If I understand u correctly....

Plug in first HDD, fdisk it, remove.
Plug in second HDD, fdisk it.
Done. U have two primary disk.

Now plug both in, set one as master
(C:) and another as slave (D:).

With most latest BIOS you can choose
to boot from C: or D:

The last I tried works well with WinNT
and Win98. Linux does not like booting
from (D:) however, as LILO assumes that
u are booting from C:, :(

Regards,
Peter


----- Original Message -----
From: "Javier" <mariosabino007@HOTMAIL.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Wednesday, August 01, 2001 11:38 AM
Subject: [EE]: Fdisk & 2 Primary disks


> Hi
> I have two IDE HDD, 1 is primary disk (bootable) and want to create
another
> one also primary !!
> How can I achive this ? Fdisk doesn4t allow me to have two primary disks
at
> the same time !
> Maybe with Norton, ghost and make a clone, any hints ?
> Thanks
> PD the HDD 2 is actually a DOM of 16mb !!
> -------------------------oOo--------------------------
>    Javier Grijalba
>    Buenos  Aires - Argentina
>    Visit my Page:    www.Jamiro.com.ar
>    My Mail:            mail@Jamiro.com.ar
>    ICQ Nr:            63135111
> -------------------------oOo--------------------------
>
>
>
> ----- Original Message -----
> From: Dave Dilatush <dilatush@HOME.COM>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Monday, July 30, 2001 7:43 PM
> Subject: Re: [EE]: Bandpass filters
>
>
> Joe Denehan wrote...
>
> >Can anyone suggest a site to learn more about bandpass filters (don't
need
> >to be very accurate, just for lighting effect). I'm trying to build an
> audio
> >spectrum analyzer and will be using Op-Amp based bandpass filters and
> LM3915
> >dot/bar display IC. Any help would be gratefully accepted.
>
> Hi Joe,
>
> If you want a decent, fairly compact introduction to active filters,
> take a look at National Semiconductor's application note AN-779, "A
> Basic Introduction To Filters...", which you can get at
>
>   http://www.national.com/an/AN/AN-779.pdf
>
> You've got several possibilities available for filters that might be
> useful in what you want to do:
>
> The so-called "Sallen-Key" filter design uses one opamp, two resistors
> and two capacitors, which I think is about the minimum component count
> you'll be able to achieve; however, this is basically a low-pass or
> high-pass filter (which can be made to have a resonant peak at the
> cutoff frequency by proper choice of components), and center frequency
> and bandwidth cannot be adjusted independently.
>
> The "multiple feedback" filter configuration uses one opamp, three
> resistors and two capacitors and gives a true bandpass filter, unlike
> Sallen-Key; but again, the center frequency and bandwidth adjustments
> are interactive.
>
> A third choice is the "state variable" filter, which takes three
> opamps, two capacitors and seven resistors.  This has independent
> adjustment of center frequency and bandwidth, as well as high-pass,
> bandpass, and low-pass outputs.
>
> A reasonable compromise might be the circuit below (set your viewer to
> use a fixed-pitch font to view it, otherwise it'll look like
> nonsense).  This arrangement uses one opamp, two capacitors and four
> resistors, and its center frequency and bandwidth can be set
> independently.
>
> The opamp shown is one that I frequently use; it's a CMOS low-voltage
> medium-bandwidth amp for general-purpose applications.  An LM324 would
> do just as well if you have enough supply voltage, and it's a lot
> cheaper.
>
>
>                        +----[R2]----+
>                        |    16K     |
>                        |            |
>                        +----[C2]----+
>                        |   .01uF    |
>                        |            |
>                        |  |\LMC6484 |
>                        |  | \1/4 U1 |
>    IN ----[C1]---[R1]--+--|- \      |
>          .01uF   16K      |   \     |
>                           |    >----+---- OUT
>                           |   /     |
>                        +--|+ /      |
>                        |  | /       |
>                        |  |/        |
>                        |            |
>            +---[R3]----+----[R4]----+
>            |   10K          6.2K
>            |
>           GND
>
>    Center frequency is:
>
>    Fc = 1 / (2 * pi * R * C), where:
>
>    R1 = R2 = R and C1 = C2 = C.
>
>    Bandwidth between -3db rolloff points is:
>
>    BW = Fc * (2 - (R3/R4))
>
>    Voltage gain at Fc is:
>
>                  1
>    Avc =  ---------------
>              3 * R3
>            --------- - 2
>             R3 + R4
>
> Hope this helps a bit...
>
> Dave D.
>
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>

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