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Everything Else => Model Specific Forums => Distros, Development, and Model Specific Forums => Archived Forums => SIMpad forum => Topic started by: niv on July 09, 2005, 03:28:10 pm

Title: How To Simpad -> 128 Mb?
Post by: niv on July 09, 2005, 03:28:10 pm

just opened my SL4.
pls guide how to add 64Mb to have a 128Mb machine?

Title: How To Simpad -> 128 Mb?
Post by: guylhem on July 11, 2005, 10:15:54 pm

1. replace the ram chips with chips twice as big
2. use the kernel I tweaked to support the extended ram

that's all

Title: How To Simpad -> 128 Mb?
Post by: niv on July 13, 2005, 11:48:25 am

I hope to use chips from memory sticks from old pcs.
I found some info using google at a german site.
what chips can I use to replace the 64 Mb to 128mb ?

linky (http://ray1.net/it-systems/hware/ram.html)

btw, seems the ipaq has a 256mb upgrade. can we do 256?
seems they use a "stack" method. they solder one chip on top of the other.

Title: How To Simpad -> 128 Mb?
Post by: niv on July 17, 2005, 07:50:45 pm

following the bread crum path:
linky with samsung chips (http://groups-beta.google.com/group/comp.sys.handhelds/browse_thread/thread/f693c341cd7ff2d5/ba967b2c5942dc16?q=what+memory+chips+to+upgrade+the+ipaq&rnum=5&hl=en#ba967b2c5942dc16)
yet another link (http://64.233.183.104/search?q=cache:B57xCZM1siUJ:www.handhelds.org:8080/wiki/copy_of_UpgradingDRAM+K4S561632B-TC1H000&hl=en&start=5&client=firefox-a)

samsung 512Mbit (http://www.samsung.com/Products/Semiconductor/DRAM/SDRAM/SDRAMcomponent/512Mbit/K4S511632M/K4S511632M.htm)

EDS5116AB
HM5257165B
HM5257165B
HM5259165B
HM5259165B
HY57V121620T
HYB39S512160AT
MT48LC32M16A2
MT48LC32M16A2
K4S511632C
K4S511632M

Title: How To Simpad -> 128 Mb?
Post by: BarryW on July 17, 2005, 11:12:22 pm

Just be ungodly careful.  I ruined an iPaq trying this.  Ripped the traces right off the board.

Title: How To Simpad -> 128 Mb?
Post by: niv on July 18, 2005, 10:06:08 am

seems a bit expensive , hm...
found a dealer asking 10 PCS MINUMUM.  K4S511632MTC75 (http://www.samsung.com/Products/Semiconductor/DRAM/SDRAM/SDRAMcomponent/512Mbit/K4S511632M/ds_k4s511632m_03.pdf)  $40 each

as I will need two chips.. its 80$ ....
and 40$ to solder it ....

any one got any idea which dimms use this chip?

Title: How To Simpad -> 128 Mb?
Post by: niv on July 23, 2005, 09:44:12 pm

found a PNY SODIMM that has 4M X 16 bit X 4 banks chips. its a 256 Mb pc133.
found this to help hunt those sodimms down: http://www.tyan.com/support/html/memory_s2380.html (http://www.tyan.com/support/html/memory_s2380.html)