p5ql pro asus working with 3x1gb ddr2 but not possible to use the 4 th ram slot (all 4 slots)

Jan 19, 2017
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#1
hi ,i have p5ql pro mobo ,was working with 3x1 gb ddr2 rams here is the list of them- one is dynet 667mhz cas-5 latency
second ram -kinlstuo cas-5 ,third ram- 800mhz kingston cas-6 ..forgot in what slots they were working..
now i bought a new ram kingston - smaller in size other than above 3 of them... its 800mhz cas-6
i removed the old dynet and somehow i am working with this configuration now-- yellow a1 slot - new ram 800mhz cas-6
yellow b1 slot - empty , balck a2 slot- cas-6 kingston 800mhz , black b2 slot cas-5 kinsltuo 800mhz
when i try to put dynet 667 cas-5 in yellow b1 ,i dont get post,the fans run but nothing on the screen,the monitor doesnt turn on..
i dont overclock anything,everything is in auto now,how can i use all 4 slots,hope some explanations and guides,thanks

but all the ram when single post on with in any slot.

cpu is e5200 ,windows 7 professional 32 bit ,but still want to see my 4 slots filled :)
 
Mar 10, 2004
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#2
Were you running at 800mhz before? Was the 667 stick running at 800mhz?
 
Jan 19, 2017
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#3
no it was always running in 667mhz,i never overclocked,the 667 stick was running at 667 mhz only,thank you for taking concern,i am reallly waiting for a work around to use all 4 sticks,and my other 800mhz stick soon to come
 

tamz_msc

Platinum Member
Jan 5, 2017
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#4
I have faced a similar situation before, where mixing and matching RAM with different speeds and CAS resulted in the last 512 MB unavailable in Windows, showing up as "hardware reserved".

Have you tried manually setting your 800 MHz sticks to 667 MHz CAS 5 and then installing the 667 MHz stick?
 
Jan 19, 2017
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#5
oh ya i tried it ,but not sure what i did wrong...its the same when i put all 4,some times i keep 667 mhz fsb or some other options not sure,i get no monitor signal ..please tell me what settings i should change..in bios,its asus p5ql pro
 
Jan 19, 2017
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#6
i have no idea with the timings and cas ...,please tel me the settings ,i wil try now
 

tamz_msc

Platinum Member
Jan 5, 2017
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#7
You need to note down the timings of the 667 MHz stick and match the CAS and other timings of the 800 MHz stick with it.
 
Jan 19, 2017
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#8
i checked it now
its all running in 667 ,5 5 5 15 36 clocks
 
Jan 19, 2017
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#9
the 667 stick showed 5 5 5 15 20 ,so should i put these values in bios and then insert the 667 and try?
 

tamz_msc

Platinum Member
Jan 5, 2017
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#11
You'll have to go into DRAM Frequency and Timing Control options.
 
Jan 19, 2017
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#12
tell me what values i have to enter,i am little afraid that i will corrupt the bios ..
 
Jan 19, 2017
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#13
cpuz shows 333.3mhz now 3:5 ratio 5 5 5 15 36 values,with 3 rams i am using now without old 667 ramstick
so now what values i should put in dram frequncy and time control...
 
Mar 10, 2004
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#14
Try setting the FSB to 200 and the DRAM to 667 first.
 
Last edited:
Jan 19, 2017
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#15
yes i tried it with these 3 ram sticks without the old 667,it gives me no signal monitor,anyway i will try it again and see ,will post the results now
 
Jan 19, 2017
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#16
Ok I did it with 3 ram sticks , changed the value ,first post boot showed no signal but came back to Windows then I shutdowned and started it again ,now it's working ,should I try the old 667 ram now..
 
Last edited:
Jan 19, 2017
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#18
I tried now,it started and fans stopped and started again but there was no post,monitor didn't turn on,i switched off and started again,this time it started ,fans dint slow down ,no post by the way,ishut down power button and repeaed but it never posted,now what's the next step to do,i am typing ffrom phone now,waiting for your reply
 
Mar 10, 2004
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#19
Swap the 667 stick and one of the 800 sticks around.

It sounds like the 667 and one of 800's don't get along.
 
Jan 19, 2017
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#20
like how...i dont understand..
this configuration now-- yellow a1 slot - new ram 800mhz cas-6
yellow b1 slot - empty , balck a2 slot- cas-6 kingston 800mhz , black b2 slot cas-5 kinsltuo 800mhz
when i try to put dynet 667 cas-5 in yellow b1 ,i dont get post,the fans run but nothing on the screen,the monitor doesnt turn on.. this is the same setup i have now,.. so i will try swapping ...yellow a1 and black a2 ,will tell you now..anything about the timings ? would work if in case ??
 
Jan 19, 2017
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#21
cool it did work now,i tried many until i put the old 667mhz in A1 -- boom,it got post 4GB ,i was so happy to see it,ok now my configuration--
A1 YELLOW - DYNET OLD CAS-5
A2-BLACK KINLSTUO CAS-5
B1- YELLOW KINGSTON CAS-6
B2- BLACK KINGSTON new(short one) CAS-6
anyhow i am using win7 professional 32 bit ,showing 4gb memory 3.5 usable..i am good with it :)satisfied now.
again i would like to know whether i have seen my cas latency of my rams correct.. how to know its correct,thanks for your help
LTC8K6
tamz_msc

thank you so much
 
Last edited:
Jan 19, 2017
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#22
also please tell me ,should i worry about north bridge ,it was hot ,i checked the temp..after shutdown immediately ..its about 41c - 107 F -315.15 k
i have already kept a fan directed on the south bridge,another 92mm fan is on the way
 
Mar 10, 2004
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#23
That doesn't sound too hot for a NB chip.

The DRAM timing numbers are going to vary somewhat.

CPU-Z will give you the numbers for each stick.

I wouldn't be too concerned as long as it's working okay.
 
Jan 19, 2017
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#24
hi,i left the the system in standby and i guess power cut was there,then i started the system ,it posted,went to windows then monitor no signal came,then again i powered it,this time past post windows startup error repair /normally start windows came,as i did windows start normally then at after starting windows no signal error came,then again i started the pc ,this time it went into desktop ,when i started chrome ,again no signal came and came back itself to screen and said graphics driver stopped and return succesfully something like that...now i kept the bios in auto mode ....anything should be changed in bios ?its in auto now
 

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