tweakers

    thx man

  8. #8
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    Works just fine, but very few options

  9. #9
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    good stuff, can't wait to see what the future versions will bring!

  10. #10
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    Quote Originally Posted by Alexandrus
    Works just fine, but very few options
    Say to me what is necessary to put in
    I love XS

    Road to CompTIA A+ (601, 602) and Network+ (N10-003) Certifications

    I want a Penryn 3.33G 12MB & quad sli Nvidia G92

  11. #11
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    Here are a few ideas from the top of my head:

    changing the RAM-Divider (1:1, 5:4, 3:2) on the fly
    changing the NB-Strap Settings (533, 667, 800) on the fly
    activating/deactivating PAT on the fly

    that's about all I can think of. Does anyone know what the "Turbo" "Streetracer" and "F1" Settings in the Abit-BIOSes are doing? Guess they are tightening up some settings, I'm not sure which though.

    Thanks a lot for this tool - I appreciate it.
    It certainly does make the comparison between different timings a lot easier.

  12. #12
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    Quote Originally Posted by moep
    Here are a few ideas from the top of my head:

    changing the RAM-Divider (1:1, 5:4, 3:2) on the fly
    changing the NB-Strap Settings (533, 667, 800) on the fly
    activating/deactivating PAT on the fly

    that's about all I can think of. Does anyone know what the "Turbo" "Streetracer" and "F1" Settings in the Abit-BIOSes are doing? Guess they are tightening up some settings, I'm not sure which though.

    Thanks a lot for this tool - I appreciate it.
    It certainly does make the comparison between different timings a lot easier.
    for the ram divider and Nb strap setting I dont know if it's possible without a reboot because with the AA8 he is necessary to reboot

    COPYRIGHT FRANCK DELATTRE
    Last edited by cpulloverclock; 10-19-2004 at 12:49 PM.
    I love XS

    Road to CompTIA A+ (601, 602) and Network+ (N10-003) Certifications

    I want a Penryn 3.33G 12MB & quad sli Nvidia G92

  13. #13
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    Quote Originally Posted by enroscado
    What is "DRAM Latency Parameter"??

    Oh, BTW, Thanks dude! Nice little tool!!
    Last edited by enroscado; 10-20-2004 at 08:25 AM.

  14. #14
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    Yet another Great tool by Franck

    111 seems to kill the OC w/ my IC7-G and 2x512MB thou. With the other settings I got a 1fps boost for lobby hi thou
    SR-e-5-e-e + 111 and other tweaks is damn fast for 200FSB thou - 155fps lobby hi w/ 3.4EE, 200FSB and stock X800XT PE (overall 27k)

  15. #15
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    Quote Originally Posted by macci
    Yet another Great tool by Franck

    111 seems to kill the OC w/ my IC7-G and 2x512MB thou. With the other settings I got a 1fps boost for lobby hi thou
    SR-e-5-e-e + 111 and other tweaks is damn fast for 200FSB thou - 155fps lobby hi w/ 3.4EE, 200FSB and stock X800XT PE (overall 27k)
    111 is the most aggressive parametre (too)
    with my I865 at high fsb (300 and more) I bench with 101 'cause the NB doesnt like 110 or 111, same thing at 240 and more

    with my I875 I bench with 110 and 111 at 260 1:1 and 101 or 110 at 290 and more

    offset 69 = 43 = 100 (default parameter Asus I865)
    offset 69 = 53 = 101 (the best for me to bench)
    offset 69 = 63 = 110 (default parameter Asus I875)
    offset 69 = 73 = 111

    offset 63 = 2F with Pat enabled (asus I875)
    offset 63 = 56 with pat disabled (asus I865)

    put 2E is very good in asynch mode with the I875 and I865


    2E and 101 with my P4P800SE :

    +100/+100




    default parameters P4C800-dx :


    optimizations :
    Last edited by cpulloverclock; 10-19-2004 at 02:03 PM.
    I love XS

    Road to CompTIA A+ (601, 602) and Network+ (N10-003) Certifications

    I want a Penryn 3.33G 12MB & quad sli Nvidia G92

  16. #16
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    Quote Originally Posted by cpulloverclock
    Say to me what is necessary to put in
    Well, Intel CPC, Fast CS, generally PAT options.
    Also, RAM divider would be great if it's possible.

  17. #17
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    Great tool, it just needs some implementation. I would definitely like an option to turn PAT ON/OFF.
    Asus P4C800ED P-M 730@2.8 7700Cu
    2X1GB OCZ - ATI X800XT AIW - OCZ PS 520W

  18. #18
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    Thanks for the link and the app. Options for enabling/disabling PAT and dividers will be really nice.

  19. #19
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    try to get access to all the ram timings you can

  20. #20
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    Great tool man , thank you a lot .
    More controls would be divine

  21. #21
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    Excellent tool, it has made quite a few people happy Thank you
    ctiaw seems to capture the new settings applied by the Tweaker

    FYI : i875P Tweaker Findings

    For my setup, Active to Precharge (tRAS) Max and Refresh Mode Select (RMS) values other
    than the default seems to make system slower (that's just me).
    You may want to determine the fastest settings (for these 2 parameters) at stock speed first.

    The following pics are found from the i875P Datasheet that relates to the parameters in the Tweaker.



    1. CL TIMINGS (11 = Reserved)




    2. REFRESH MODE SELECT (RMS) (111 = Fast Refresh Mode)




    3. DRAM LATENCY PARAMETER (** not sure about these, best match I found **)
    111 = Normal Operation, although reported to be fastest previously




    Also, 3DMark2001 seems to be able to measure performance changes in CL timings better as reported by Hipro5 here

    Regards,
    pokipoki
    Last edited by pokipoki; 10-20-2004 at 05:42 PM.

  22. #22
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    i875P TWEAKER FEATURE REQUEST

    @cpulloverclock

    I notice this list is a bit long Please implement at your convenience, your efforts are much appreciated. Thank you.

    1. PERFORMANCE REQUIREMENT BIT (PRB MSR_PLATFORM_BRV bits [18])
    This feature allows P4 Prescott (LGA775 & Socket478) to step down multiplier to the lowest in its class (x14 for Prescott). Tom's Hardware article
    I have found a document that indicates this feature (PRB) applies to Xeons as well.
    IA-32 Intel® Architecture Software Developer's Manual, Volume 3: System Programming Guide PDF page 750 or B-16




    2. CPU MULTIPLIER ADJUSTMENT FOR XEONS (IA-32_FLEX_BRVID_SEL MSR bits [15:8])
    By default, highest operating multiplier is set and used for the CPU. It can be adjusted as described by the document below, but I am unable to find the address of the MSR, BIOS programmers will have this info. I believe the tweak can be applied to both Nocona (FSB 800MHz) & Prestonia (FSB 533MHz) Xeons.
    Intel(R) Xeon(TM) Processor with 800 MHz System Bus Datasheet PDF page 14



    3. i875P CHIPSET TWEAKING
    Intel® 875P Chipset: Intel® 82875P Memory Controller Hub (MCH) Datasheet PDF

    MSR/HEX/Bits values are found in the following pages

    pg 17 i875P Block Diagram
    pg 19 & 135 AGP 2.0 High Priority Access
    pg 22 i875P Interface Block Diagram
    pg 36 & 72 IOQ Depth
    pg 51 & 82 Revision Identification Register (Device 0/Device 1)
    pg 56 CSA Basic Control register (Device 0)
    pg 63 SMRAM & TSEG
    pg 70 TOUD - Top of Used DRAM
    pg 71 - 72 MCH Configuration Register (Device 0)
    pg 114 DRAM Timing Register (Device 6, MMR)
    pg 115 DRAM Controller Mode Register (Device 6, MMR)
    pg 128 Dynamic Addressing Multiplexing Mode
    pg 129 Memory Operating Modes & Dynamic Adressing Modes
    pg 134 & 140 Memory Thermal Management
    pg 136 AGP [4X] [8X]

    Request Tweaker Functions
    i875P Revision/Stepping Information
    CSA [Enable] [Disable]
    AGP [4X] [8X]
    AGP FastWrite [Enable] [Disable]
    AGP 32-deep Request Queue [Enable] [Disable]
    AGP 2.0 High Priority Access [Enable] [Disable] [Status]
    AGP/PCI/PCI-X lock
    IOQ Depth [1] [12]
    Measurement/Adjustment of NB to SB throughput (Hub Interface)
    Multiplier adjustment of P4 ES models & Xeon Processors
    Measurement/Adjustment Chipset VID
    DRAM Frequency [DDR466] [DDR500] [DDR533] [DDR550] [DDR600]
    CPU/Memory ratio [6:5] [5:4] [4:5] [4:3] [3:4] [3:2]
    BSEL BootStrap : [100MHz] [133MHz] [166MHz] [200MHz] [266MHz] (for socket 478/604/775 : BSEL info will be supplied when requested)
    PRB Bit : [Enable] [Disable]
    PAT [Enable] [Disable] for all memory modules configuration (1 or 2 pair)
    Hyper-Threading [Enable] [Disable]
    System Memory Controller Opportunistic Refresh [Enable] [Disable] [Status]
    PCI Bus Mastering [Enable] [Disable] [Status]
    Spread Spectrum [Enable] [Disable] [Status]
    Memory Thermal Management [Enable] [Disable] [Status]
    TSEG [Enable] [Disable] [Status]
    TSEG Size [Enable] [Disable] [Status]
    High SMRAM [Enable] [Disable] [Status]


    *Intel Reserved Bit-Values can also be explored

    OFF-TOPIC

    LGA775 BOOTSTRAP FSB U-WIRE MOD (if it's even possible)

    Intel® Pentium® 4 Processor 560, 550, 540, 530 and 520 Datasheet PDF

    Intel® Pentium® 4 Processor 3.60F GHz, 3.40F GHz, 3.20F GHz on 90 nm Process in
    775-land LGA Package & supporting EM64T
    PDF
    (this PDF have Intel Secret stamps on some pages, it's not available on the Datasheet webpage yet)

    FSB 266MHz or 1066MHz is in here, higher bus-speed is possible


    page 21 : LGA775 : BSEL 0/1/2 PIN SIGNAL CONFIGURATION


    page 42 : LGA775 : Landout diagram : TOP VIEW (LEFT SIDE)

    Best Regards,
    pokipoki
    Last edited by pokipoki; 10-20-2004 at 09:44 PM.

  23. #23
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    New version here : http://www.cpuid.org/download/Tw865.zip

    - some bugs corrected
    - a performance mode parameter available
    - U can save with the Tw865.exe -file=save.txt command
    I love XS

    Road to CompTIA A+ (601, 602) and Network+ (N10-003) Certifications

    I want a Penryn 3.33G 12MB & quad sli Nvidia G92

  24. #24
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    Great app there cpulloverclock/franck

    I tested changing Abit's Game Accelerator settings on my IS7 to see if any of the settings in your app changed: -

    'Game Accelerator' -> Changes 'Performance Mode' (as expected) (Auto = Disabled, Turbo+SR+F1 = Enabled)
    'Refresh Cycle Time' -> Changes Nothing
    'Read Delay (tRD)' -> Changes Nothing
    'Read Delay Adjust (tRDA)' -> Changes 'DRAM Latency Parameter' (Disabled = 00, Enabled = 10)
    'CPC' -> Changes Nothing

    So, if tRD and CPC (and whatever 'Refresh Cycle Time' changes) options could be added in a future release that would be well appreciated.
    | 2.4C | IC7-G | G-Skill GH | 6800LE | S12 600W | Viewsonic 171B-2 | 3DMark '03 '05 |
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  25. #25
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    can someone please explaine to me what this programe does ?
    2.4G @ 3G water cooled (D1)
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