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Quantum firmware downgrade


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#1 koyeap

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Posted 29 January 2013 - 02:28 AM

Hi guys,
I try to upgrade a quantum 140 CPU 67160 firmware
From v2.27 to v3. But then I found out the hsby port firmware update require a special fiber optic cable which I do not have. So the CPU is now hang in the middle, the CPU firmware already up to v3, but hsby stay at old version.
Can I just use the backup to downgrade to v2.27?

All the manual I found is talk about upgrade or switch between unity and concept. So any comment or link from you guys will be a big help to me.

Thanks a lot!

#2 Crossbow

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Posted 30 January 2013 - 08:45 PM

It's been years since I touched one, but my understanding on Quantum (and Momentum and Compact for that matter) was firmware can be upgraded, but never downgraded.

#3 koyeap

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Posted 30 January 2013 - 09:30 PM

I try to downgrade, it show a Massage
"OS loader
Invalid OS CKSUM"
So now planning to find the fiber optic cable.

Haiz, before I try to upgrade firmware,
I call the schneider support and the guy told me nothing to worry,
Just don't power off the device during update.
And when I face the cable issue, he told me the cable obsolete and
schneider do not have the stock.....




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