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Master jumper setting on DuraDrive ET2?

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Postby SSD-James » Thu Feb 07, 2013 4:27 pm

Yup, I got it.
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Postby ifreeze » Sun Feb 10, 2013 4:00 am

o.k. no jumper=Master.

But all the powerbooks still freeze after wakeup.
The only way jet is to disable auto sleep and close the lid instead.
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Postby SSD-James » Mon Feb 11, 2013 9:26 am

Hope you have a solution by that e-mail.
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Postby ifreeze » Tue Feb 12, 2013 7:48 am

Which mail? I got only one that says no jumper = master but this didn't resolve my problem.
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Postby SSD-James » Tue Feb 12, 2013 10:37 am

Auto sleep mode is theoretically same as "closing the Lid SLEEP mode"
The only difference is auto or manual.
Why does it make different?
I am not good at pb old Mac OS 10.4... curious.
It is so different phenomenum from the recent MB pro.
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Postby ifreeze » Tue Feb 12, 2013 5:35 pm

On my MPBs I'm using SATAII SSDs......

BTW: Why the benchmarks (x-bench and aja) show only a write speed from 26-30 MB/s ? (The read speed is 90 MB/s) Is this o.k. for the 32GB drive?

The ET2 has garbage collection, hasn't it? Somewhere I read on SSDs the partition should be only 95% and 5% should be left unpartitioned. Is this true?

Would a 1,8" SATA-II drive with a SATA to PATA adaptor bring any benefit?
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Postby SSD-James » Wed Feb 13, 2013 9:59 am

I thought your MB G4 uses PATA drive.
Is it SATA II?
Then, why did you buy ET2? it is PATA...
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Postby ifreeze » Wed Feb 13, 2013 11:48 am

No, because you mention that the MBP is different. I own MBP too and have installed Samsung 830 SATA-II. They run without any trouble.

For the older Powerbooks I bought the ET2. Though that would be better than some noname drives.

They are freezing all PBs I own and the write speed is only 30 MB/s, much less than the data sheet says. Maybe because some incompatibility?

I now tried another vendor: Bad read speeds, but no freezing. It uses an sandforce controller. I don't understand....
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Postby SSD-James » Wed Feb 13, 2013 3:24 pm

Now I got your point.
Old PB-PATA.
New MBP-SATA II
SandForce controller - it is SATA controller. So, you tried that on the MBP, right?
Yeah, SandForce controller read speed/write speed are all bad because it used an compression.

I also have very old MacBook mini which is G4. I do not remember it is SATA or PATA.
It could be SATA. No problem. no freeze with Indilix controller base SSD.

ET2 is one of good product among our product lines per my testing and experiences.
But I do not know of your case. PB is so old that we do not have it to test/confirm your case.
But, I believe you...
What is your ET2 SSD firmware version?
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Postby ifreeze » Wed Feb 13, 2013 5:15 pm

Thank you James for your efforts help me.

Both ET2 have the latest firmware. Is there any way to downgrade them, just to try?

Somewhere on a blog somebody had posted his x-bench values with the same PB.
He got similar reading speed but 2,5 (80 MB/s write speed) with an ET2 128 GB, my 32 GB give only 27 MB/s.

Do you think the 27 MB/s are ok. for an ATA100 IDE interface? Why he got 80 and I only 27?
I know the bigger drives are a little bit faster.

The old macs are for me more collectible items than working machines. Maximum ram and a good SSD can transform them in silent and still usable devices.

By the way: Is there an EastWho chip in the ET2? Has it automatic garbage collection build in?
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