new HD act as IDE1 and not as IDE0 !!!!

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new HD act as IDE1 and not as IDE0 !!!!

The hard disk drive of my ibook dual USB 700 MHz has died.
I decided to change it by a bigger one (toshiba MK6021gas), 60 GB. After remove the disk and reassemble the ibook I saw that the disk doesn´t act as IDE0...I changed the COMBO selection key to master, since my hard drive is IDE1, the Combo should be IDE0. After this procedure I was able to install the system 10.4. Howhever, When trying to access the drive in target mode (T) the hard drive simply spin down...or if a system restore disk is in COMBO, the target disk is mounted with the CDROM.
I found in the internet a similar case where the the guy had cut off the pins which set the drive to master or slave. It´s a extreme situation. I tryied to isolate the pins in order to force the drive as master, but when the system restarts no CDROM is present. Could anybody provide me a solution to my problem? How could I have my hard disk as IDE0 and the COMBO as IDE1, with the target disk mode working properly?
I would appreciate any suggestion.
PS: Sorry for the BAD english.

ibook G3 500 dual USB, Mac OS X (10.4.8)

Posted on Dec 30, 2006 9:08 PM

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Answer 1

Dec 31, 2006 2:06 AM in response to gerson

Probably the reason that the hard disk wasn't acting as IDE0 is because you were started up from the Combo drive.

Check out this PDF on jumper settings:
http://www.wdc.com/en/library/eide/2579-001037.pdf

Maybe something there will help.

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Answer 2

gerson Author

Level 1

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Dec 31, 2006 10:36 AM in response to Ronda Wilson

Dear Rhonda,
The article in the link is related to the WD drivers, in spite of the jumpers to be in the same position, the jumper configuration of the MK6021gas is quite different. In this link http://sdd.toshiba.com/localcache/82000000293700000BBB0000000100000000.pdf
is provide the manual guide of this drive, I would appreciate if you could take a look and try solve this situation with me. I didn´t understand when you told that I had stated up from the combo. Well, The new HD wasn´t formatted...so, the only way to access the system was the from the CDROM. The original HD was a MK2018GAS and it working very well without modifications in the jumpers. But the Main cable close the pins C-D, which results in a SLAVE configuration. However, in the previous drive, which has the same jumpers configuration of the MK6021gas, the drive acted as master (IDE0). Why is this happen with this new HD? Is apple changing the BIOS of the hard drive? I really don´t realize what is happen!

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Answer 3

Dec 31, 2006 1:59 PM in response to gerson

My hard drive in my iBook G4 is a Toshiba MK6025GAS and shows up as master (0).

I have never installed a hard drive, myself, but do know that the hard drive should almost always be set to master.

Apple doesn't use a BIOS. The iBook uses firmware.

I'll try to find someone else who knows more about this than I do.

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Answer 4

Jan 1, 2007 12:09 AM in response to gerson

Don Archibald says:

The main cable should not cover those pins. Is it possible the OP has mis-attached the IDE cable? According to the diagram in the PDF linked to, leaving all jumpers off should result in the drive being set as Master, which it should be.
Firewire TDM will allow only that drive set as Master on the primary internal ATA bus to appear on the Host machine's desktop; as long as the new drive is not set as Master, it won't appear.
On my G4/500 with two internal drives, the drive set as Master appears as ID=0, the one set as Slave appears as ID=1.
If gerson (the OP) gets the hard drive reset and/or properly cabled to Master, then the optical drive (Combo) needs to be reset to Slave - else there will be an address conflict on the bus.

I hope this helps.

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Answer 5

gerson Author

Level 1

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Jan 2, 2007 4:20 PM in response to Ronda Wilson

Oh man...I don´t believe...I found it!!!
Well, after several hours of goolglying about the HD, compatibility and ibook a I found something in the site http://www.medicalmac.com.
That´s is the text
"There are a few reports of trouble not being able to boot from the TOSHIBA MK1214GAP. This problem happens when the unit is recognized as slave, since ALL IDE disks in a PowerBook G3 Series must be set to Master. When I reviewed a problematic unit, it was only recognized as slave although it had no jumper pins -- which should set it as Master, and the same unit is recognized as Master in a DOS/V laptop. We are not able to find a solution to this problem yet. Out of 22 reports so far, there have been 3 problems. Full text in Japanese is available at the FAQ: Problems with MK1214GAP section.

New Report from Mr. Derek Vanderveer.

"This drive did NOT work for me. I could install software on it when booting from CD-ROM, but could not boot from the drive itself, exactly as other users have already reported with this drive. The good news is that I have been able to track the problem to its source: if you want to use a 12Gb Toshiba drive in your PowerBook, MAKE SURE it has the letter P or Q in its product number (the product number starts with HDD). For example, on the drive I had, the product number was HDD2149F, which was apparently a designation for a drive manufactured for Compaq, and whose firmware is incompatible with Apple machines. On the other hand, MK1214GAP drives with product number HDD2149P or HDD2149Q should work properly. This explains why some users experience problems with this drive, but not others. Those experiencing problems must have something other than the P or Q drives. I hope this helps other users avoid the problems I have experienced! This information was given to me!

By Toshiba's storage division support center, so I think it should be fairly reliable. However, please note that I have not been able to test this theory, as I don't have a P or Q drive to test with."

Some reports

"Installed easily, formatted easily worked well EXCEPT I could not get my Powerbook to boot off it for the life of me. I pulled the Toshiba drive out and yes, it had the notorious "F" on it (although it was not on the "void warranty if seal broken" sticker as others have reported; mine was directly under the M in MK1214GAP). I called up Toshiba support and I mentioned what I had learned here about F designating a Compaq-specific drive. He concurred that this was the problem. Toshiba dutifully overnighted me another MK1214GAP, but this one had a glorious "C" where there was once an F. In short: this replacement drive worked perfectly. The nature of these codes is a bit more insidious than it first appears. It's not that the "F" drive is optimized for Compaq's per se, but that they are made deliberately incompatible, so that the scarcer part can command a higher price. He was using Apple as an example -- apparently Toshiba also makes Mac versions of some drives that will cause equal frustration to PC users."

Well, my product number is HDD2183 F and my older hard disk is HDD2168 P which confirms the theory about the Toshiba´s code. I will buy another hard disk and take care about the product number of my new hard drive.

Thanks for the help.

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Answer 6

Rod Hagen

Level 7

32,000 points

Jan 3, 2007 2:35 PM in response to gerson

Thanks for the very informative and well researched post, gerson! This is definitely a piece of information worth storing in the personal memory bank!

You might also want to post it at http://www.xlr8yourmac.com/ where they maintain a database of information about hard drive compatibility and installation experiences. I couldn't find any previous mention of this issue there with a quick look.

Cheers

Rod

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