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Author Topic: SCSI: narrow or wide in A3000 ?  (Read 1123 times)

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Offline MrZammlerTopic starter

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SCSI: narrow or wide in A3000 ?
« on: May 04, 2007, 06:16:06 PM »
Some ultra scsi drives (68pin) have a jumper marked narrow/wide. I know narrow is defined in SCSI-1 (which is what A3000 has).

So, when connecting such a drive on the A3000's internal bus (with a 68->50 pin adaptor) should it be set to narrow or is it ok if it's in wide (faster)?

Thanks
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Offline MrZammlerTopic starter

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Re: SCSI: narrow or wide in A3000 ?
« Reply #1 on: May 04, 2007, 06:44:08 PM »
Well, yes, it makes sense.

Although, if not set it still works and I feel "faster" than when in narrow mode.

Thing is the disk wont always startup (although it spins) and the amiga wont recognise it, and I'm trying to figure out if that may be causing it.
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Offline MrZammlerTopic starter

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Re: SCSI: narrow or wide in A3000 ?
« Reply #2 on: May 04, 2007, 07:16:33 PM »
Quote

amiga_3k wrote:
Does it always start in narrow-mode?


Not sure, trying this now (it has booted 2-3 times I tested, need more time to be sure).

Quote

Also, have you tried lowering the startup-priorities of other potential boot-devices (giving the harddisk more time to spin-up and calibrate)?


No other boot devices, just one partition on a single drive.
Anyway is the only way