Kevin, I've just installed a Maxtor 40Gb 7200.  Nice drive, runs very cool.
I'm looking at the included leaflet right now.  Dunno if you got this also but there are apparently 2 types of jumper groups, A and B.  My drive has type B which, looking from right to left with the drive right side up, goes 2pins, 2pins, 2 pins, 2 pins, 1 pin. This last pin sits above a plastic divider.  Master on this type has the jumper on the last pair of vertical pins before the single pin.
The type A arrangement appears to have 10 pins, with a full pair on the left, instead of a single pin as above.  Master on this type has a jumper on the first vertical pair of pins on the left, and a second jumper on the next two pins on the top row.

Feel free to mail me direct if I can help more.

Ian Porter
Computer Guys
Arrowtown
New Zealand
[log in to unmask]

  ----- Original Message ----- 
  From: Kevin Neal 
  To: [log in to unmask] 
  Sent: Saturday, March 02, 2002 6:45 PM
  Subject: [PCBUILD] Maxtor/Quantum jumper settings.


  I'm confused, and could use some advice please. Actually, I have two
  questions, but first things first.

  One problem is that I've just started mounting the drives on a new
  system based on an
  Asus A7V mobo. The floppy was a no brainer, but I also have a Maxtor 40
  Gb x7200, and a Quantum 20 Gb x 7200.
  My intention was to mount both, but only fire up the Maxtor on the
  primary IDE to make sure the basic bits and pieces worked, and later
  move both to the ATA bus.

  Now, trying to pre-set the jumpers  to IDE master/slave is where my
  problem began.
  The diagrams on both drives are almost identical, but don't look like
  the pins on the back of the drives !
  I went to the old Quantum website (which is now Maxtor) and found a
  diagram which looks much more likely. Looking at the back of the drive,
  it seems that the first (left) set of pins is Master, next is Cable
  Select, third is Slave, fourth (right) is some sort of spare.

  Has anybody else had any experience of this puzzle ?
  These drives are almost exactly similar physically, - the different name
  on the same decal is the biggest difference !
  I did consider using Cable Select (ATA) - but of course, still need to
  know which jumper to use, and also, I still need to prove that the basic
  system will boot, - before my enthusiasm exceeds my intelligence !

  The other question, - is that I have a mass of spinning machinery
  crammed into the 3 inch bays, - surely at least one would be better
  moved onto rails in a spare 5 inch bay ?
  Seems to me that a bit more airspace all round would be no bad thing, -
  or is it really a problem in these days of micro engineering ?  I have
  assembled the system with airflow as a primary consideration, -
  currently with a Duron 800 but intending to double that eventually..

  Kevin,
  New Zealand.

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