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Memory Expansion on the GWCT

New MessageMemory Expansion on the GWCT (modified 0 times) yellow1
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I'm also publishing this on my site: http://orchycam.hypermart.net/GTC.htm
This thread in an answer to requests lost in other threads.
Let's see.The GWCT comes with 96 megs of RAM. 64mb onboard and 32mb in a SODIMM format. The markings on the SODIMM (see other thread) led me to believe it was a 64mb chip.

Once you boot up, 16megs disappear somehow (code-morphing anyone ?) and you're left with 80megs.

After installing Win98 and feeling the pain of VERY sluggish performance, I went out and got a 128mb stick of SODIMM for $80. Seemed pretty cheap, but I guess I got lucky because there seem to be at least 5 types of SODIMM...Installing 128mb gave me a whopping 176mb of RAM and the sad thing was that there was practically no improvement in sluggishness !

Other posts detail this, but installing WinME did the trick and it seems that 128mb or 32mb don't make much of a difference if at all. I've been using 32mb since yesterday and will switch back to 128mb tomorrow to see if there's a diffence.

At the end of the day, these devices are going to be sluggish regardless of RAM and OS. When i go back to my W2K desktop, it's striking.

Still with the now active touchscreen, it's a fabulous web radio/jukebox and occasional browser tool. I'll be installing a Post-It type program tomorrow to round it up !

05-08-2001 23:04:00

New MessageRE:Memory Expansion on the GWCT (modified 0 times) yellow1
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So that's where the 16megs went:
"Memory Issue’s

Now the ugly part. Until now I've been pretty positive about the Crusoe idea, however there is a downside. The Code Morphing Software is as told placed in a 512kB flash-chip. This code is expanded into the main memory before usage and takes then 2MB of space. Still no need to worry since the default memory-configuration for laptops is getting near to 64MB.

However in order to speed up the translations Crusoe uses part of the main memory for caching. This will be ranging from 6 to 14MB, so that will make the total memory usage from 8 to 16MB. Now 16MB is already looking a bit different since this memory cannot be used anymore. But still, if you take a 64MB system the remaining memory sounds more than enough for things like internet browsing, word-processing, etc. The story unfortunately doesn't end here …

The real ugly part is that the Code Morphing Software uses more memory to run the same code compared to the 'classic' situation. It turns out that the Code Morphing Software required about 6 times as much memory. Oops!

So your 64MB notebook will have effectively (64 - 16)/6=8MB to (64-8)/6=9,3MB of RAM. You see the problem!

Add to that, that your system will require extra memory bandwidth because memory will be accessed very frequently. This could be a place were RAMBUS might not be obsolete …

Fortunately the TM3120 has PC133 support and the TM5400 will have PC266 (DDR-SDRAM, so PC133 with an AGP 2X trick.), so if memory-prices won't be too high I think the performance hit and price increase can be survived. But still this is the point where Crusoe could fail."

from http://cpusite.examedia.nl/docs/crusoe.html

This would tend to indicate that 128mb would be better than 32megs...I'll try again tonight.

05-09-2001 18:47:39

New MessageRE:Memory Expansion on the GWCT (modified 0 times) yellow1
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On the memory subject, Sisoft's Sandra reports the GWCP as having 128kb of L2 cache. That's certainly not consistent with the 3200 specs. Maybe they made a special version for Gateway ? Don't remember reading anything about that, so maybe Sandra is in error. Still the rest of the reported data (l1cache, speed, id, bus) is spot on, so...

Sandra also seems to think that the infamous Serial CPU ID# is enabled on the GWCP...Hope it's not true !

05-09-2001 18:51:42

New MessageRE:Memory Expansion on the GWCT (modified 0 times) yellow1
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Ok, back to 128 and frankly no visible improvement. It really gets sluggish at times when streaming real audio/video, windows media or mp3s.
05-09-2001 23:53:18

New MessageRE:Memory Expansion on the GWCT (modified 0 times) shaxs
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Ouch, the mp3 thing is not waht I wanted to hear. Does the stock linux distibution play linux?
-Jason
05-10-2001 00:48:02

New MessageRE:Memory Expansion on the GWCT (modified 0 times) ckbone
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Sandra reports an I-Opener has 128kb of L2 when it doesn't....probably a program bug. How does this this do playing mp3s off the hard drive? Will it handle the new Windows media player for this? It's a real stress test for your cpu.
05-10-2001 03:11:20

New MessageRE:Memory Expansion on the GWCT (modified 0 times) Ricko73
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Jason--

I wouldn't get too worried just yet. A majority of the people who have this opened up and running something other than what it was shipped with are using Windows. While I'm not trying to knock their efforts, it is a very resource hoggish operation system. I would think that under Linux that it would be much faster (from past experience on other machines) and could quite possibly decode MP3's...but we won't know that for several weeks, until some people start trying to get linux running on it.

For all the Windows fans...this is the beauty of Linux. You can get it small enough to fit onto that 32 mb compact flash card and still have most of the functionality there.

05-10-2001 04:03:57

New MessageRE:Memory Expansion on the GWCT (modified 0 times) shaxs
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On Midori's website it says this:
"Application Layer: browser, MP3 player, etc. "

This leaves me to wonder if a mp3 player comes with this distrubution or midori. Probally not but I am sure one could be added. I would like to keep the cf card in there with Linix on it and have the hard drive be a slave drive that stores all my mp3s and is acessable from midori. Anyone know if this is possible?
-Jason

05-10-2001 09:13:11

New MessageRE:Memory Expansion on the GWCT (modified 0 times) yellow1
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let me clarify that mp3s play fine, just don't expect to do much else while they play !
as for the OS, I'm a big BeOS/BeIA fan, so...It's just that you loose a lot of the Windows "conveniences" on alternative platforms
05-10-2001 09:27:49

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