Problems with DDR memory
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From: baron on 16 Jul 2010 07:08 Colin Trunt Inscribed thus: >>> OK so I ran the new memtest CD, ran OK for 25mins then I popped >>> out of the room for a couple of minutes, when I came back it had a >>> load of errors. >>> The scroll off the screen but the last one sere 791-799 >>> >>> eg >>> >>> test ...pass..fail >>> address............................good................bad..............bits........error >>> no. >>> ..7.......1.....000032458000- 788.3MB ad39ef05 >>> ad88cf05...........00b1000......791 >>> >>> to >>> ...7......1........00031c58000 - 796.3mb..37f773ab7 >>> 37ca3ab7........003d000........799 >>> >>> >>> All the bad bits were in the 3rd and 4th position. >>> >>> >>> Test 7 is 'random digits'. >>> >>> SO I think I will contact the seller of the module >>> >>> >>> I will also have to run memtest on my old 1 gig module just to be >>> double sure. >>> >> >> OK so I ran memtest on mine for 3 passes I think, 54 minutes >> no errors. >> Then Iput the other module in and it also ran the same 3 passes no >> errors. >> All bit confusing, but I never have any errors on my module. >> >> I will run some longer tests. >> Another fail or reboot and I think I wil have to send it back > > > Rebooted after a few hours, went into memtest, errors after 2 minutes. > > That's it it is not going back in my machine again I am returning it. >> This is starting to look like "Bad Caps" syndrome ! I suspect that your problems are not related directly to the memory modules but to the power supply feeding them. -- Best Regards: Baron.
From: Colin Trunt on 16 Jul 2010 12:00 "baron" <baron.nospam(a)linuxmaniac.nospam.net> wrote in message news:i1peg7$jr$1(a)news.eternal-september.org... > Colin Trunt Inscribed thus: > >>>> OK so I ran the new memtest CD, ran OK for 25mins then I popped >>>> out of the room for a couple of minutes, when I came back it had a >>>> load of errors. >>>> The scroll off the screen but the last one sere 791-799 >>>> >>>> eg >>>> >>>> test ...pass..fail >>>> > address............................good................bad..............bits........error >>>> no. >>>> ..7.......1.....000032458000- 788.3MB ad39ef05 >>>> ad88cf05...........00b1000......791 >>>> >>>> to >>>> ...7......1........00031c58000 - 796.3mb..37f773ab7 >>>> 37ca3ab7........003d000........799 >>>> >>>> >>>> All the bad bits were in the 3rd and 4th position. >>>> >>>> >>>> Test 7 is 'random digits'. >>>> >>>> SO I think I will contact the seller of the module >>>> >>>> >>>> I will also have to run memtest on my old 1 gig module just to be >>>> double sure. >>>> >>> >>> OK so I ran memtest on mine for 3 passes I think, 54 minutes >>> no errors. >>> Then Iput the other module in and it also ran the same 3 passes no >>> errors. >>> All bit confusing, but I never have any errors on my module. >>> >>> I will run some longer tests. >>> Another fail or reboot and I think I wil have to send it back >> >> >> Rebooted after a few hours, went into memtest, errors after 2 minutes. >> >> That's it it is not going back in my machine again I am returning it. >>> > > This is starting to look like "Bad Caps" syndrome ! > I suspect that your problems are not related directly to the memory > modules but to the power supply feeding them. > > -- > Best Regards: > Baron. I have just ran my compuer on memtest on my other ram module for 8.5 hours with not errors. I have aslo ran my computer for 10 hours normallly on that ram nodule without probem. I am convinced it is the new ram as no problems occur with the other memory.
From: Baron on 16 Jul 2010 17:10 Colin Trunt Inscribed thus: > > "baron" <baron.nospam(a)linuxmaniac.nospam.net> wrote in message > news:i1peg7$jr$1(a)news.eternal-september.org... >> Colin Trunt Inscribed thus: >> >>>>> OK so I ran the new memtest CD, ran OK for 25mins then I popped >>>>> out of the room for a couple of minutes, when I came back it had a >>>>> load of errors. >>>>> The scroll off the screen but the last one sere 791-799 >>>>> >>>>> eg >>>>> >>>>> test ...pass..fail >>>>> >> address............................good................bad..............bits........error >>>>> no. >>>>> ..7.......1.....000032458000- 788.3MB ad39ef05 >>>>> ad88cf05...........00b1000......791 >>>>> >>>>> to >>>>> ...7......1........00031c58000 - 796.3mb..37f773ab7 >>>>> 37ca3ab7........003d000........799 >>>>> >>>>> >>>>> All the bad bits were in the 3rd and 4th position. >>>>> >>>>> >>>>> Test 7 is 'random digits'. >>>>> >>>>> SO I think I will contact the seller of the module >>>>> >>>>> >>>>> I will also have to run memtest on my old 1 gig module just to be >>>>> double sure. >>>>> >>>> >>>> OK so I ran memtest on mine for 3 passes I think, 54 minutes >>>> no errors. >>>> Then Iput the other module in and it also ran the same 3 passes no >>>> errors. >>>> All bit confusing, but I never have any errors on my module. >>>> >>>> I will run some longer tests. >>>> Another fail or reboot and I think I wil have to send it back >>> >>> >>> Rebooted after a few hours, went into memtest, errors after 2 >>> minutes. >>> >>> That's it it is not going back in my machine again I am returning >>> it. >>>> >> >> This is starting to look like "Bad Caps" syndrome ! >> I suspect that your problems are not related directly to the memory >> modules but to the power supply feeding them. >> >> -- >> Best Regards: >> Baron. > > > I have just ran my compuer on memtest on my other ram module for 8.5 > hours with not errors. > I have aslo ran my computer for 10 hours normallly on that ram nodule > without problem. > > I am convinced it is the new ram as no problems occur with the other > memory. Look at the power requirements of the two modules. -- Best Regards: Baron.
From: Colin Trunt on 16 Jul 2010 18:48
"Baron" <baron.nospam(a)linuxmaniac.nospam.net> wrote in message news:i1qhqv$v06$1(a)news.eternal-september.org... > Colin Trunt Inscribed thus: > >> >> "baron" <baron.nospam(a)linuxmaniac.nospam.net> wrote in message >> news:i1peg7$jr$1(a)news.eternal-september.org... >>> Colin Trunt Inscribed thus: >>> >>>>>> OK so I ran the new memtest CD, ran OK for 25mins then I popped >>>>>> out of the room for a couple of minutes, when I came back it had a >>>>>> load of errors. >>>>>> The scroll off the screen but the last one sere 791-799 >>>>>> >>>>>> eg >>>>>> >>>>>> test ...pass..fail >>>>>> >>> > address............................good................bad..............bits........error >>>>>> no. >>>>>> ..7.......1.....000032458000- 788.3MB ad39ef05 >>>>>> ad88cf05...........00b1000......791 >>>>>> >>>>>> to >>>>>> ...7......1........00031c58000 - 796.3mb..37f773ab7 >>>>>> 37ca3ab7........003d000........799 >>>>>> >>>>>> >>>>>> All the bad bits were in the 3rd and 4th position. >>>>>> >>>>>> >>>>>> Test 7 is 'random digits'. >>>>>> >>>>>> SO I think I will contact the seller of the module >>>>>> >>>>>> >>>>>> I will also have to run memtest on my old 1 gig module just to be >>>>>> double sure. >>>>>> >>>>> >>>>> OK so I ran memtest on mine for 3 passes I think, 54 minutes >>>>> no errors. >>>>> Then Iput the other module in and it also ran the same 3 passes no >>>>> errors. >>>>> All bit confusing, but I never have any errors on my module. >>>>> >>>>> I will run some longer tests. >>>>> Another fail or reboot and I think I wil have to send it back >>>> >>>> >>>> Rebooted after a few hours, went into memtest, errors after 2 >>>> minutes. >>>> >>>> That's it it is not going back in my machine again I am returning >>>> it. >>>>> >>> >>> This is starting to look like "Bad Caps" syndrome ! >>> I suspect that your problems are not related directly to the memory >>> modules but to the power supply feeding them. >>> >>> -- >>> Best Regards: >>> Baron. >> >> >> I have just ran my compuer on memtest on my other ram module for 8.5 >> hours with not errors. >> I have aslo ran my computer for 10 hours normallly on that ram nodule >> without problem. >> >> I am convinced it is the new ram as no problems occur with the other >> memory. > > Look at the power requirements of the two modules. Why, almost all reboot have occured when the machine was idle. Never had one when the fan was roaring. Always when it was peaceful and the power usage would be minimun. Both are 2.5v Meets the industry standard JEDEC Specifications > > -- > Best Regards: > Baron. |