do I have USB 1 or 2?
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  1. #1
    Join Date
    Jul 2003
    Location
    MA/NH border
    Posts
    3

    do I have USB 1 or 2?

    I don't know how to tell if my laptop's USB controller is 1 or 2. Is there a way to check.

    Background: Dell Inspirion, device mgr says it is an Intel 82801BA/BAM USB Universal Host Controller 2442, driver: date 3/24/2000, version 2.30.17.0 - so is that version number the answer?

  2. #2
    Join Date
    Feb 2001
    Location
    wiltshire, uk
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    the version number is probably only the driver reference number and may not be directly useful if the driver bundles usb 1.1 and usb 2.0 together.

    what model inspiron do you have?

    welcome to hwc, cgowland
    trout are freshwater fish and have underwater weapons
    trout are very valuable and immensely powerful
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  3. #3
    Join Date
    Jul 2003
    Location
    MA/NH border
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    Inspirion 8000 purchased in June 2001. I'm pretty sure now that I do have USB 2. Just installed a new Iomega CDR and it burned at the 40x rate which is what it quoted on the box if it was connected via a USB 2, vs only 4x if USB 1.1. I just didn't realize it was.

  4. #4
    Inspiron 8500 series.

    System Processors


    --------------------------------------------------------------------------------

    IntelŪ PentiumŪ 4 processors - M at 1.9 Ghz, 2.0 Ghz 2.2 GHz, 2.4 GHz, 2.5 GHz and 2.6 GHz

    512 KB Pipeline Burst L2 cache

    400 MHz front side bus frequency

    IntelŪ 845MP AGPSet Chipset with 4X AGP



    Memory


    --------------------------------------------------------------------------------

    256 MB DDR RAM (266MHz) standard, upgradeable to 2GB maximum

    DDR RAM configurations include one of 128, 256, 512, 768, 1024, 1280, 1536 and 2048MB

    2 x SoDIMM sockets



    Modular Media Bays


    --------------------------------------------------------------------------------

    One modular optical bay for CD-ROM, CD-RW, DVD-ROM or 1.44MB Floppy Disk Drive (details in storage section below)



    I/O Ports


    --------------------------------------------------------------------------------

    IEEE 1394 integrated port (Fire Wire)

    9-pin serial connector

    25-hole pin parallel connector

    Serial infrared communications port (lrDA-1.1 compliant)

    Audio jacks: headphones out, speakers out, microphone in

    15-pin monitor connector

    2-USB 2.0 (Universal Serial Bus) compliant 4-pin connectors

    S-Video - 7pin mini DIN port for TV-out

    2-pin AC adapter

    Kensington Lock socket

    RJ11 and RJ45 connector



    Ask dell they will know

  5. #5
    Join Date
    May 1999
    Location
    Australia
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    Just installed a new Iomega CDR and it burned at the 40x rate
    Yes that's correct, it has to be USB2 then. I had an external (usb) burner and it could only write at 4x from USB 1.1 (it could read at about 7x so that was the data limit). On USB2 it could both read and write at 48x.

  6. #6
    my pc was set to usb 1.1, ive changed it to 2.0 in the bios, u mite see fullspeed and hispeed there

  7. #7
    Originally posted by uart


    Yes that's correct, it has to be USB2 then. I had an external (usb) burner and it could only write at 4x from USB 1.1 (it could read at about 7x so that was the data limit). On USB2 it could both read and write at 48x.
    most CDRW (unbranded or cheap) can only be written at 4x

  8. #8
    Join Date
    Jul 2003
    Location
    MA/NH border
    Posts
    3
    thanks all. now i'm off to the store to buy various USB compatible devices to use up that thruput!

  9. #9
    Join Date
    May 1999
    Location
    Australia
    Posts
    2,790
    most CDRW (unbranded or cheap) can only be written at 4x
    ?????, I just said it could both read and write at 48x on a USB2 port. The 4x write (and 7x read) was due to the data rate limit of USB1.1. End of story!

  10. #10
    Join Date
    Mar 2000
    Posts
    27,252
    Following link may be of interest, LINK
    "I know nothing."
    Cheers.

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