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Firewire gone awol [message #244360] Sun, 16 February 2014 05:36 Go to next message
geraldcornish is currently offline  geraldcornish
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Hi

G5 dual 2GHZ late 2005 with wiped hdd -
started up in target disk mode via firewire cable (400),
installed 10.4.3,
restarted,
attached backup disk via firewire intending to migrate my user data.

Problem disk does not show up, tried several firewire cables &
alternate disks, zapped pram, all to no avail.
Have managed to import user data ok via usb2.

Any ideas where I go next?

Is the firewire 800 link separate from 400?
System profiler only states "up to 800 Mb/sec" and then only after
much wheel winding.
Maybe a 6-9 cable will get me firewire?

TIA
Ged

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Re: Firewire gone awol [message #244396 is a reply to message #244360] Sun, 16 February 2014 10:06 Go to previous messageGo to next message
Valter Prahlad is currently offline  Valter Prahlad
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Il giorno 16/02/14 11.36, "geraldcornish" ha scritto:

> Problem disk does not show up, tried several firewire cables &
> alternate disks, zapped pram, all to no avail.
Sounds like an hardware problem (either the port or the FW chips), but wait
for more informed opinions before getting worried. ;-)

> installed 10.4.3,
With didn't you install the 10.4.11 update?
That could contain some drivers or stuff that make the FW ports running as
they should.

> Is the firewire 800 link separate from 400?
> System profiler only states "up to 800 Mb/sec" and then only after
> much wheel winding.
> Maybe a 6-9 cable will get me firewire?
If the problem is with the 400 port, then the 800 might work.
Since a 400-to-800 FW cable should be relatively cheap (and always handy),
I'd give it a shoot.


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Re: Firewire gone awol [message #244397 is a reply to message #244396] Sun, 16 February 2014 11:11 Go to previous messageGo to next message
geraldcornish is currently offline  geraldcornish
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On 16 /02/ 2014, at 15:06, Valter Prahlad wrote:

>
>
>> installed 10.4.3,
> With didn't you install the 10.4.11 update?
> That could contain some drivers or stuff that make the FW ports
> running as
> they should.

Valter, that was to be my next job after migrating my user - I'll get
on with that now.

If no change I'll try the 9-6 firewire cable idea.

Ged

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Re: Firewire gone awol [message #244450 is a reply to message #244360] Sun, 16 February 2014 13:54 Go to previous messageGo to next message
Cameron Kaiser is currently offline  Cameron Kaiser
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>> Is the firewire 800 link separate from 400?
>> System profiler only states "up to 800 Mb/sec" and then only after
>> much wheel winding.
>> Maybe a 6-9 cable will get me firewire?
>
> If the problem is with the 400 port, then the 800 might work.
> Since a 400-to-800 FW cable should be relatively cheap (and always handy),
> I'd give it a shoot.

To shed more light on this: The FW800 and FW400 ports are separate ports
connected to the same bus and same controller, so this will only work if
the port is bad but the controller isn't. This is probably unlikely,
especially since you say you had to do a lot of fiddling to even get the
FW800 bus to appear at all.

I'd get a cheap FireWire PCI card and put that in. Any OHCI PCI card should
do. They're not very expensive.

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Re: Firewire gone awol [message #244460 is a reply to message #244360] Sun, 16 February 2014 17:53 Go to previous messageGo to next message
Kris Tilford is currently offline  Kris Tilford
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On Feb 16, 2014, at 12:54 PM, Cameron Kaiser <spectre@floodgap.com> wrote:

> I'd get a cheap FireWire PCI card and put that in. Any OHCI PCI card should
> do. They're not very expensive.

This will work for a Firewire port, but the original idea was to access Target Disk Mode, which only works with the built-in Firewire. I've got a similar 2.0 dual G5 and it's had some problems with Firewire in the past which seemed intermittent and definitely came back to full functionality after a period of not working. I didn't "do anything" to fix it, other than zap the PRAM & reset the NVRAM. A dead PRAM battery might be an issue?

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Re: Firewire gone awol [message #244487 is a reply to message #244460] Sun, 16 February 2014 20:11 Go to previous messageGo to next message
peterhaas is currently offline  peterhaas
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>> I'd get a cheap FireWire PCI card and put that in. Any OHCI PCI card
>> should do. They're not very expensive.

Correct ... any OHCI-compatible PCI card will provide basic Firewire, at
your choice of 400 or 800, and sometimes with several connector types,
even internal ones.

Even the very inexpensive Hong Kong cards are good.


> This will work for a Firewire port, but the original idea was to access
> Target Disk Mode, which only works with the built-in Firewire.

Correct ... the motherboard's BIOS provides specific support to the
motherboard-resident Firewire chip. The two go together ... period.

The BIOS is unaware of any add-in PCI- or PCI-e-based Firewire card.

Although the motherboard-resident Firewire chip may, indeed, be a
PCI-e-based solution.



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Re: Firewire gone awol [message #244707 is a reply to message #244487] Tue, 18 February 2014 04:39 Go to previous messageGo to next message
geraldcornish is currently offline  geraldcornish
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On 17 /02/ 2014, at 01:11, peterhaas@cruzio.com wrote:

>
>>> I'd get a cheap FireWire PCI card and put that in. Any OHCI PCI card
>>> should do. They're not very expensive.
>
> Correct ... any OHCI-compatible PCI card will provide basic
> Firewire, at
> your choice of 400 or 800, and sometimes with several connector types,
> even internal ones.
>
> Even the very inexpensive Hong Kong cards are good.
>
>
>> This will work for a Firewire port, but the original idea was to
>> access
>> Target Disk Mode, which only works with the built-in Firewire.
>
> Correct ... the motherboard's BIOS provides specific support to the
> motherboard-resident Firewire chip. The two go together ... period.
>
> The BIOS is unaware of any add-in PCI- or PCI-e-based Firewire card.
>
> Although the motherboard-resident Firewire chip may, indeed, be a
> PCI-e-based solution.
>
This G5 is late(October) 2005 with 8 ram slots - does it need to be a
PCI-E card or will PCI do it?

Ged

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Re: Firewire gone awol [message #244710 is a reply to message #244360] Tue, 18 February 2014 09:23 Go to previous messageGo to next message
Cameron Kaiser is currently offline  Cameron Kaiser
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> This G5 is late(October) 2005 with 8 ram slots - does it need to be a
> PCI-E card or will PCI do it?

It needs to be PCIe. However, PCIe support is incomplete on Power Macs;
any device connected to it will almost certainly not be bootable, let alone
Target Disk Mode-capable. It should work once OS X is booted, though.

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Re: Firewire gone awol [message #244713 is a reply to message #244710] Tue, 18 February 2014 13:31 Go to previous messageGo to next message
geraldcornish is currently offline  geraldcornish
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>> This G5 is late(October) 2005 with 8 ram slots - does it need to be a
>> PCI-E card or will PCI do it?
>
> It needs to be PCIe. However, PCIe support is incomplete on Power
> Macs;
> any device connected to it will almost certainly not be bootable,
> let alone
> Target Disk Mode-capable. It should work once OS X is booted, though.

Cameron, thanks for that detail.
Now I have tiger 10.4.11 up and running I'll just do my backups via
usb2, though I will get a 6-9 firewire cable and try the 800 jack later.
Meanwhile, I'll settle for what I have - it runs smooth & quiet &
faster than any of my previous macs - well the pismo is quieter!



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Re: Firewire gone awol [message #245013 is a reply to message #244460] Thu, 20 February 2014 14:32 Go to previous message
geraldcornish is currently offline  geraldcornish
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On 16 /02/ 2014, at 22:53, Kris Tilford wrote:

> On Feb 16, 2014, at 12:54 PM, Cameron Kaiser <spectre@floodgap.com>
> wrote:
>
>> I'd get a cheap FireWire PCI card and put that in. Any OHCI PCI
>> card should
>> do. They're not very expensive.
>
> This will work for a Firewire port, but the original idea was to
> access Target Disk Mode, which only works with the built-in
> Firewire. I've got a similar 2.0 dual G5 and it's had some problems
> with Firewire in the past which seemed intermittent and definitely
> came back to full functionality after a period of not working. I
> didn't "do anything" to fix it, other than zap the PRAM & reset the
> NVRAM. A dead PRAM battery might be an issue?


Just to let you all know the firewire 400 option has returned without
any prompting from me. I ran system profiler - where before there was
only a heading it said -

FireWire Bus:

Maximum Speed: Up to 800 Mb/sec

Unknown Device:

Manufacturer: Unknown
Model: Unknown Device
Maximum Speed: Up to 400 Mb/sec
Connection Speed: Up to 400 Mb/sec

There was nothing plugged into any firewire slot but I plugged in a
firewire hdd and all is well.


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