Firewire HDs Don't Mount/Unmount Easily

Hi, we have a G4 that is running OS X Server v. 10.4.x. We have 4 external firewire hard drives connected to this (daisy-chained). 3 are identical LaCie Porsche drives, one is an OWC.
The problem is that when we unmount any of these hard drives (by using the eject button next to the drive in the finder), so we can turn them off when not using them, they are very difficult to get to mount again when we need them.
- Is there any kind of proper protocol for unmounting / remounting external FW drives when daisy-chained?
I usually have to physically remove the FW cable and plug it back in. Sometimes I have to open Disk Utility to look for the drive (a lot of the time it won't be there). Sometimes I have to turn on/off drives ahead of it in the chain. Etc.
It shouldn't be so difficult to turn off firewire devices, and then turn them back on and have them mount.
Ideas???

I have a similar issue with OS 10.4.10 client: three OWC drives, one of which seems problematic. I've swapped FW cables (shorties for interconnecting from both Apple and Belkin), etc., but from time to time, one of them just disappears. I keep my backup drives powered up but unmounted since SuperDuper can mount them automatically, then dismount them when backup is complete. The drives are OWC Mercury 500GB, and two 1TB, all with FW800/400, USB 2, and eSata interfaces, though only the FW800 has ever been used.
(By the way, this is on my wife's G5 DP 2.5)
I've found that if the "disappeared" drive is not last in the chain, everything beyond it is gone, too, even from DiskUtility. Usually power cycling the drive fixes it.
The drive will also sometimes fail to show up after a boot or restart. Note that I have all of these drives set to spin down when not in use even if mounted. These OWC Mercury drives get mighty toasty when stacked and all running all of the time.
I have three similar drives on my G5 Quad and they show no such problems ever. The only drive differences on my Quad are that all three drives are 500GB.
Any suggestions? I've contacted OWC since it may be a device interface failure since only one drive exhibits this behavior. The HUB suggestion is a good one, though (yet another device on my desk, sigh).
Ed

Similar Messages

Firewire drives don't mount after 10.4.3 update

G3 B&W
OS 10.4.2
Everything working fine with 10.4.2. Two 3rd party external firewire drives mounted and working. Had not installed any 3rd party drivers. Updated to 10.4.3 and neither will mount. Don't show in System Profiler either. Is fix to "back up" to 10.4.2? Help?
Bill Bevan
Offline: [email protected]

Matthew,
Thanks for the tip but the disconnect/power down didn't work. I also zapped the PRAM. Additional information: Firewire drives do mount when running OS 9.2.2 alone. Under OS 10.4.3 System Profiler does not show any Firewire devices. Of course, I could boot up Classic in 10.4.3 but that seems like the long way around, and I am in the process of weaning myself off of OS 9.
I noticed from some recent posts that a lot of people are losing device connectivity when updating to OS 10.4.3.
bgbevan(Bill)

External Firewire Drives Don't Mount.... i need a guru.

Warning!!!!!
i'm going to ramble....
2 much sake .. heh heh
i just got a brand butt spanking new iBook G4 14" 1.42 GHz
Tiger pre-installed.
I ran Software Update. As you can tell by my info, i'm at 10.4.2 now.
In a minute i'll tell ya how i got BACK to 10.4.2 from 10.4.5
When i got my iBook I didn't plug my external firewire drives in until (about 2 days) after my update. So when i did get around to building my iTunes library, well, no luck.
My firewire drives would and do NOT mount!
By the way these particular peripherals are Western Digital firewire
http://wdc.custhelp.com/cgi-bin/wdc.cfg/php/enduser/stdadp.php?p_faqid=694&pcreated=1036793224
and AcomData Combo USB 2.0/Firewire
http://www.acomdata.com/hdp/fs.html
drives.
With a little exploration you'll find (at least i did) that they do not have firmware or driver updates for Mac. ( if you find them i'll give ya praise!)
The AcomData drive mounts with USB but not with firewire. The thing that
creeps me out is that my 3rd Gen firewire enabled iPod mounts right up no prob!
Another thing that ties me in knots is that these drives WILL MOUNT on my iBook12" running 10.3.9, as well as my old 5cH00L iMac DV 10.3.9!!!!
I thought it might be the Update so i did a clean install with the dvd provided by Apple and now i'm back to 10.4.2 but still no luck.
I've tried repairing permissions, starting, restarting, rebooting, plugging, unplugging, Updating, Downgrading, standing on my bloody head, looking all over the dotcom.
i swear i did all this with my peripherals unplugged.
i caught wind that though these companies may not provide updates for Mac, if i were to find out the companies that make the "chipsets?" within these drives that i might have luck.
i can't figure out what kind of "chipsets" (Oxford?) are in these drives or what to do if i knew anyway!
exhale
i still believe i have the best machine on the planet right now but .......
i need a guru.
help.
much obliged,
Clive
 G4 iBooks. iMac DV (graphite). gen 2,3,5 iPods Linux on the Pod too! Mac OS X (10.4.2)

Hi, Clive.
Here is some general troubleshooting advice that may help:
(1) Review the AppleCare Knowledge Base document "What to do if your computer won't recognize a FireWire device".
(2) If this problem occurred after installing a recent Mac OS X Update, and you are also unable to mount CDs, DVDs, or disk images perform the steps in this Mac OS X Hints article.
(3) The following additional steps will often help resolve problems with FireWire devices, particularly hard drives:(a) Power-on the FireWire drive before starting up (booting) your Mac.
(b) Reset PRAM and NVRAM.
(c) Reset the PMU or SMU: In the case of your iBook, I believe the article you want is "Resetting PowerBook and iBook Power Management Unit (PMU)." You can also check the manual that came with your new iBook.
(d) Try a different FireWire port. James Wiebe, CEO of WiebeTech, has published FireWire Port Failures in Host Computers and Peripheral Devices, a white paper providing backgroud information and technical analysis concerning the causes of failure for FireWire ports. This may provide additional diagnostic information.Note that some of the information above is from the "FireWire Problems" chapter of my book, Troubleshooting Mac® OS X.
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

Help, FireWire drive don't mount anymore...

I've tried everthing, even fsck ....
This is what it says:
laurs:~ laurs$ fsck -n /dev/disk2s3
** /dev/rdisk2s3 (NO WRITE)
BAD SUPER BLOCK: MAGIC NUMBER WRONG
Floating point exception
or
laurs:~ laurs$ fsck -p /dev/disk2s3
/dev/rdisk2s3: BAD SUPER BLOCK: MAGIC NUMBER WRONG
/dev/rdisk2s3: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
or
laurs:~ laurs$ fsck_hfs -f -r -d /dev/disk2s3
** /dev/rdisk2s3
** Checking HFS Plus volume.
** Checking Extents Overflow file.
** Checking Catalog file.
** Rebuilding Catalog B-tree.
hfsUNswapBTNode: invalid node height (1)
** The volume KeyPlug could not be repaired.
volume type is pure HFS+
primary MDB is at block 0 0x00
alternate MDB is at block 0 0x00
primary VHB is at block 2 0x02
alternate VHB is at block 156039262 0x94cf85e
sector size = 512 0x200
VolumeObject flags = 0x07
total sectors for volume = 156039264 0x94cf860
total sectors for embedded volume = 0 0x00
Any suggestions?
Thanks.

I had similar problems - SanDisk FireLite would mount under Windows XP but not Mac OS on the same MBP. Solution was to buy a WD Passport, which works fine.
-Z

FireWire drives don't mount

Hello everybody,
my trusted LaCie 500GB and 250GB drives worked flawlessly since I bought them. Since two days they are not mounting. About a monthe ago I upgraded from 10.3.9 to 10.4.7. Everything worked fine.
I very frequently repair permissions and use Onyx for maintenance of my computer. I reset PRAM and VRAM. I did the power cycle suggestion, turning ewverything off, unplugging all devices, unplugging all power supplies etc.
All to no avail.
My system.log in console reads every second over and over again:
... -Computer kernel[0]: AppleFWOHCI_AsyncTransmit::waitForDMA - context not going inactive.
My console.log continuously repeats:
...-Computer root[175]: [MAFL] attempt to make FSSpec for "121-210.cypress" failed -120\n
...-Computer root[175]: [MAFL] attempt to make FSSpec for "210.cypress" failed -120\n
...-Computer root[175]: [MAFL] found no firmware to load for 210\n
Is there anyone who can help me, please?
I am at the end of my knowledge.
Thank you!

Thank you again for your reply.
I did try the HD on my friends older PB and all was fine.
Resetting the PMU did not solve the problem.
All other applications (but Logic, because I could not access my files) were running smooth.
Going back to 10 a.m. yesterday, basically starting over, there was one thing I missed checking: the AC to DC converters supplied by LaCie for their drives.
Voilá! Individual testing revealed, that the AC/DC converter for the first LaCie drive in my chain did not spin up any of my other six LaCie drives (which I never run all at the same time).
Changed power supply and now I am back to the fast speed and glitch free system I love. Back to enjoying work as well
Thanks for your suggestions. I appreciate them very much.

TM Drive no icon and won't mount/unmount

I have a Glyph GT050Q firewire drive that I'm using as a Time Machine backup drive. I used to have a time capsule but it died suddenly (like others have complained about). Anyway I decided to abandon Time Capsule.
The drive is attached directly to the MacBook Pro.
It works as a backup drive fine, it's just that Time Machine doesn't mount/unmount the drive and when it's being used for backup it doesn't get the custom Time Machine backup drive blue icon.
Is there a way to get this to work? It didn't work under OS 10.5 and I was sure when I upgraded to OX 10.6 that it would fix itself, but no luck.
By the way I've already tried trashing the TimeMachine.plist, that didn't do anything.
Is it only the Time Capsule that can mount/unmount? It's not the biggest of deals to have it on the desktop all day except that the system and certain applications periodically scan all drives which prevents the drive from sleeping. I have Time Machine Editor v 2.5.3 set to backup up every 6 hours.
Thanks

bcoughlin wrote:
I have a Glyph GT050Q firewire drive that I'm using as a Time Machine backup drive. I used to have a time capsule but it died suddenly (like others have complained about). Anyway I decided to abandon Time Capsule.
You might qualify for a free replacement. Check this out: http://support.apple.com/kb/TS3351
It works as a backup drive fine, it's just that Time Machine doesn't mount/unmount the drive and when it's being used for backup it doesn't get the custom Time Machine backup drive blue icon.
That's correct; Time Machine doesn't mount and dismount directly-connected drives the way it does network drives. And it should have a green icon.
Is it only the Time Capsule that can mount/unmount? It's not the biggest of deals to have it on the desktop all day except that the system and certain applications periodically scan all drives which prevents the drive from sleeping.
That shouldn't be a problem. HDs are built to run 24/7.
I have Time Machine Editor v 2.5.3 set to backup up every 6 hours.
That's usually not a good idea, if you can avoid it. Local backups should be much faster than network, and won't be contending for your network connection. See #13 in Time Machine - Frequently Asked Questions (or use the link in *User Tips* at the top of this forum).

Firewire HD won't mount

We have two macs. We recently restored our MacBook from a hard drive error, and we have a lot of important stuff saved on a My Book external HD. Unfortunately, it doesn't mount on either the MacBook (running OS 10.5.5) or our iBook (running 10.4). It appears in the system profiler but not in either Finder or Disk Utility. Does anyone know what might be the problem, or better yet, the solution?
Thanks in advance!

See the following:
FireWire Issues- Drives disappearing or unmountable - corrupt volumes - solutions;
What to do if your computer won't recognize a FireWire or USB device;
LaCie's Mike Mihalik checked in with some tips about dealing with FireWire failures:
Seems like the FireWire issue needs to be revisited quite often. Here is my often repeated suggestion which appears to clear up many FireWire issues: reset the FireWire ports. Panther has a Finder Preference to show mounted volumes on the Desktop. You must set this for mounted drives to be visible. Please follow these instructions to reset your FireWire port. Here is a summary:
1. shut down and disconnect all external drives and peripherals ; make sure nothing is connected to the FireWire ports.
2. use Apple Disk Utility to repair permissions on your internal boot drive.
3. shut down and disconnect the AC power from the computer as well as the drives; if laptop, also remove battery; let sit unpowered and unconnected for 15 minutes.
4. reconnect AC power to only the computer (battery too if laptop)
restart computer.
5. verify that FireWire ports are visible within Apple System Profiler.
6. reconnect FireWire drive (only one); refresh window within Apple System Profiler to rescan the FireWire bus; confirm that drive is visible.
7. confirm drive is OK by using Apple Disk Utility and apply First Aid
repeat for other drives, one at a time.
And, you can try using Disk Utility to repair the drive:
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger and Leopard.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then quit DU and return to the installer. Now restart normally.
If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger, and 4.1 for Leopard) and/or TechTool Pro (4.6.1 for Leopard) to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.

Data Security: How to avoid Usb/Firewire volumes to be mounted?

Greetings Folks!
I'm a newbie of the forum and a mac switcher.
Last but not least i'm working in the IT field.
During my daily work it has been asked to me to block all usb and firewire volumes to be mounted on pc's and mac's.
For what concerns win pc'si got no prob.
Unfortunately i'mo not that lucky whith mac!
Is there any of you that could pass some hints on this topic?
Many thanks in advance!
Regards
Alessio

Welcome to the forums... and rest assured that, if it can be done in Windows, it can be done in Unix (sorry OS X)...
The easiest solution is to download the [Server Admin Tools|http://www.apple.com/support/downloads/serveradmintools1053.html] which contain a wonderful utility called Workgroup Manager.
This is designed to manage a network via OSX Server, but it can be easily used to manage a single Mac (just enter localhost as the address when you login).
For your particular issue, once you are logged in as an Administrator, select the user(s) or group(s) that you want to manage access for and click on Preferences. Then select Media Access. The rest is self explanatory.... but you can always use Workgroup Manager help (just type in "media access" as the search phrase, and show all results).
Cheers,
Rodney

External Firewire HD won't mount after Connecting to B&W w/ bad Firewire

I've tried and tried to find the answer, so finally I post...
I've had two external Firewire Laptop HD enclosures become unmountable after hooking them up to a 400 Mhz powermac G3. This has been 6 months apart. I used to use the Powermac B&W ... I know the Firewire worked at one time, but cant remember if it was before or after I added a Belkin USB 2.0 PCI card.
After clean installing... 10.3.2 .... no Classic... I hoped it would wake up the Firewire, did not. So hooked up the external HD to the USB.... it worked. Then, went to the eMac and via Firewire hooke up the same external HD.... it worked.... for 2 hours. Disconecceted, reconnected and like the other one...... no more mount. Not in classic, not on any comuter. If I daisy chain it to another Firewire external, the About this Mac no longer recognizes info on either. Once removed, the computer recognized the info the good one. Disk Utilities does not recognize harddrives in the enclosure... I put a different HD inthe enclosure.. still not mounting
It spins and receives power.... but no mount. Is this firmware? The hard drive is not corrupted... I put it into a mac mini and was able to extract the info... but what has caused this B&W's fire wire to go, and caused 2 of my externals to go as well....
Help.
Mixolidean

try the following to reset the ports:
1) zap PRAM - reboot holding down Cmd-Opt-P-R and left the machine boot cycle 3-4 times
2) reset Open Firmware
reboot holding down Cmd-Opt-O-F
at the screen type <reset-nvram</i>
press Return
type reset-all
press Return
3) disconnect ALL devices from the computer
unplug the computer from the wall
let it sit for 10-15 minutes
plug back in and reboot

HDs WILL NOT MOUNT AT ALL.

Ok my Lacie HDs will not mount at all anymore through my fire wire 400 ports. i have been back and forth with Apple and Lacie with this issue for months and nobody can find the issue. Heres the deal. When I bring my HDs to the Apple store and they plug them in to another computer they mount just fine. So I brought my whole system into the Apple store and ofcourse my HDs would not mount on my computer. So they tried to mount the HDs they had and they worked just fine. Mounting on USB works just fine also. So Apple tested my firewire ports and according to Apple my firewire ports are operating fine. But something is not operating fine. The tech at Apple told me that since I have 2 Lacie HDs plugged in on the same firewire bus its possible that my Mac (G4) can not tell the difference between the 2 drives and that would make them not mount at all. He also thought it would be a good idea for me to get a firewire card so my drives would be seperated and they can work on completely on 2 different busses. I have tried everything you could think of to try and get these drives to mount. I have tried to mount them one at a time, I have tried different power supplies, and firewire cords, nothing is working. Help me out..

Open up those LaZee drives and remove the HDs.
Then you can get one of these remounting kits (or anything similar and compatible):
http://eshop.macsales.com/shop/hard-drives/Cables-Mounting-Kits/
X

Why won't my FireWire HD partitions stay mounted on my desktop?

Why won't my FireWire HD partitions stay mounted on my desktop? I recenly purchased a quad interface 500GB external HD from OWC (which is connected via FW800). I then partitioned it for TIME MACHINE, some room for a backup of my primary HD, and partitions for boot disks for LION, SNOW LEOPARD, & TIGER. All partitions seem to be OK as well as the backup I made of my primary HD (using SuperDuper). My Energy Saver prefs are set to sleep the display in 3 minutes and the Hard Drive in 15 minutes. I fried one of my processors on the old Quicksilver by setting the Hard Drive sleep to NEVER. Don't want to make that mistake again on this Mac Mini, but I'm afraid that it is these prefs that are causing the primary internal HD to sleep, and at the same time lose my new external HD. Mysteriously, I have a SimpleTech 160GB HD with two partitions connected via USB2.0 and these NEVER dissappear.
Anyone have some helpful advice? It would be greatly appreciated.

Well, it's now Sunday, around 11:00am. What I have discovered has nothing at all to do with Energy Saver prefs as I had previously suspected. This morning, after having unchecked the box that would "Put the hard disk(s) to sleep when possible," I woke the computer and discovered that once again all partitions of my new external hard drive were no longer mounted. So I thought of trying something new.
Because I believed it to be insignificant, I failed to mention that this hard drive has two FireWire 800 ports. One is connected directly to the Mac Mini, the other I used to daisy chain a connection to my iSight camera (FireWire 400) using a bilingual cable. I wondered if the daisy chain might be causing a problem somehow. Incidentally, the iSight camera launches iChat whenever I turn the new HD off and then on again. An action which has always caused the missing partitions to mount. iChat launches even if the aperture cover is closed (turns camera off). Note: connected this way the iSight camera has been working fine.
So this is what I tried next. I simply unplugged the bilingual cord connecting my iSight camera. The first time the computer went to sleep, when I woke it again all the partitions were right where they should be. So I took the next step by once again checking the box next to "Put the hard disk(s) to sleep when possible.” Now the Energy Saver prefs are once again set exactly the way they were before I bought this new drive. I left for church at 7:45 and returned around 11:00am. Again, when I woke the computer all partitions of the new drive were exactly where they should be.
So, problem gone. But now how do I connect my iSight camera? And why is it causing all the partitions for the external drive to drop from the desktop every time the computer sleeps?
I have a son in the Navy and use the iSight to video chat when he is overseas. Is there something obviously wrong about the way I had the iSight camera connected? I would certainly welcome any help or suggestions.
Thanks in advance,
—Lakerunner

FireWire devices doesn't mount nor are recognized by OSX

A known issue but with several solucions posted but nothing seems to help me out...
Something is wrong with the FireWire of my Powerbook G4 667 MHz. External harddrives as soundcards as iPods as anything with a FireWire interface won't mount. However, it seems that the devices are getting electricity, Ipods charge for example. But doesn't appear on the desktop. Nor in the System Profiler. Disk Utility doesn't "see" the drives either. I have been trying with reseting the computer, the VRAM and the VPRAM. Also taken out the battery and left the computer alone for a while. No results. And of course, I have been searching the forums and diskussions like crazy but haven't found a solution.
Anyone who can give me some leads about what I can do next? A clue in this mystery is that I used a Pocketdrive to move files in between the Mac and a PC. I worked fine for 10 times or so, but then suddenly the Mac didn't mount it. First I thought that it was just that harddrive that had some problems (from the PC, I might haven't emptied the trashbin the last time I disconnected it from the PC) but then I realized that no FireWire deviced worked any longer.
Thanks in advance

Hi, jorgengun. Try running the Apple Hardware Test CD that came with your Powerbook, and see whether it reports any problem with your FireWire controller or port. It's possible that your port has gone bad, in which case the timing was probably just coincidental — it's unlikely that anything that happened on the PC could have caused your Powerbook's port to be damaged.
If you don't have Apple Hardware Test, a TechTool Pro or TechTool Deluxe CD has similar hardware testing abilities. (TTD was supplied by Apple to the purchasers of AppleCare Extended Protection plans, and is not available otherwise as far as I know. TTP is a commercial product.)
If you don't have any of the above, and all of the devices that no longer work when connected to the port did indeed work in the past, take the Powerbook to the Genius Bar at an Apple Store, or to a local Apple dealership, and have the port tested.
A bad port would necessitate one of two things: a logic board replacement, or the purchase of a CardBus-slot Firewire card.

Shell script to mount/unmount Vista laptop samba shares?

I have a couple Vista laptops in the house that I take to the office regularly, and currently I use Dolphin to browse into the laptop and xfer files back and forth, but I really don't want to use dolphin, I'd rather set up some kind of script/alias that can prompt me to mount and unmount the share instantly in shell, instead. Is this possible or do I just have to do it in fstab and issue mount/unmount commands everytime?
TIA for any help

I tested on a USB stick, no probs, I put my USB stick in a slot, waited for it to mount, ran the script using the "unmount first", then ran the "mount" second worked fine after that using the "unmount " part of the script, I found though that if I right clicked "eject" that the script would not mount the volume.
You could try something as simple as the below maybe.
tell application "Finder"
eject "LEXAR MEDIA"
end tell
set _VolumeName to "LEXAR MEDIA"
set deviceName to do shell script "diskutil list | grep \"" & _VolumeName & "\" | awk '{print $6}'"
--do shell script "diskutil mountDisk /dev/" & deviceName --mount
do shell script "diskutil unmountDisk /dev/" & deviceName --unmount
Budgie

Thunar mounting/unmounting NTFS drive in the side pane.

Hey ,
Could someone help me to set up Thunar to be able to mount/unmount & browse my NFTS drive "/dev/sda1" "/mnt/HDD" in the side pane?
Like this:
I already have a link to it in the side pane:
But...
I'd prefer to set it up properly, I've searched google and the bbs but couldn't find any info's on this.
Thanks

terminal:
*diskutil unmount /Volumes/"diskname"*
apple script:
tell application "Finder"
eject disk "diskname"
end tell
Keep the quotation marks in the above.
Mounting a disk is trickier because you need to know the mountpoint.
First, when the disk is mounted enter the following terminal command:
df
this will list all mounted devices.
locate the line with your disk and read off the first column. It should look something like
/dev/disk2s2
Unmount the disk. To mount it run
*diskutil mount /dev/disk2s2*

External FireWire disk doesn't mount on Leopard, does on Tiger?

Hi All,
I have an external FireWire Hard Drive that mounts as it should on all our Tiger Macs, but is invisible on our Leopard Mac. If we swap the FW cable for a USB2 cable, it shows up.
Is this perhaps another Leopard 'thing' maybe? Like the one where Leopard couldn't erase a hard drive to FAT 32 like a Tiger could?
Cheers and thanks in ant...
Chris

"Methinks you're perpetuating a myth"
I'm too long in the tooth to either listen to or perpetuate myths of any kind! Not a myth unfortunately, a weakness in Leopard that was pointed out to me some time ago (when Harry Potter was a boy) by a sage far wiser and way older than you or I - and he was right, and more importantly brought to an end some hours of frustration with Leopard.
So there!
Thank you for your suggestions, which have made me think. It can't be the cable because it works with all the Tiger Macs. It might be the slot but if it is, I have two faulty slots which would be rare on a pretty new machine.

Firewire HDs Don't Mount/Unmount Easily

Similar Messages

Maybe you are looking for