Re: PROBLEM: KB->KiB, MB -> MiB, ... (IEC 60027-2)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 2007-01-22 at 02:56 +0100, Krzysztof Halasa wrote:
> Jan Engelhardt <[email protected]> writes:
> 
> > Bleh. Except for storage, base 1024 was used for almost everything
> > I remember. 4 MB memory meant 4096 KB, and that's still the case today.
> > Most likely the same for transfer rates.
> 
> Nope, transfer rates were initially 1000-based: 9.6 kbps = 9600 bps,
> 28.8 kbps = 28800 bps, 64 kbps = 64000 bps. Then it went 128, 256,
> 512 kbps = 512000 bps and 1 Mbps = 2 * 512 kbps = 1024000 bps.

ACK. But this and harddisk sizes are really the only areas.

> But it's limited mostly to serial interfaces. Other networks use
> 10, 1000 etc. because they have nothing natural in (powers of) 2
> so 1 Mbps may be 1000000 bps as well.
> 
> > It's just that storage vendors broke the computer rule and went with 1000.
> 
> 1024 etc. is (should be) natural to disks because the sector size
> is 512 B, 2048 B or something like that.

Yes, but it sounds in commercials better if there is a larger number
there. And you can raise the result of a fraction if you lower the
divisor.

	Bernd
-- 
Firmix Software GmbH                   http://www.firmix.at/
mobil: +43 664 4416156                 fax: +43 1 7890849-55
          Embedded Linux Development and Services

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux