Tank you cadillacmike68...the last time that soldered the memory holder .checked and rechecked the solders ...seking for bridges etc...nothing found ...maybe dirt ...cleaned the memory with a eraser ....nothing ....but did not start with the memory in the internal memory holder ...so desoldered clea...

RealBlackStuff tank you ..yes the fan starts when windows start ..desktop shows

Just i buy 1 gb memory and run like that ....

Tank you memory issue finished ...solved (by half)

Screen not working .i will leave like desktop .with external monitor

tank you a lot

Funny T30 ...i did solder back the front memory holder ...chequing all 200 pins carefully..no shorts.........did not start whithout memory ...and the good one in the rear slot ....NADA. So i took it off ...and start ..funny must be a short ..i cudnt see nothing wrong in the soldered pins ... :oops: ...

Tank You RealBlackStuff....let me tell you that .the slot that solded(front one) did not work.not at all ...like at the begininn ...do not let the laptop start ...so by deduction i suppose that a short circuit is blocking the Bios Start ... Without the sodimm memory holder (front one) the laptop sta...

Hi all ...afther desoldering the plastic sodimm ram holder ...y found 2 bridges of solder betwen pins or wathever the name in the MoBo ...cleared them and try the 512 Mb memory ... Voala :lol: bios start post and run the bios set-up ...recognicing the 512 Mb sodimm memory ... Conclution .afther a bu...

some body know wich is the memory controler hub ..or northbridge in a T30 ..wich chip is .here is a general notebook diagram block
http://img16.imageshack.us/img16/4356/n ... rblock.png .copy paste .

tank you
adrian6322

No schematic to public to bad ...may try the approach like block diagram from TV & Radio

Tank You RealBlackStuff

Adrian6322

reply from the technician ...your memory 512 mb is good .so being stubborn ...may take off the memory plastic holder or disconect 200 pins .....just like next step if not working afther that .the sistem board MoBo is .bad ...where can i get the schematics or electronic diagram Tank you Harryc Adrian...

Suppose that i have both memory slots dead .not working at all .... Machine working fine ...just with a external monitor ..boot up OK ..all ok .and 1 ram slot not recognized(dead)..i did want to upgrade memory .so dissasembled and soldered the infamous pins..in the front memory ...i did not disconec...

added .and did not mention that i did not thake off the cmos battery .when resoldered the slot ..wath probability-- possibility .that something go wrong and damaged something else in the board ....
thank you for the fedback

adrian6322

hi Harryc ...i did run .start this machine .whit the memory in working slot the rear one then in the fixed resoldered slot. front one ...did not start ...and not beeping ...afther that chek and found i short .hard one to clear .... The question is ..may be the sodimm memory get screwed (by myself) b...

hi took off Hard Drive--- Cd .DVD...no wifi ....no Pcmcia card .... starting without ram ...i get 1-3-3-1- beeps code ... Then i put back 1 only one that I have .512mb ....laptop not starting at all cpu fan working and that is all ...switch memory to front slot .and Not working .. possibility of dam...

hi. mine is like whitsli.afther soldering front memory slot ...no beeps ...nothing ...may be the bios .waths next to try

sorry for gramar
tanks adrian6322

hi reding all that .past post whit ram slot problem ..disasemble lap and take the spongy shock blue absorber .assemble lap and resolder memory pins.adding solder ( my mistake) creating bridges betwen some pins ..yea dumb job. shorts just in the most difficult part betwen the 2 sockets ...solder get ...

Hello same problem here .after soldering ram pins .adding solder (my mistake) T30 dead ...so yes i tink still have some pins shorted .way under plastic connector .were i can get schematics .for this issue.to fix it .and forget about screen .just use external monitor .. can somebody help me with the ...