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It would seem that replacement in the 901 of either the 4G SSD with an 8G SSD, or the 8/16G SSD with a HDD will result in problems - so neither enhancement is trouble free at the present time. I do wish we could get opinions from the relevant expert, and some help on the solutions.
Thus there seem to be two chances left for a side-issue free enhancement.
One is to replace the 8/16G secondary SSD with a larger SLC quality SSD, and use the secondary SSD as the boot drive - an expensive solution.
Second is to remove both SSDs and fit a 1.8" HDD - a cheaper solution.
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Hm, has anyone considered the possibility that the firmware might be the cause of our woes?
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Am I correct in assuming that so far the only one reporting any success with the 8 gig SSD from the EEE1000 is user smacmillan?
smacmillan, if youre reading this could you post detail of you eee, i.e. bios, board rev number etc.
(I've sent him a PM)
I am waiting on the 8 gig, but given the reports on failure here I am not too optimistic...
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I have a 1000 and 901, the 901 has a 64gb mydigital ssd in it.
the original 16gb 901 secondary ssd had a sticker with 204p v2.11
the original 4gb primary ssd has a sticker with 204u v2.11.
the e 1000 has a 32gb secondary with a sticker 204u v2.11 and a 8gb primary with the same 204u v2.11
the replacement 8gb primary appears identical to the e 1000 chips and layout but with a 204p v2.11 sticker
the replacement 8gb primary removes the secondary from both the 901 and 1000 in all the configurations i tested..
I cant remember if i tested the 1000 primary ssd in the 901 and it worked tho.
I will try if i get the chance
BTW these v2.11u and p messages show on boot so I assume it is the firmware of the drive.
got to get back to work.
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is it hard to remove old 4GB SSD and place there the bigger one?
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mleko wrote:
is it hard to remove old 4GB SSD and place there the bigger one?
The physical part is not too hard, youhave to open everything however... The motherboard and case are held together by 15 screws, 6 of which are under the keyboard, there is a screw holding the mobo to the lower case below that.
Then the 4gig is exactly like the 8gig in appearance.
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mleko wrote:
is it hard to remove old 4GB SSD and place there the bigger one?
It's not difficult, yet it voids the warranty.
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is it hard to remove old 4GB SSD and place there the bigger one?
See here for full instructions ---
http://video.google.com/videoplay?docid … 3675422376
Last edited by danMdan (2008-10-28 6:30:05 pm)
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Hi all,
that's my experience: I bought from Digital Discount a 16gb slc SSD (for Dell) to replace primary 4bg SSD and 8gb slc SSD from Asuspart to make me sure in the case 16gb doesn't work, so the BIOS doesn't recognize 16gb but recognize 8gb. I have just replaced the secondary 8gb SSD with a Digital Discount 64MLC SSD and the RAM with a 2gb Kingston. Now, finally, I have rocket under my fingers (waiting the adapter from JKK)
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which adapter?
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Hi again,
the news are different now:
the secondary MLD 64gb SSD works only if in the primary is mounted the 4gb ASUS factory;
if in the primary is mounted the 8gb SLC SSD from Asus 1000 it doesn' recognized the secondary SSD;
the same with 16gb SLC from MDD for Dell .
So every SSD is accepted as primary but if the size is over than 4GB the slave is not visible
everyone has just done this work?
everyone has just resolved this problem?
it is a BIOS upgrade problem?
please HELP ME
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There is more data on this at -- http://forum.eeeuser.com/viewtopic.php?id=41264&p=1
Giampi above is correct - if you change the original primary 4G SSD out for something bigger, even one intended for an Eee 1000 model, then the secondary SSD of whatever size is no longer recognised. See my previous comment #101. But so far, at least as far as I'm aware, no-one has explained why, or suggested a cure.
Last edited by danMdan (2008-10-29 6:41:27 pm)
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My feeling is that there is a master slave conflict.
Reference reading:
http://forum.eeeuser.com/viewtopic.php?id=49519 post #6
http://forum.eeeuser.com/viewtopic.php?id=41264&p=1 post #40
I will experiment, as soon as I get my soldring iron out of storage - oh the joys of moving house!
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thcousins wrote:
My feeling is that there is a master slave conflict.
Yep, after my experiments with making HDD and CF-ZIF master, I have the same feeling.
thcousins wrote:
Reference reading:
http://forum.eeeuser.com/viewtopic.php?id=49519 post #6
I suggested that in another thread 
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There is a suggestion on another thread that an alternative to use of the 8G SSD from the Eee 1000 model is to use the 8G SSD from the 702 8G model. Has anyone tried this combined with retaining a secondary SSD. If so does this combination work together, or is the secondary SSD again not seen ?
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I've been looking at some high res scans I've done of the stock 4Gb and an MDD 16Gb dell ssd, and CSEL is wired directly to the same pin on both, so I think the master/slave conflict idea is a red herring (it was my first thought also though), as the pulldown on the eee m/b would (and does) cause the dell ssd to assume the master role. I think the most likely candidate would be the lack of a 10k pullup resistor on DASP on the dell ssd as PDIAG is also connected directly to the same pin on both ssds.
I'm not entirely sure what's going on with the DASP master/slave negotiation (more reading required) as it's apparently the slave that should assert DASP, but as it's the most notable difference between the two ssds that has something to do with the master/slave relationship, I think it's the most worth trying as a potential fix (connect pin 70 of phison to vcc using 10k resistor).
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Hiya!
Recentliy i've purchased a 901 GO with Slow 16 GB SSD. It shows as Secondary Master.
I've allready have a 901 with 4GB fast & 16 GB Slow. 4 GB Shows as Secondary Master & 16 GB Shows as Secondary Slave.
I tried to take the 4GB of the 901 and place it in the 901GO but when i try to place any of both 16 GB it don't recognice it. (Just see 4GB Secondary Master)
If i place any of both 16 GB in the 901 without the 4GB module it detects both as Secondary Slave.
Any idea why with the 4GB installed in the 901 Go is not detecting the 16 GB?
I asume that there is something in the MB that controls Master/Slave attached SSD because 901 Go detects both 16GB as master and 901 without 4GB module detects both as slave.
I will take a look to both motherboards to check if i can found something diferent...
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So what happens if you remove BOTH original SSD's, then only replace the 4gb drive with a bigger SLC SSD (leaving the secondary slot empty)?
Does this not force it recognize the new SSD as master?
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danMdan wrote:
There is a suggestion on another thread that an alternative to use of the 8G SSD from the Eee 1000 model is to use the 8G SSD from the 702 8G model. Has anyone tried this combined with retaining a secondary SSD. If so does this combination work together, or is the secondary SSD again not seen ?
This is what I want to know. Can I swap the 8GB ssd from my 702 with the 4gbssd from the 901, leaving me with a virtual 701 and a boosted 901 .. can anyone answer this??
Dismantelling both my eee's to answer this myself is far too daunting a prospect.. but If I had evidence that its likely to result in success I may well have a go..
then when needed I can upgrade the slow ssd in the 901 to one of these runcore beauties and wham one fantastic nettop with bags of fast shockproof storage
tia
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so conclusion so many threads and posting, one more time i asked to you all. can i upgrade both on my 901 to higher SSD? like runcore SSD or not?? how it make possible! using both higher SSD! for Asus 901 on primary 16GB internal and 128GB on secondary?!?
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No. You can sure upgrade the secondary SSD with a faster one - but nothing I have read in many threads leads me to understand that the primary 4G SSD can be upgraded successfully, indeed in certain situations it may even be adviseable to disable it or even remove it.
No one appears to be making the necessary short length replacement SSDs compatable with the 4G orignal.
Last edited by danMdan (2009-01-02 9:59:43 am)
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Just came across this forum looking for a solution to increase the size of the primary drive. As a work-around (I found 4GB to be totally inadequate for Win XP), I reinstalled XP to the 8 GB ssd, reformatted the 4 GB ssd and used the 4GB for data and installation directories for miscellaneous programs.
Not what I wanted to do, but seems to be a workable solution if upgrading the ssd's is not an option.
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The Asus fitted 8G SSD is just not fast enough to run an OS from - see this comparison between the write and read speeds of the original 8G SSD and a fast 32G Runcore.
[URL
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No-one yet has found a satisfactory way to increase the primary drive size from 4G - the solution is fit a faster secondary SSD, replacing the 8G one, and run the OS and all programs from this.
Last edited by danMdan (2009-01-09 6:45:43 pm)
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danMdan wrote:
No-one yet has found a satisfactory way to increase the primary drive size from 4G - the solution is fit a faster secondary SSD, replacing the 8G one, and run the OS and all programs from this.
Not completely satisfactory, but better than 4GB + 8GB , you can use a Runcore Dell Mini 9 SSD (up to 64GB) as primary, but only as either single SSD or with the standard Asus secondary SSD. I use a 64GB Runcore Dell SSD (as single SSD, as I haven't been able to use it with a 70mm Runcore SSD yet) without any apparent problem.
Stig
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you can use a Runcore Dell Mini 9 SSD (up to 64GB) as primary
But that involves taking the Eee apart to get at the 4G SSD to exchange it - something many owners will be either unwilling to do or in some cases unable to do. My way can be achieved more easily since the 8G SSD can be accessed via the bottom door. And there is a wiki note to help ---
http://wiki.eeeuser.com/replacing_secon … slow%20ssd
Last edited by danMdan (2009-01-10 4:37:25 am)
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