WR - memory compatability ?

04-05-2007, 11:03 PM

MrMex

i am white in my dreams

Join Date: Oct 2003

Location: everywhere

Posts: 133/0.07

Threads: 10

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memory compatability ?

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I have an old pos computer that needs more memory. i would buy new but it came with the bastard child of memory, RAMBUS or RDRAM.

I have pc800 but can get either pc600 256k sticks or pc800 128k sticks...whats the deal with this?

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04-06-2007, 08:25 AM	#2
CWB hells' troubleshooter Join Date: Jun 2005 Location: phobos west Posts: 6,163/4.70 Threads: 34 Friends Network Gold Member	Re: memory compatability ? bastard child is correct . the price of this stuff can be pretty high . get the pc800 type ... the pc600 is slower . there is another thing to think about ... on the page(s) below is a "note" stating that in 16bit applications , the sticks have to be used in pairs (eg : 2 X 256meg) . you could wind up sinking a lot of money into this deal . there is some available @ 45 bucks each ... it may not work in your system though ... there is some available for "dell specific" applications . a little more research/information helps avoid throwing money down the drain . http://www.newegg.com/Product/Produ...cription=rd+ram http://www.newegg.com/Product/Produ...cription=rambus

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04-06-2007, 11:30 AM	#3
MrMex i am white in my dreams Join Date: Oct 2003 Location: everywhere Posts: 133/0.07 Threads: 10 Friends Network	Re: memory compatability ? fing crazy prices! so forget about using pc600...thanks

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04-08-2007, 10:14 PM	#4
MrMex i am white in my dreams Join Date: Oct 2003 Location: everywhere Posts: 133/0.07 Threads: 10 Friends Network	Re: memory compatability ? well bought some mem and installed it and made my computer crash 3 ways to sunday. the mem is samsung 800-45...any idea why?

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04-09-2007, 06:31 AM	#5
SMonty30 bitch Join Date: Aug 2006 Location: Brampton UK Penis Size: 7" Long, And Its Fat Too. Posts: 2,309/2.64 Threads: 30 Friends Network	Re: memory compatability ? bad memory is usually the cause.....

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04-09-2007, 07:50 PM	#6
CWB hells' troubleshooter Join Date: Jun 2005 Location: phobos west Posts: 6,163/4.70 Threads: 34 Friends Network Gold Member	Re: memory compatability ? hmmm ... without knowing a few other particulars it is hard to say ... it's kind of like someone saying "my car won't start" ... knowing more about your machine/motherboard would help . more info on the ram you bought would help too . how many meg were the sticks you put in ? some boards/bios will not address over "x" amount . speaking of bios ... did your machine come up to the point where you could look at the bios settings in the "setup" page ? another point to think about is reputable markings/dealers ... i found an older article (about the vintage of your machine i hope) that gives some warnings . there is a link to the samsung site to obtain more info : http://www.gamepc.com/labs/view_con...cookie%5Ftest=1 as i say , there is more to putting ram into a machine than one would expect .... especially with older machines . heh ... i have some OLD pc66 stuff in the bone pile ... why , i will never know !

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04-11-2007, 12:30 AM	#7
MrMex i am white in my dreams Join Date: Oct 2003 Location: everywhere Posts: 133/0.07 Threads: 10 Friends Network	Re: memory compatability ? the comp would go all the way into windows and work for a minute..then shut off like the power went off and on. i tried linking the model number on this on to samsungs website but could not get a match...hmm btw serial # is r18r88c1 v1.0...its got a blue cover

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04-11-2007, 07:41 AM	#8
CWB hells' troubleshooter Join Date: Jun 2005 Location: phobos west Posts: 6,163/4.70 Threads: 34 Friends Network Gold Member	Re: memory compatability ? ok ... let's eliminate a couple of variables here ... what OS is in the machine ? put the old ram back in ... does the comp function correctly ? if it does , this eliminates the power supply as being suspect . while it is possible to get new bad ram it is unlikely (if it is from a reputable dealer) . there are programs to check the ram in a machine . can you post the make/model number of your machine ? knowing what motherboard is being used would help . some boards do not like to mix-n-match ram . the manual for the motherboard will tell you exactly what you can use for ram and how to configure it you said that windows will start normally and then the machine crashes ... see if you can boot into the bios setup . let it run for a while to see if the machine remains stable . post back the info .

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04-11-2007, 11:41 AM	#9
MrMex i am white in my dreams Join Date: Oct 2003 Location: everywhere Posts: 133/0.07 Threads: 10 Friends Network	Re: memory compatability ? windows xp works with old ram, no probs just slow as hhell compaq presario 7000 installed with both old and "new" ram and could not figure out for the life how to get into bios, would only get into windows setup. took out old stuff and starte then saw the option for bios setup where it hadnt been, went into it no prob. really thanks a lot dude

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04-11-2007, 07:03 PM	#10
CWB hells' troubleshooter Join Date: Jun 2005 Location: phobos west Posts: 6,163/4.70 Threads: 34 Friends Network Gold Member	Re: memory compatability ? ok ... there are a few different models of the "7000" . go here and find the one that fits your machine : http://www.memorystock.com/Compaq-presario-desktop.htm you mentioned that you had both old and new ram in the machine and it did indeed start up ... is it possible that you missed the "press F4 (or whatever F number it wants) repeatedly to enter bios setup" in the boot sequence ? if this is the case , try it with both again . what size sticks did you get ? what size are the originals ? on some boards , you have to install the smaller sticks in certain slots . there was also an issue with the maximum size matrix (aXb) that could be addressed . from what i seen , the 7000's came with ME ... was your machine a total wipe and install or the "upgrade" to XP ? i think there was an issue with some machines' bios with the ram when upgrading from ME to XP ... i'll do a little digging . you may wind up having to flash the bios ... i hope not , it is a last resort . it would best be done by an individual that is really hip with what is going on . an error in doing this can result in a real pain in the arse . ps ... i can see why your machine is slow ... xp likes ram ... but hell , ME was a pile of crap .

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04-12-2007, 02:33 PM	#11
MrMex i am white in my dreams Join Date: Oct 2003 Location: everywhere Posts: 133/0.07 Threads: 10 Friends Network	Re: memory compatability ? Its a 7000t...after chating with online help for like a freakin hour....he also said to try one a t a time..ill do that when i get back from work. but he said to install in slots 1+3 or 2+4...theyve been in 1+2 and 3+4 with the duds in the other 2 slots. the computer was a complete wipe then xp installed i got 128 sticks and so are the originals im sure i have the slowest computer still in use today

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04-12-2007, 06:42 PM	#12
CWB hells' troubleshooter Join Date: Jun 2005 Location: phobos west Posts: 6,163/4.70 Threads: 34 Friends Network Gold Member	Re: memory compatability ? ok , now that i know they are the same size sticks ... putting in a single KNOWN (original) good stick and one of the "new" sticks is a good way to weed out/look for a bad unit . put 'em in , fire it up and see what happens .

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04-13-2007, 12:38 AM	#13
MrMex i am white in my dreams Join Date: Oct 2003 Location: everywhere Posts: 133/0.07 Threads: 10 Friends Network	Re: memory compatability ? tried one old with one new and complete NO...power on and cpu buzzer goes off with no boot up. i think is the totally wrong memory. im looking to match this part number for the memory and cant find it on samsungs site : mr16r0828an1-ck8 new

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04-13-2007, 12:58 AM	#14
MrMex i am white in my dreams Join Date: Oct 2003 Location: everywhere Posts: 133/0.07 Threads: 10 Friends Network	Re: memory compatability ? ok, really started looing at the pieces themselves and heres what i noticed. The model number is on two places on the sticks, once on the sticker and then one the circuit board edge. on the old memory the number matches, on the new one it does not. old: mr16r0828an1-ck8 new: mr16r0828an1-ck8 and on circuit board r18r88c1 v1.0

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04-13-2007, 07:08 AM	#15
CWB hells' troubleshooter Join Date: Jun 2005 Location: phobos west Posts: 6,163/4.70 Threads: 34 Friends Network Gold Member	Re: memory compatability ? weeelll ... it would seem that it is either the wrong type (re-stamped) and/or both (new) sticks are flakey . time to get yer money back ! the slot combinations for pairs (1/3 & 2/4) is part of what i was getting at earler ... this is why it is important to have the manual/information for the motherboard (either in hand or on line) right in front of you . there usually is a section devoted to just this subject . this is not to say that ALL re-stamps are con jobs or will not work . sometimes a manufacturer will do a part number change for inventory control and to meet the minimum time requirements for replacement parts availability , etc etc . in these instances the re-stamped part meets or exceeds the original part specs . it kind of looks like the parts search is still on for you ... do you have any reputable comp shops / gurus / bone piles in your area ? if possible , i would load up your machine with it's max ram capability ... in your case i believe it is around 3/4 (.75) gig . as i said , XP lllooovesss ram . some machines used part of the ram for the video ... it is called "shared memory" . this means that your available ram is actually lower . your machine specs should indicate if this is the case or that the video has it's own ram .

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