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All Forums > Tech Talk > Tech Talk Forum Page 39 > Jumper configurations on hard drives?
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Bob All-Star Supporter
All-Star Member

5516 Posts
3/03
Posted - Oct 19 2006 : 5:30PM
Hypotheticals:

A. Let's assume two hard drives, Drive #1 containing the operating system, all other programs, and harware drivers, and Drive #2 containing only data storage. Let's also assume 2 available IDE interfaces.

B. What about three hard drives, with Drive #3 also used only for data storage and Drives #1 and #2 used as described above? In this case, let's assume 3 available IDE interfaces.

What are the functional differences, if any, between various possible master/slave configurations of these hard drives (e.g., one possibility in Hypothetical A being that both hard drives are set as masters; one possibility in Hypothetical B being that all three hard drives are set as masters)?

Hardware All-Star Supporter
All-Star Member

Your other left
14606 Posts
3/02
Posted - Oct 19 2006 : 6:08PM
IDE controllers can only control two devices and only one of those devices can be the master. As for a performance difference between master and slave, I'm not aware of any, though I suppose you might save a few seconds on boot-up as the BIOS probably checks the master drive for a boot sector first.
liloleme
Senior Member

My favorite cartoon as a kid
1666 Posts
10/06
Posted - Oct 19 2006 : 10:07PM
There is really no practical difference for the user. Here is a good article on the topic.
croy
Platinum Member

Discovry
4574 Posts
3/04
Posted - Oct 19 2006 : 10:38PM
Well your master is assumed to be the boot drive, so the OS should be there. I think on some cables, the end (which has termination) is for the master.
oatmeal
Meat Popsicle

Seeking Beauty
1738 Posts
8/04
Posted - Oct 20 2006 : 8:11AM
putting a hard drive on the same IDE cable as a CD-ROM can affect performance. But if you're stuck, you're stuck.

another option is installing additional SATA or IDE controllers on a PCI card.

 
Bob All-Star Supporter
All-Star Member

5516 Posts
3/03
Posted - Oct 20 2006 : 12:18PM
Oatmeal,

I'm not lacking for IDE controllers.

I have a primary IDE controller on my motherboard for two hard drives, which I'm not currently using. Because my new Seagate hard drive supports an Ultra ATA connection, I installed a PCI card with two Ultra ATA IDE controllers. I've connected both of my hard drives to one of the Ultra ATA controllers on the PCI card, with my C-drive set as the master and my G-drive set as the slave. I have a secondary IDE controller on my motherboard for my DVD+RW drive and my DVD-Rom drive, which are connected by the same IDE cable and jumpered as cable select.

The reason for my question was twofold. First, I just wanted to learn more about jumper configurations. Second, given that I have enough IDE controllers to afford me some flexibility, I wanted to find out whether one combination of jumper configurations and controller connections was better than the others.

Since I'm going to swap out my 5-year-old 40GB Western Digital (the C-drive) for a 120GB Seagate with Ultra ATA capability, I wondered whether I'd be better off using both of the controllers on the PCI card and jumpering both drives as masters, or whether it would be better to keep the same configuration I have now.

I also wondered what the best configuration would be if I decided to get another hard drive for storage in the future.

*
[sp]

Edited by - bob on 10/20/2006 10:59:29 PM

Bob All-Star Supporter
All-Star Member

5516 Posts
3/03
Posted - Oct 20 2006 : 12:19PM
Thanks, liloleme! That's a very helpful article.
liloleme
Senior Member

My favorite cartoon as a kid
1666 Posts
10/06
Posted - Oct 25 2006 : 1:47PM
You are very welcome
cobalt60
Knuckle Dragger

2046 Posts
2/03
Posted - Oct 25 2006 : 2:02PM
At some point, depending on what you're doing with the data, you may want to consider a RAID controller like these from Promise.

For example, I have a full tower case in my bar with four hard drives in it. One is the boot drive. The other three are in a RAID 0, striped as a single volume for increased performace. I keep all my (non-porn) videos, mp3s, software, digital photos, etc. there and burned off on DVDs in case they crash.

But I can stream music in my bedroom from the bar machine while my daughter loads software off of it in her room or streams a completely different set of songs at the same time.

Running something like wamp (Windows Apache MySQL PHP) server and zina (a drop-in, easy to install streaming media server set of web pages), I can go to any PC in the house and open a web browser, go to http://192.168.0.3/zina and start streaming playlists. Works great!

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