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Thread: Help With Hard Drive ( IBM Type 0665-30 )

  1. #1

    Smile Help With Hard Drive ( IBM Type 0665-30 )

    Hello, I'm New here.

    So my name is Rony

    i have IBM 5150 with monitor ( IBM 5151 monochrome ).

    and i have hard drive IBM Type 0665-30.

    I have an expansion card, I connected it to a hard disk and it recognizes it, but I can't tell how many cylinders it has, or how many heads.

    hare is pictures:
    https://imgur.com/a/iiR2Lcv

  2. #2

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    See this previous discussion regarding this drive model:

    http://www.vcfed.org/forum/showthrea...rive-type-0665

  3. #3
    Join Date
    May 2006
    Location
    Melbourne, Australia
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    6,646

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    Welcome to these forums.

    The large '2' on your 0665-30's defect sticker indicates that if the drive were to be fitted into an IBM AT, that drive type 2 is what would be set in the IBM AT's SETUP (a.k.a. 'CMOS setup').
    IBM drive type 2 equates to: 615 cylinders, 4 heads, 17 sectors per track

  4. #4
    Join Date
    May 2006
    Location
    Melbourne, Australia
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    In regard to fitting hard drives into an IBM 5150, in case you are not already aware, be aware of the information at [here].

  5. #5

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    Quote Originally Posted by modem7 View Post
    Welcome to these forums.

    The large '2' on your 0665-30's defect sticker indicates that if the drive were to be fitted into an IBM AT, that drive type 2 is what would be set in the IBM AT's SETUP (a.k.a. 'CMOS setup').
    IBM drive type 2 equates to: 615 cylinders, 4 heads, 17 sectors per track
    Hello
    i need your help

    in diskpart

    i will do manual info

    have:

    ccc h rrr ppp ee o

    so i write:
    615 4 rrr?? ppp?? ee=11 o=5 ? what i need write in rrr and ppp ??

    rrr = starting reduced write cylinder
    ppp= write percomp cylinder

    please help to me.

  6. #6
    Join Date
    May 2006
    Location
    Melbourne, Australia
    Posts
    6,646

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    Quote Originally Posted by TheKin988 View Post
    please help to me.
    The IBM 0665-30 (0665-030) will not need 'reduced write current', and so set the starting cylinder for 'reduced write current' to 615. Set the starting cylinder for write pecompensation to 300 (because the 0665-30 is an IBM type 2 drive).

    It is not clear to me what it is that you are doing. Diskpart is about partitioning, but 'ccc h rrr ppp ee o' is the format of a string used sometimes when low-level formatting using a Western Digital made hard drive controller (or some clones of).

    There are three things to do:
    Step 1 of 3: Do a low-level format of the drive. How that is done depends on the hard drive controller.
    Step 2 of 3: Create a partition. (e.g. Use FDISK.)
    Step 3 of 3: Do a high-level format of the partition, and make the partition bootable. (e.g. Use FORMAT.)

    For step 1, you need to tell us the make and model of the hard drive controller.

    An example of steps 2 and 3 is at [here].

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