Re: Any experience with USB to SCSI adaptors in OSX?

2006-01-10 Thread Francesco sciacca
snip
  Or can anyone recommend a different adaptor that works in OSX?

snip
 I use the XpressSCSI adapter from Microtech.  The adapter makes the  
 SCSI devices plugged into it, (daisy chained up to 7) look like USB  
 devices in OSX.  I run Panther and there has never been a problem.  The  
 devices I use on it:  SyQuest removable drive (remember those?), SCSI  
 CD-burner (even works in iTunes), Jaz drive and an Epson SCSI printer.   
 I recently replaced the printer 'cause it finally died but it had  
 nothing to do with the adapter.  The reason the Belkin adapter needs  
 drivers in the first place is due to the fact that it doesn't do what  
 the Microtech adapter does, which is simply fool OSX making it think  
 it's all USB devices.  In fact, under System Profiler, SCSI still says  
 no devices found, and yet under USB all the devices come up, with the  
 adapter showing up as a USB hub.  THE MOST IMPORTANT thing to remember  
 when using these adapters is to have an ACTIVE terminator on the last  
 chained device, NOT a passive terminator.  That simple mistake can  
 cause the devices to simply not work, or worse, damage  everything.   
 Hope this info helps in your SCSI quest.

Hi Zoltan,

this is an interesting bit of information, thanks for sharing it. I have one
observation and one additional question:

I have my SCSI peripherals hooked up to a Lombard on its SCSI port, yet
System Profiler (Tiger) doesn't show anything under SCSI. Everything works
perfectly, though.

Does the XpressSCSI adapter from Microtech you use break the requirement of
avoiding hot-plug/unplug of SCSI devices? Now, that would be something!

cheers,
gianfranco

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Re: Any experience with USB to SCSI adaptors in OSX?

2006-01-10 Thread Luis Sequeira


On Jan 10, 2006, at 11:47 AM, G-Books wrote:


Andrew,

I use the XpressSCSI adapter from Microtech.  The adapter makes the
SCSI devices plugged into it, (daisy chained up to 7) look like USB
devices in OSX.  I run Panther and there has never been a problem.   
The

devices I use on it:  SyQuest removable drive (remember those?), SCSI
CD-burner (even works in iTunes), Jaz drive and an Epson SCSI printer.
I recently replaced the printer 'cause it finally died but it had
nothing to do with the adapter.  The reason the Belkin adapter needs
drivers in the first place is due to the fact that it doesn't do what
the Microtech adapter does, which is simply fool OSX making it think
it's all USB devices.  In fact, under System Profiler, SCSI still says
no devices found, and yet under USB all the devices come up, with  
the

adapter showing up as a USB hub.  THE MOST IMPORTANT thing to remember
when using these adapters is to have an ACTIVE terminator on the last
chained device, NOT a passive terminator.  That simple mistake can
cause the devices to simply not work, or worse, damage  everything.
Hope this info helps in your SCSI quest.

Zoltan



I have one of those but I could never find a driver for it in Mac OS  
X... where can one get such a thing?
The Microtech site just says this is product is discontinued and  
points to one that says is not mac compatible...


Luis Sequeira



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Re: Any experience with USB to SCSI adaptors in OSX?

2006-01-10 Thread Zoltan Batiz


On Jan 10, 2006, at 7:01 AM, Luis Sequeira wrote:



On Jan 10, 2006, at 11:47 AM, G-Books wrote:


Andrew,

I use the XpressSCSI adapter from Microtech.  The adapter makes the
SCSI devices plugged into it, (daisy chained up to 7) look like USB
devices in OSX.  I run Panther and there has never been a problem.  
The

devices I use on it:  SyQuest removable drive (remember those?), SCSI
CD-burner (even works in iTunes), Jaz drive and an Epson SCSI printer.
I recently replaced the printer 'cause it finally died but it had
nothing to do with the adapter.  The reason the Belkin adapter needs
drivers in the first place is due to the fact that it doesn't do what
the Microtech adapter does, which is simply fool OSX making it think
it's all USB devices.  In fact, under System Profiler, SCSI still says
no devices found, and yet under USB all the devices come up, with 
the

adapter showing up as a USB hub.  THE MOST IMPORTANT thing to remember
when using these adapters is to have an ACTIVE terminator on the last
chained device, NOT a passive terminator.  That simple mistake can
cause the devices to simply not work, or worse, damage  everything.
Hope this info helps in your SCSI quest.

Zoltan



I have one of those but I could never find a driver for it in Mac OS 
X... where can one get such a thing?
The Microtech site just says this is product is discontinued and 
points to one that says is not mac compatible...


Luis Sequeira



Hmmm,

Interesting.  Have you plugged it in to see if it will work?  If you've 
got an active terminator on the end chain device, and all the devices 
are turned on, then the adapter should just work.  No need for new 
drivers.  The USB drivers the adapter uses are already installed in OS 
X.


Z


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Re: Any experience with USB to SCSI adaptors in OSX?

2006-01-10 Thread Amanda Ward

Hi Andrew,

I have been using a Microtech USB-SCSI-HD50 and I'm completely  
satisfied with it. Works with my iBook (10.3.9), BW's (10.4.3   
10.2.8) and most of my wintel boxen (w2k). I use the adapter to  
connect an Iomega Jaz drive.


Good luck,

Amanda

On 08/01/2006, at 1:31 PM, Andrew in Ann Arbor wrote:


Hello All
I'm shifting from a Lombard to a Pismo and want to be able to  
connect to SCSI devices, specifically older powerbooks (520, 1400,  
Wallstreet) using the SCSI dock connector.
To do this I've recently got a Belkin F5U015-TPW USB to SCSI  
adaptor but have had no luck finding drivers for Panther. According  
to Belkin's web site this device is OS 8 and OS9 only.
http://www.belkin.com/support/download.asp?download=F5U015- 
TPWlang=1mode=

Does anyone know where I might look for OSX drivers?
Or can anyone recommend a different adaptor that works in OSX?

Thanks

Andrew in Ann Arbor
technology is the answer, what was the question?


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Re: Any experience with USB to SCSI adaptors in OSX?

2006-01-09 Thread Zoltan Batiz


On Jan 8, 2006, at 1:31 PM, Andrew in Ann Arbor wrote:


Hello All
I'm shifting from a Lombard to a Pismo and want to be able to connect  
to SCSI devices, specifically older powerbooks (520, 1400, Wallstreet)  
using the SCSI dock connector.
To do this I've recently got a Belkin F5U015-TPW USB to SCSI adaptor  
but have had no luck finding drivers for Panther. According to  
Belkin's web site this device is OS 8 and OS9 only.
http://www.belkin.com/support/download.asp?download=F5U015- 
TPWlang=1mode=

Does anyone know where I might look for OSX drivers?
Or can anyone recommend a different adaptor that works in OSX?

Thanks

Andrew in Ann Arbor
technology is the answer, what was the question?



Andrew,

I use the XpressSCSI adapter from Microtech.  The adapter makes the  
SCSI devices plugged into it, (daisy chained up to 7) look like USB  
devices in OSX.  I run Panther and there has never been a problem.  The  
devices I use on it:  SyQuest removable drive (remember those?), SCSI  
CD-burner (even works in iTunes), Jaz drive and an Epson SCSI printer.   
I recently replaced the printer 'cause it finally died but it had  
nothing to do with the adapter.  The reason the Belkin adapter needs  
drivers in the first place is due to the fact that it doesn't do what  
the Microtech adapter does, which is simply fool OSX making it think  
it's all USB devices.  In fact, under System Profiler, SCSI still says  
no devices found, and yet under USB all the devices come up, with the  
adapter showing up as a USB hub.  THE MOST IMPORTANT thing to remember  
when using these adapters is to have an ACTIVE terminator on the last  
chained device, NOT a passive terminator.  That simple mistake can  
cause the devices to simply not work, or worse, damage  everything.   
Hope this info helps in your SCSI quest.


Zoltan


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Re: Any experience with USB to SCSI adaptors in OSX?

2006-01-08 Thread Brian McEwen


On Jan 8, 2006, at 4:31 PM, Andrew in Ann Arbor wrote:


Hello All
I'm shifting from a Lombard to a Pismo and want to be able to  
connect to SCSI devices, specifically older powerbooks (520, 1400,  
Wallstreet) using the SCSI dock connector.
To do this I've recently got a Belkin F5U015-TPW USB to SCSI  
adaptor but have had no luck finding drivers for Panther. According  
to Belkin's web site this device is OS 8 and OS9 only.
http://www.belkin.com/support/download.asp?download=F5U015- 
TPWlang=1mode=

Does anyone know where I might look for OSX drivers?
Or can anyone recommend a different adaptor that works in OSX?


A couple profs in my wife's dept (longtime Mac) tried some (each of  
the 2?) available offerings, with only disappointment, for scanners  
or hard drives.


I'd avoid the concept myself.  Especially hooking up working CPUs via  
SCSI dock.  Everything I've reqad about this adapter class indicates  
that they are problematic, you cannt trust voltages etc-  seems like  
a good way to kill hardware.


Maybe someone has success stories but here it was only negative results.

HTH.

Brian




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