I just bought a Lacie 120GB and just posted a message about it last night
about some noise.
The HD is 120GB and now I found out that it is 114.48GB.
I know that when you buy a drive it is not what is written on the box due to
the rounding of the mb1s etc but 6 GB missing?
I can understand 2 Gb, maybe 3Gb, due to rounding ,but that is a but too
much isn1t it?
I went to Lacie HD INFO and it saids-
- Capacity-114.48GB
-Free space 111.3
-used 3.2 GB (due to putting my backups on)
I am using Mac OS Extended Format.
Is this right or do I have to reformat the drive or somehthing else?
Contact Lacie?
Cheers
D. >>
This has come up for as long as they've been making storage media. Kinda
getting tired of it. The 120 Megs is UNFORMATTED capacity. Once you format it,
sector out your whatever, add your FAT, (File Allocation Tables) etc. etc,
etc.... You are left with 114.48 GB. The HD needs some overhead to store some
information, and it takes away from your 120. My 80GB drives formatted out to
74.52 But it's better than my first HD, a whopping 20MB.
The HD is 120GB and now I found out that it is 114.48GB.
That's because hard drive makers and software count bytes differently.
Hard drive makers use a decimal gigabyte, where 1GB is 10^9. Their
120GB means 120,000,000,000 bytes.
Most software, however, uses a binary gigabyte, where 1GB is 1024^3
(or 1,073,741,824 bytes). Using this definition of 1G,
120,000,000,000 bytes is about 112GB.
114.48GB (binary) is about 123GB (decimal).
This is in addition to the fact that specs printed on boxes always
refer to the disk's unformatted capacity. File system and partition
control structures also consume some space.
> I just bought a Lacie 120GB and just posted a message about it last night
Quote:
about some noise. The HD is 120GB and now I found out that it is 114.48GB.
That's about right, take 120,000,000-Kbytes which is the minimum the
drive-makers would consider to be 120gb. Then divide by 1024 to get
megabytes, then divide by another 1024 to get gigabyte and your result
will be 114.44gb. Just the difference between human's common-sense
base-10 math vs. computers' base-2 binary numbering system.
In article <BC149D48.7B01%3662@optusnet.com.au>, D.
<3662@optusnet.com.au> wrote:
Quote:
Hi, I just boughgt a Lacie 120GB and just posted a message about it last night about some noise. The HD is 120GB and now I found out that it is 114.48GB. I know that when you buy a drive it is not what is written on the box due to the rounding of the mbıs etc but 6 GB missing? I can understand 2 Gb, maybe 3Gb, due to rounding ,but that is a but too much isnıt it? I went to Lacie HD INFO and it saids- - Capacity-114.48GB -Free space 111.3 -used 3.2 GB (due to putting my backups on) I am using Mac OS Extended Format. Is this right or do I have to reformat the drive or somehthing else? Contact Lacie? Cheers D.
I don't see it in OSX, but in the Apple System Profiler in OS 9.2.2,
under hard drives, it reports about my drive:
Size: 80 GB (1K = 1000)
Capacity: 74.53 GB (1K = 1024)
That blew me away when I first noticed it a year or so ago. The
percentage deviation becomes even worse the larger the drive is so when
they start marketing terabyte dirves, people will really think they are
getting ripped off. So what's 24 bytes? Nothing, right? Till you
start multiplying it by itself over and over again.
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120 GB lacie only 114 GB..is that right?
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