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If EIDE (ATA-2) Allows 4 Devices Per IDE Controller...

Discussion in 'A+' started by Mr_Fishbulb, May 15, 2006.

  1. Mr_Fishbulb

    Mr_Fishbulb Nibble Poster

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    How come I've never seen this in operation or seen any IDE ribbons for 4 devices?

    And why do IDE devices have jumpers for Master and Slave but not for 4 settings?

    In fact I never knew I could connect up to 8 IDE devices onto my machine (4 per IDE controller) until I read it just now.

    Is this correct?
     
    Certifications: Naff All
    WIP: A+
  2. simongrahamuk
    Honorary Member

    simongrahamuk Hmmmmmmm?

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    Well If you can its news to me aswell, coz I never knew that. :eek:
     
  3. Mr_Fishbulb

    Mr_Fishbulb Nibble Poster

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    Just had a read some pages I found on google - it seems back in the olden days motherboards only had 1 IDE channel = max of 2 IDE devices.

    When EIDE came out, motherboards had 2 IDE controllers = max of 4 IDE devices (2 per controller).

    So if you are reading this Mr Christopher A. Crayton (of The A+ Exams Guide fame) then it appears you are wrong.
     
    Certifications: Naff All
    WIP: A+
  4. Malnomates

    Malnomates Megabyte Poster

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    For the purpose of your A+ studies, know that a typical motherboard will host 2 IDE channels and 1 IDE controller.You may have no more than 2 IDE devices on each channel giving a total of 4 IDE devices.

    Watch out for these details in your exam,a CONTROLLER allows up to 4 devices,a CHANNEL supports up to 2 devices.
     
    Certifications: A+ Network+
  5. juice142

    juice142 Megabyte Poster

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    Blimey I'm glad that one didn't turn up in my exam or I'd have got it wrong! :eek:

    Nicely put Mal! :thumbleft

    J.
     
    Certifications: BSc (Hons), A+, Network+
    WIP: 70-270, MCSA
  6. Mr_Fishbulb

    Mr_Fishbulb Nibble Poster

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    Cheers :)

    (My book's still wrong though - it says:

    "[EIDE] is an improvement on the original IDE/ATA standard that allows for up to four devices to be connected to one motherboard interface controller, for a total of eight devices in a typical system."

    That last bit must wrong if a typical system has 1 IDE controller.)
     
    Certifications: Naff All
    WIP: A+
  7. Boycie
    Honorary Member

    Boycie Senior Beer Tester

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    Yeah, nice one Mal. It is the type of question that can trip you up in the exam...
     
    Certifications: MCSA 2003, MCDST, A+, N+, CTT+, MCT
  8. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    Standard BIOSes can have up to 8 drives on the system.

    To do this you need 4 sockets (2 drives per socket).

    Most motherboards ship with only 2 sockets, but a few have 4.

    If you only have 2 then you can fit a PCI board to give you the other 2.

    Harry.
     
    Certifications: ECDL A+ Network+ i-Net+
    WIP: Server+

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