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  1. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #1

    Default *TechNotes* A+ Core Hardware

    Here is the list of our current TechNotes for the A+ Core Hardware exam:

    SCSI TechNote

    ATA/IDE/EIDE/SATA TechNote *NEW*

    Printers TechNote

    CPUs and Sockets TechNote

    Display TechNote

    BIOS, CMOS and POST TechNote

    Modems and Serial Ports TechNote

    Portables TechNote *NEW*

    Basic Networking TechNote

    Please post comments, suggestions, remarks etc. by replying to this topic.

    (Our TechNotes will eventually be combined into a complete studyguide, online and in PDF.)

  2. SS -->
  3. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #2
    I was wondering if someone could supply me photos of the different SCSI connectors: Centronics 50 pins, 68 pins internal(flat ribbon), 50 pins internal and external etc.

  4. Grumpy old bugger RussS's Avatar
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    #3
    Hey Webmaster

    Here is the resource I used when I started stying to figure SCSI out

    http://www.scsita.org/aboutscsi/Pictures.html

  5. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #4
    Thanks RussS

    Although I need some original ones, this will do fine untill I get my own pictures or graphics.

  6. Grumpy old bugger RussS's Avatar
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    #5
    I had a full set of them around here for interest purposes but biffef them a lil while back when I moved house. I will check in the labs and see if they have any there & will take some digipics for ya.

  7. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #6
    That would be great Russ! I've tried making them in 3D studio MAX or Truespace but it took me about 3 hours to create a DB-9 connector

  8. vanis
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    #7

    Default Re: CPU & Sockets Technote

    Hi,

    Nice site.

    You have Socket A listed as 453 pins. I've found several resources listing Socket A at 462 pins. Can you confirm/refute that?

    Thanks,

    V

  9. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #8
    I've triple checked and it does have 462 pins.
    (Where did I get that 453 from? )

    Thanks for pointing that out!

  10. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #9
    Just uploaded a new TechNote on BIOS, CMOS and POST.

    http://www.techexams.net/technotes/cmos.shtml

  11. Junior Member
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    #10

    Default scsi types

    I notice on your technote that you have ultra wide scsi as supporting only 8 devices but it is 16bit wide and according to the note at the bottom it should support 16. I probubly would not have noticed but I have another study note that says the same as yours and my course says 16. Whose right?

  12. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #11
    Both actually well I do have to change it to 16 in the TechNote because the "note at the bottom" is the correct guideline... but it is like this:

    Ultra Wide SCSI supports:
    - 16 devices if HVD signaling is used
    - 8 if SE signaling is used
    - 4 devices if SE signaling is used with a cable length of over 1.5m

    Don't worry, CompTIA won't ask the maximum nr of devices supported on a Ultra Wide SCSI bus with SE signaling and cable length of below 1.5m

    Thanks for noticing!

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    #12

    Default CPU's

    I was wondering if you could add to your tech note what each cpu has for L1 cache and L2 cache (if any) and which ones have the L2 on the die or on the board. Thanks Dumblondemom.

  14. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #13

    Default Re: CPU's

    Quote Originally Posted by dumblondemom
    I was wondering if you could add to your tech note what each cpu has for L1 cache and L2 cache (if any) and which ones have the L2 on the die or on the board. Thanks Dumblondemom.
    That is a good idea, I'll see what I can do...

  15. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #14
    Wow that would be a huge list...

    I'll try to cram in to a couple of sentences later, but maybe this will do for now:

    http://www.intel.com/pressroom/kits/quickreffam.htm

    Look at the cache at those Intel® Itanium® 2 Processors

  16. Junior Member
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    #15

    Default cache

    Who knew thanks for checking that out should really have done that myself Im better off memorizing which ones don't have it on the die. Of course now that there is L3 also on the die just adds to the memory overload. No pun intended,

  17. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #16
    I didn't mind checking it out it all, I want the TechNotes to be complete and I do have to mention something about L2 cache, still not sure what though... yes, on-die or not on-die maybe.. is that the question?

    Here's another good resource at intel:

    Processor Spec Finder

  18. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #17
    I just finished another A+ TechNote: Modems and Serial Ports:

    http://www.techexams.net/technotes/modems.shtml

    Next in line is "Monitors and Video"...

    Johan

  19. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #18
    As you probably noticed I haven't added a new A+ Core TechNote for a while. I've been having a bit of a dillema about if I should continue writing for the A+ 2001 objectives or not... well I won't. I'm working on a TechNote covering Domain 6. Basic Networking. I'm going to base this TechNote on the new A+ Core 2003 objectives, should not be a big problem since the objectives are largely the same so it should be good reading for current examinees as well... It will probably be the largest TechNote I've written so far, so it may take me a bit longer than a couple of days...

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    #19

    Default New To Forum

    HI All
    just wanted to say : Thank you for sharing your talent , skills and abilities . I am currently preparing to take my A+ certification and hope to do well my first time .

    This a Wonderful Site
    ComputerLover1 :

  21. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #20
    Thanks Computerlover

    Well people... it has been a while since my previous A+ core TechNote, but here it is, 10 pages long:

    Basic Networking

    I've based it mostly on the 2003 exam objectives (Domain 6.0), which seem to cover networking in a bit more detail then the 2002 objectives, so for the current 2002 objectives this should be more than enough.

    The 2003 objectives in gray, at the bottom of the TechNote will be added later this year when the new objectives take effect...

    2 more TechNotes ("Portables", and "Displays") will be added this very month including many new practice questions.

    Happy reading!

    Johan

  22. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #21
    I'm proud to inform you about the latest TechNotes for the A+ Core exam:

    www.techexams.net/technotes/display.shtml

    These TechNotes have been written by Tracey Rosenblath, co-author of Mike Meyers' A+ Certification Passport. If you have any questions about the TechNotes (and future practice questions) she writes for TechExams.Net, please post them here (as a reply on this topic.) You will see her 'disguised' as Paisleysky

    Enjoy the TechNotes, and let us know what you think!

    Johan

  23. Junior Member
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    #22

    Default Great!!!

    I just became a member today, and allready I love this site!!!
    I´m from the Netherlands and just started A + core, 8 day course.
    Anyway I just want to say that the info on here has helped me alot.
    Thanks.

  24. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #23
    Welkom

    Another TechNote from Paisleysky will be hopefuly added this month, as well as 20 new practice questions, so check in once in a while

  25. Junior Member
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    #24

    Default Re: *TechNotes* A+ Core Hardware

    The tech Notes

    thanks
    I hope this help

  26. Member
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    #25
    Thanks for providing the technotes. They helped A LOT!

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