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  1. #1
    Joined
    Jan 2001
    Posts
    2
    Hi,

    I am having considerable stability problems with my new PC. After some browsing on the Internet I concluded that I am not the only one suffering problems with the combination A7V and a GeForce2 (V7700).
    I have updated the A7V BIOS to 1005c, and all drivers (VIA 4in1, VIA AGP, Promise ATA100), but the problems still occur (maybe less often...).

    I read the following solution:
    Set AGP Driving Control to MANUAL, and AGP Driving Value to E7 for KT133 mobo's.

    Unfortunately the A7V BIOS shows two entries:
    AGP drive strength P Ctrl
    AGP drive strength N Ctrl
    For each a 1-digit hex-number can be entered.

    I suspect that these are two nibbles that form the E7 byte. Is this correct? And if so which one should contain the E and 7? Can something be broken if it is set to a wrong number?

    Thanks.
    Aad

  2. #2
    Joined
    Dec 2000
    Location
    Smithtown, NY usa
    Age
    70
    Posts
    3,333

    Wink This is troublesome

    Originally posted by Aad.Rijnberg@hetnet.nl
    Hi,

    I am having considerable stability problems with my new PC. After some browsing on the Internet I concluded that I am not the only one suffering problems with the combination A7V and a GeForce2 (V7700).
    I have updated the A7V BIOS to 1005c, and all drivers (VIA 4in1, VIA AGP, Promise ATA100), but the problems still occur (maybe less often...).

    I read the following solution:
    Set AGP Driving Control to MANUAL, and AGP Driving Value to E7 for KT133 mobo's.

    Unfortunately the A7V BIOS shows two entries:
    AGP drive strength P Ctrl
    AGP drive strength N Ctrl
    For each a 1-digit hex-number can be entered.

    I suspect that these are two nibbles that form the E7 byte. Is this correct? And if so which one should contain the E and 7? Can something be broken if it is set to a wrong number?

    Thanks.
    Aad
    This is troublesome.

    What kind of problems?



    And yes I have seen recommendations on manually setting the strength.

    I do not know if you are already overclocking or doing other custom things.

    So, far I have been updating my configuration adn avoiding any tweaking other than latest drivers and latest bios and latest windows updates,etc.

    I put my ASUS agp v7700 deluxe in and off it went no problems at all.

    So, I am asking and talking blindly to you.

    I would go back and set my bioses to default, eliminate any overclocking, etc.

    See what happens. The asus v7700 does support agp 4x mode and fastwrite.

    But, if I remember I let the system figure all that out.

    I will go back and look at some of my system info to see what is up.

    I have not messed with memory, clock speed or anything.

    Please post your configuration in detail so we can all take a look at your layout in your PC

    Thanks,



    ASUS P5K-SE, Q6600, 2 GIG CORSAIR @2.7GHZ ATI X1900XT



    Watch This Wonderful Movie about the benefits of Folding

  3. #3
    Joined
    Jan 2001
    Posts
    9

    Talking

    I had a lot of problems with A7V+V7700 too. My ram is probably not the best, so that was probably the culprit.
    I crashed in games and 3DMark2000.

    However I reduced the VIO to 3.35 Volts, and that did the trick.

    At the moment everything is running smoothly and stable, my Tb 900@1010, my 133 RAM at 3-3-2 gives a 3DMark score of 6500. Not the best, but I'm still experimenting and improving the results.

    Oh, by the way, I have AGP driving control to Auto

    [Edited by Vidar on 01-27-2001 at 12:04 PM]

  4. #4
    Joined
    Jan 2001
    Posts
    2
    HARDWARE CONFIGURATION:

    A7V rev 1.02, BIOS 1005c
    TBird 900 (no overclocking)
    256MB (2*128 in slot 2 and 3; slot 1 is empty) SDRAM @ 100MHz, 2T,2T,2T
    AGP slot : V7700 Deluxe 32MB (no tweaking), BIOS 2.15.01.13
    Slot 1 : empty
    Slot 2 : empty
    Slot 3 : Creative Sound Blaster Live! 5.1 Player
    Slot 4 : Tekram DC-390U2W (interrupt shared with onboard USB)
    Quantum Atlas IV 9GB on SCSI-ID=0
    Plextor PX-40Tsi on SCSI-ID=3
    Plextor PX-W4220Ti on SCSI-ID=4
    Slot 5 : empty
    Maxtor 53073H4, 30GB drive as primary master on the ATA100 bus (in UDMA-5 mode)

    BIOS SETTINGS:
    Prim/sec master/slave : None
    Onboard PCI IDE : Disabled
    Operating frequency setting : Standard
    CPU : 100MHz
    DRAM : 100MHz
    System performance setting : Optimal
    CPU VCORE : Auto
    CPU level 1&2 cache : Enabled
    cache ECC check : Disabled
    Spread spectrum : Enabled
    AGP 4x drive strength : Auto
    AGP fast write : Enabled
    SDRAM configuration : By SPD
    SDRAM CAS latency : 2T
    SDRAM RAS precharge time : 2T
    SDRAM RAS to CAS delay : 2T
    PCI Master read caching : Enabled
    Delayed transaction : Enabled
    PCI to DRAM prefetch : Enabled
    Byte merge : Disabled
    DRAM read latch delay : Auto
    Memory early delay write : Auto
    Memory data drive : Auto
    CAS# drive : Auto
    DIMM interleave setting : Auto
    I/O recovery time : Enabled
    Video memory cache mode : USWC
    Onboard audio and modem : Disabled
    PCI slot 1 : IRQ11 (used for V7700 on AGP bus)
    PCI slot 2 : IRQ10 (used for Promise controller)
    PCI slot 3 : Auto (used for Creative SB Live! 5.1 Player -> IRQ15)
    PCI slot 4/5 : IRQ9 (used for Tekram card, and onboard USB)
    IRQ5 reserved for legacy device : Yes (for legacy Sound Blaster support)
    Video BIOS ROM shadow : Disabled
    C0000-C3FFF shadow : Enabled (Tekram BIOS)
    Plug & Play BIOS : No
    Primary VGA BIOS : PCI card (which I don't have)

    SOFTWARE/DRIVER CONFIGURATION:
    Windows 98 SE
    VIA 4in1 v4.28
    VIA AGP v4.04
    Promise ATA100 driver v1.60 build 33



    I must say that since I upgraded VIA 4in1 from v4.25 to v4.28 I have had no more crashes, but I have only done this recently so a real conclusion can not yet be drawn.

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