How to read label on hard drive & RAM chips
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Thread: How to read label on hard drive & RAM chips

  1. #1
    Join Date
    Oct 2000
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    3

    How to read label on hard drive & RAM chips

    Got (IDE) hard drives and (EDO) RAM chips from PC hardware upgrading. Have no prior knowledge about these devices. Can someone tell me how do I read the labels on the HD and RAM chips, so that I know their made and capacities.
    Thanks in advance.

  2. #2
    Join Date
    Apr 1999
    Location
    Manila, Philippines
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    What brand is the hard drive and what are the variables on it.

    For the RAM just write down whatever code is on the chip.
    ? Quantum Physics ? Light travels faster than sound. This is why some people appear bright until you hear them speak.

  3. #3
    Join Date
    Oct 2000
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    3
    I have few other hard drives and the following is just one of them:
    1. Mande: Quatum Fireball 3.5 series
    2. amongst many other info (mostly text and US patents numbers) printed on the metal casing:
    - C/H/S: 540=10546/16/63
    1080=2112/16/63
    Hope the above info is good enough.
    Note: I can see that the labels on each of different hard disk is different, which really are the relevant info?

    The code printed on the RAM chips are:
    korea B003
    9430 FFF
    HM514400BLS7

    On Another RAM chip it has these codes:
    MCM44400BN70
    GCACABF9507

    BP44C
    8001-6
    KOREA
    506A

    Hope these info are sufficient and relevant.

  4. #4
    Join Date
    Oct 2000
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    3
    Hi Toolbox moderator,

    This is a repost in-case you forget my request (see that my request has been "pushed" further down the list and appears on 2nd page).

  5. #5
    Join Date
    Mar 1999
    Location
    Austin, TX USA (currently in Bosnia)
    Posts
    4,647
    The HD is obviously either a 540M or a 1.08G...

    This is what Altavista tells me...

    For the first RAM:
    HM514400BLS7=Hitachi 4Mb

    For the second:

    Fake parity
    Fake parity SIMMs (also known as logic parity) use a logic chip instead of actual DRAMs to generate the parity bits for read cycles. The parity written during write cycles will be discarded. This scam has the following problems:


    You probably get to pay the same price as for a real parity SIMM, which gives the supplier a very nice profit margin - the fake parity IC is very cheap compared to DRAMs.

    If the timing margin is small, you can get spurious parity errors, as the parity chip adds some delay. Logic parity is completely worthless, it cannot check whether the read data is correct.

    Someone has a patent on this, and there are some copycat products that infringe on it. YOU as the end-user could become liable !
    Typical markings for the logic parity ICs:


    MPE 440J6/7
    U.S. PATENT

    MPE 410J6/7
    U.S. PATENT

    BP44C
    8001-6
    Korea


    ------------------
    what?

    [This message has been edited by Baloneyflaps (edited 11-02-2000).]

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