CMOS Timer Error with old laptop : DECpc 425 SLC
in [Laptops]
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From: beltrixx on 2 May 2010 14:23 On 2 mayo, 18:27, Barry Watzman <WatzmanNOS...(a)neo.rr.com> wrote: > Why do you assume that this is a rechargeable battery? Most of these > are one-time lithium batteries that are supposed to last 6 to 10 years > in that application. Are you certain that it's not a 2032 instead of a > 3032? > > [For these batteries, the first number is the diameter in mm (2032 = > 20mm across), the second number is the thickness in TENTHS of > millimeters (so either 2032 or 3032 is a 3.2mm thick battery). I'm not > aware that there is a 3032; 2032's are very common. The question is, is > it socketed or soldered with spot welded tabs?] > > > > beltrixx wrote: > > > Thank you Barry, > > > I had noticed another battery, a VL3032 Rechargeable Lithium, but I > > though it had nothing to do with the power-up error. I'll follow your > > advice and try to buy a replacement one. > > > I'll let you know if finally I get this old marvel working. > > > Thank you very much.- Ocultar texto de la cita - > > - Mostrar texto de la cita - Hi, Yes I'm certain that it is a VL3032 one. Googling for "VL3032" I have found references to Lithium-Vanadium rechargeable batteries but I don't know for sure if the one in my laptop is rechargeable or not. The problem is that the laptop is rather old (17 years) so it is almost impossible to find technical docs or info regarding such a specific issue like this and I don't know if this battery can be replaced by a standard CR2032. Please, have a look at these pics of the battery : http://sites.google.com/site/beltrixx/images_blog/decpc425slc/VL3032-Detail..jpg http://sites.google.com/site/beltrixx/images_blog/decpc425slc/VL3032-Overview.jpg Do you think it can be replaced by a standard CR2032 or CR3032? Regards, Manel (beltrixx)
From: Barry Watzman on 2 May 2010 15:26 Well, the nice thing about this is that you have wire leads to a plug, so you can cut off those leads and deal with the replacement in whatever manner works best. You don't need an exact mechanical replacement. what are the dimensions of the BATTERY (I'd cut off the shrink wrap to measure this as accurately as possible). Normally, the 3032 number would suggest 30mm x 3.2 mm. The next issue is, is this a "one-time" battery or a rechargeable? Another reason to cut off the shrinkwrap is to see if there are any numbers on the battery itself. BIG DANGER HERE: If you replace a rechargeable with a one-time, it may explode when the laptop tries to charge it. Cut off the wires, insert the plug into the socket, and see if there is any voltage coming out of the ends of the wires (that would go into the battery). Several sources suggest that it IS a rechargeable battery: http://www.alliedelec.com/search/productdetail.aspx?SKU=8840030 beltrixx wrote: > > Hi, > > Yes I'm certain that it is a VL3032 one. Googling for "VL3032" I have > found references to Lithium-Vanadium rechargeable batteries but I > don't know for sure if the one in my laptop is rechargeable or not. > > The problem is that the laptop is rather old (17 years) so it is > almost impossible to find technical docs or info regarding such a > specific issue like this and I don't know if this battery can be > replaced by a standard CR2032. > > Please, have a look at these pics of the battery : > > http://sites.google.com/site/beltrixx/images_blog/decpc425slc/VL3032-Detail.jpg > http://sites.google.com/site/beltrixx/images_blog/decpc425slc/VL3032-Overview.jpg > > Do you think it can be replaced by a standard CR2032 or CR3032? > > Regards, > > Manel (beltrixx)
From: beltrixx on 2 May 2010 15:56 On 2 mayo, 21:26, Barry Watzman <WatzmanNOS...(a)neo.rr.com> wrote: > Well, the nice thing about this is that you have wire leads to a plug, > so you can cut off those leads and deal with the replacement in whatever > manner works best. You don't need an exact mechanical replacement. > > what are the dimensions of the BATTERY (I'd cut off the shrink wrap to > measure this as accurately as possible). Normally, the 3032 number > would suggest 30mm x 3.2 mm. > > The next issue is, is this a "one-time" battery or a rechargeable? > Another reason to cut off the shrinkwrap is to see if there are any > numbers on the battery itself. > > BIG DANGER HERE: If you replace a rechargeable with a one-time, it may > explode when the laptop tries to charge it. > > Cut off the wires, insert the plug into the socket, and see if there is > any voltage coming out of the ends of the wires (that would go into the > battery). > > Several sources suggest that it IS a rechargeable battery: > > http://www.alliedelec.com/search/productdetail.aspx?SKU=8840030 > > > > beltrixx wrote: > > > Hi, > > > Yes I'm certain that it is a VL3032 one. Googling for "VL3032" I have > > found references to Lithium-Vanadium rechargeable batteries but I > > don't know for sure if the one in my laptop is rechargeable or not. > > > The problem is that the laptop is rather old (17 years) so it is > > almost impossible to find technical docs or info regarding such a > > specific issue like this and I don't know if this battery can be > > replaced by a standard CR2032. > > > Please, have a look at these pics of the battery : > > >http://sites.google.com/site/beltrixx/images_blog/decpc425slc/VL3032-... > >http://sites.google.com/site/beltrixx/images_blog/decpc425slc/VL3032-... > > > Do you think it can be replaced by a standard CR2032 or CR3032? > > > Regards, > > > Manel (beltrixx)- Ocultar texto de la cita - > > - Mostrar texto de la cita - Good advice! I'll cut off the wires and will use a multimeter to measure the voltage between them. It seems the best way not to make a mistake buying the wrong battery type. Thanks a lot, Manel (beltrixx)
From: beltrixx on 3 May 2010 14:09 On 2 mayo, 21:26, Barry Watzman <WatzmanNOS...(a)neo.rr.com> wrote: > Well, the nice thing about this is that you have wire leads to a plug, > so you can cut off those leads and deal with the replacement in whatever > manner works best. You don't need an exact mechanical replacement. > > what are the dimensions of the BATTERY (I'd cut off the shrink wrap to > measure this as accurately as possible). Normally, the 3032 number > would suggest 30mm x 3.2 mm. > > The next issue is, is this a "one-time" battery or a rechargeable? > Another reason to cut off the shrinkwrap is to see if there are any > numbers on the battery itself. > > BIG DANGER HERE: If you replace a rechargeable with a one-time, it may > explode when the laptop tries to charge it. > > Cut off the wires, insert the plug into the socket, and see if there is > any voltage coming out of the ends of the wires (that would go into the > battery). > > Several sources suggest that it IS a rechargeable battery: > > http://www.alliedelec.com/search/productdetail.aspx?SKU=8840030 > > > > beltrixx wrote: > > > Hi, > > > Yes I'm certain that it is a VL3032 one. Googling for "VL3032" I have > > found references to Lithium-Vanadium rechargeable batteries but I > > don't know for sure if the one in my laptop is rechargeable or not. > > > The problem is that the laptop is rather old (17 years) so it is > > almost impossible to find technical docs or info regarding such a > > specific issue like this and I don't know if this battery can be > > replaced by a standard CR2032. > > > Please, have a look at these pics of the battery : > > >http://sites.google.com/site/beltrixx/images_blog/decpc425slc/VL3032-... > >http://sites.google.com/site/beltrixx/images_blog/decpc425slc/VL3032-... > > > Do you think it can be replaced by a standard CR2032 or CR3032? > > > Regards, > > > Manel (beltrixx)- Ocultar texto de la cita - > > - Mostrar texto de la cita - Hi, I've checked that the voltage between the wires (without the battery) is about 3V so the battery must be rechargeable. Also, every time I placed the tester tips on the wires a reset happened. Is that normal? I'll look for an appropiate battery and try to leave the laptop charging an entire day once I have installed it, if nothing else is damaged it should work perfectly. regards, Beltrixx.
From: beltrixx on 4 May 2010 02:00 On May 3, 8:09 pm, beltrixx <beltr...(a)gmail.com> wrote: > On 2 mayo, 21:26, Barry Watzman <WatzmanNOS...(a)neo.rr.com> wrote: > > > > > > > Well, the nice thing about this is that you have wire leads to a plug, > > so you can cut off those leads and deal with the replacement in whatever > > manner works best. You don't need an exact mechanical replacement. > > > what are the dimensions of the BATTERY (I'd cut off the shrink wrap to > > measure this as accurately as possible). Normally, the 3032 number > > would suggest 30mm x 3.2 mm. > > > The next issue is, is this a "one-time" battery or a rechargeable? > > Another reason to cut off the shrinkwrap is to see if there are any > > numbers on the battery itself. > > > BIG DANGER HERE: If you replace a rechargeable with a one-time, it may > > explode when the laptop tries to charge it. > > > Cut off the wires, insert the plug into the socket, and see if there is > > any voltage coming out of the ends of the wires (that would go into the > > battery). > > > Several sources suggest that it IS a rechargeable battery: > > >http://www.alliedelec.com/search/productdetail.aspx?SKU=8840030 > > > beltrixx wrote: > > > > Hi, > > > > Yes I'm certain that it is a VL3032 one. Googling for "VL3032" I have > > > found references to Lithium-Vanadium rechargeable batteries but I > > > don't know for sure if the one in my laptop is rechargeable or not. > > > > The problem is that the laptop is rather old (17 years) so it is > > > almost impossible to find technical docs or info regarding such a > > > specific issue like this and I don't know if this battery can be > > > replaced by a standard CR2032. > > > > Please, have a look at these pics of the battery : > > > >http://sites.google.com/site/beltrixx/images_blog/decpc425slc/VL3032-.... > > >http://sites.google.com/site/beltrixx/images_blog/decpc425slc/VL3032-.... > > > > Do you think it can be replaced by a standard CR2032 or CR3032? > > > > Regards, > > > > Manel (beltrixx)- Ocultar texto de la cita - > > > - Mostrar texto de la cita - > > Hi, > > I've checked that the voltage between the wires (without the battery) > is about 3V so the battery must be rechargeable. Also, every time I > placed the tester tips on the wires a reset happened. Is that normal? > > I'll look for an appropiate battery and try to leave the laptop > charging an entire day once I have installed it, if nothing else is > damaged it should work perfectly. > > regards, > > Beltrixx.- Hide quoted text - > > - Show quoted text - I'm starting to think the problem has nothing to do with the batteries. I tested the voltage of the Lithium VL3032 battery and it was about 2V (the battery holds a charge and seems able to be charged); I also left the computer without any battery and the error displayed was the same. The laptop was unable to power on and I thought it was a problem related to the resume function but maybe the problem is related to the motherboard. Neither the power button nor the sleep button (the one that is clicked by the screen when you close it) work, so to start the laptop, I must click the reset hole and after a few seconds is when the CMOS Timer Error displays. This can be a clue for some motherboard related error, isn't it? I'll put back all the batteries but there's little more I can do with my hardware knowledge ... Anyway, thanks everybody for helping me with this old computer. Kind Regards, Manel (beltrixx).
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