From: Felix Miata 
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@Date: Thu, 17 Jul 2003 11:08:01 -0400
Subject: Re: SCSI - SCA 80 To 68 Converter
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Don[ald] O. Woodall wrote:
 
> Hello All You Good Clean Scuzzy Folk
 
>      I am having trouble putting a computer together.
 
>      I am having trouble with the hard drives.  I have 2
> drives with the converters on them.  The eCS CD boots up
> fine , v1.0, and I can set the configuration and things
> continue until  SYM8XX.ADD  tries to load.  Then I am
> told it can't get access to the drives.

If installing/booting SCSI, the ideal place for SYM8XX.ADD is the first
line in CONFIG.SYS. Dunno how you could change that for a CD boot
though. You do want to move it there at first opportunity.
 
>      The converter has jumpers for:  ID 0
>                                      ID 1
>                                      ID 2
>                                      ID 3
>                                      MTR  - RMT Start
>                                      DLY  - Start Delay
>                                      SYN  - Synchronous
>                                      LED
 
>      The drives I have have jumpers on the drives also.
> So I have set the SCSI ID on the drives.
 
>      Sometimes, at power on, one drive will power(spin)
> up immediately, while the other will not spin up until
> the SCSI host adapter spins it up when polling the SCSI
> bus.
 
>      The one known ignorant question I have is:
 
>        "What is RMT Start?  What does it do?"

Delay spin means the drive decides the delay time. Might be remote start
(wait on host to spin it up). My memory is fuzzy.
 
>      What else should I know about using SCA 80 converters?

If you buy some that give trouble, return them. All are not created
equal, and price isn't necessarily indicative of suitability.

Some have termination packs soldered on. These are useless except at the
end of an UltraSCSI cable, unless you desolder and remove the resistor
packs. If you have more than one or two devices and are using SCSI
speeds over SCSI-2, active termination is a must.

http://scsifaq.org:9080/scsi_faq/
-- 
"Do not let the sun go down while you are still angry."
                                                Ephesians 4:26 NIV

 Team OS/2 ** Reg. Linux User #211409

Felix Miata  ***  http://members.ij.net/mrmazda/


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