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#16
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to clear CMOS
"SC Tom" wrote in message... On my Asus board, the battery MUST be removed (as the manual states) in order to clear it. If I only move the jumper, not all settings are reset. I found this out for a fact less than 2 weeks ago when a BIOS flash went bad. SC Tom "SC Tom" wrote in message... Mine's the M2NPV-VM and it clearly states on page 1-20, step 2 to "Remove the onboard battery." If you'd like to see for yourself, go he http://dlsvr.asus.com/pub/ASUS/mb/so...7_m2npv-vm.pdf SC Tom "Mike Hall - MVP" wrote in message... I don't doubt that it does. Looks like Asus can't make up their minds. :-) -- Mike Hall - MVP Windows Experience http://msmvps.com/blogs/mikehall/ "SC Tom" wrote in message... My guess is that on the newer boards, the jumper bypasses the battery completely (or more so than on the older boards) making it unnecessary to pull the battery. Engineering, you know- "If it ain't broke, redesign it!" I was looking at the board you have as an upgrade, but it only has one EIDE channel, and unfortunately, I still have 3 EIDE devices that I'm not ready to part with. I really don't NEED to upgrade (my AMD 64x2 Dual 4800+ is plenty fast), but every once in a while I get that need for speed. Not having a larger income kinda curbs that feeling, but it's still there :-) SC Tom Gentlemen: I've worked with a considerable number of makes/models of motherboards over the years and I really can't recall a single instance where it was necessary to remove the CMOS battery in order to reset the CMOS-BIOS settings to their factory defaults when the motherboard was equipped with a CMOS jumper. In every case that I've experienced it was only necessary to short the jumper to reset the CMOS-BIOS values. As I'm sure you both know, many motherboards (particularly early types) were not equipped with a CMOS jumper so obviously the only way to carry out the preceding was to remove the CMOS battery for some seconds and then replace it. I understand SC Tom's reference to that ASUS MB instruction indicating the need for also removing the CMOS battery in addition to shorting the CMOS jumper. All I can tell you is that it isn't the first time (and I'm confident it won't be the last time!) that a motherboard's User Manual (let alone technical advice from the manuf. itself!) provided misleading or outright incorrect info re their products & their use. Although I have to quickly add that our advice to users is virtually *always* follow the instruction(s) in the motherboard's User Manual/Guide. Anyway, having said all this and notwithstanding my own experience re this CMOS battery issue, I learned a long time ago that when it comes to PCs, *anything* is possible. So SC Tom...assuming you haven't already done so, have you tested to determine whether simply shorting the CMOS jumper without removing the CMOS battery will reset the time/date info & BIOS configurations? Incidentally, re your refererence to the fact that your motherboard has only a single IDE channel... Are you aware that some of the newer (usually the higher-end ones) motherboards are now coming through without *any* IDE channels? And more & more motherboards - are equipped with only a single IDE channel. As the youngsters say, "SATA rules". Anna |
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#17
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to clear CMOS
Replies embedded towards the end. . .
"Anna" wrote in message ... "SC Tom" wrote in message... On my Asus board, the battery MUST be removed (as the manual states) in order to clear it. If I only move the jumper, not all settings are reset. I found this out for a fact less than 2 weeks ago when a BIOS flash went bad. SC Tom "SC Tom" wrote in message... Mine's the M2NPV-VM and it clearly states on page 1-20, step 2 to "Remove the onboard battery." If you'd like to see for yourself, go he http://dlsvr.asus.com/pub/ASUS/mb/so...7_m2npv-vm.pdf SC Tom "Mike Hall - MVP" wrote in message... I don't doubt that it does. Looks like Asus can't make up their minds. :-) -- Mike Hall - MVP Windows Experience http://msmvps.com/blogs/mikehall/ "SC Tom" wrote in message... My guess is that on the newer boards, the jumper bypasses the battery completely (or more so than on the older boards) making it unnecessary to pull the battery. Engineering, you know- "If it ain't broke, redesign it!" I was looking at the board you have as an upgrade, but it only has one EIDE channel, and unfortunately, I still have 3 EIDE devices that I'm not ready to part with. I really don't NEED to upgrade (my AMD 64x2 Dual 4800+ is plenty fast), but every once in a while I get that need for speed. Not having a larger income kinda curbs that feeling, but it's still there :-) SC Tom Gentlemen: I've worked with a considerable number of makes/models of motherboards over the years and I really can't recall a single instance where it was necessary to remove the CMOS battery in order to reset the CMOS-BIOS settings to their factory defaults when the motherboard was equipped with a CMOS jumper. In every case that I've experienced it was only necessary to short the jumper to reset the CMOS-BIOS values. As I'm sure you both know, many motherboards (particularly early types) were not equipped with a CMOS jumper so obviously the only way to carry out the preceding was to remove the CMOS battery for some seconds and then replace it. I understand SC Tom's reference to that ASUS MB instruction indicating the need for also removing the CMOS battery in addition to shorting the CMOS jumper. All I can tell you is that it isn't the first time (and I'm confident it won't be the last time!) that a motherboard's User Manual (let alone technical advice from the manuf. itself!) provided misleading or outright incorrect info re their products & their use. Although I have to quickly add that our advice to users is virtually *always* follow the instruction(s) in the motherboard's User Manual/Guide. Anyway, having said all this and notwithstanding my own experience re this CMOS battery issue, I learned a long time ago that when it comes to PCs, *anything* is possible. So SC Tom...assuming you haven't already done so, have you tested to determine whether simply shorting the CMOS jumper without removing the CMOS battery will reset the time/date info & BIOS configurations? As I replied to Mike, yes, I did try just using the jumper to clear the BIOS and some settings were not reset. To list a few settings that were not reset to BIOS default we Boot order Onboard NIC not re-enabled Onboard sound not enabled Parallel port not enabled Ability to boot- not enabled. Granted, part of this might have been caused by the bad flash, but after removing the battery, then changing the jumper, changing it back, and reinstalling the battery, all was well and the settings were back to factory default. Having worked on and with computer hardware since the mid-60's when I was in the Air Force, I realize that most manuals add things that aren't necessary, leave out things that are necessary, or are blatantly incorrect. And it is most certainly not relegated only to the electronics field. Try a shop manual for any vehicle sometime. It's easy to get hurt if you take them as gospel. Incidentally, re your refererence to the fact that your motherboard has only a single IDE channel... Are you aware that some of the newer (usually the higher-end ones) motherboards are now coming through without *any* IDE channels? And more & more motherboards - are equipped with only a single IDE channel. As the youngsters say, "SATA rules". Anna Yes, I realize there are lots of SATA-only MB. I just mentioned the one that Mike used because it was one of my choices if I did decide to upgrade. All things considered, I decided to stay with the one I have since it performs well enough for me (so far ;-) ). BTW, mine has 2 EIDE and 4 SATA channels. SC Tom |
#18
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to clear CMOS
On Thu, 30 Apr 2009 21:42:01 -0700, ML
wrote: I understand that I need to unplug the computer first when moving the jumper from the original pin position to pins 2,3. Now that the jumper is in the 'clear CMOS' pins, for how long should I power up the computer before shutting down to replace the jumper to its original position? The manual didn't state this clearly. Thank you. Why ask here? This has nothing to do with WinXP. |
#19
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to clear CMOS
"Having worked on and with computer hardware since the mid-60's when I was
in the Air Force, I realize that most manuals add things that aren't necessary, (Etc.) I still remember one joint service communication device from my Navy (Vietnam Era) days. Seems that the manual had deliberate errors, which were intended to disable the device if an unqualified person attempted to troubleshoot or repair the device. A somewhat mildly interesting story or two were related to this equipment. I had a motorcycle that I had stored in an out of the way storage area that contained copies of manuals for equipment that I repaired. We were in Vietnam, and a device failed, dud to a bad circuit board with no onboard spare. I could only take the board to a nearby repair facility for exchange if I had my own transportation--no hitch hiking allowed, and no walking or bus ride either. Since the ship was too small to carry it's own jeep or small truck, there was an impasse. I mentioned to the Captain that there was a possible solution if he allowed me to provide transportation, and afterwards restore everything to "as it was". (He didn't know that I had a motorcycle hidden away) Next scene- I'm going down a road on the motorcycle, in Vietnam, in dungarees, with a navy issue revolver in a shoulder holster. The motorcycle had Japanese Plates. The MP's at an intersection were somewhat upset, since US military stationed in the area were not allowed to have motorcycles. When I told them where I was going, and in general terms what I was carrying, problems went away. Another tale had to do with the Pueblo's capture. We had to ship the device to a US location and have it modified. The comm officer, myself and two radiomen obtained a closed truck from a navy motorpool to carry the device to a "secure" shipping point. When we arrived at a navy base gate, the guards asked for paperwork showing where we were going. (We had the authorization papers to use the truck, but our destination and route were left open by intent.) One gate guard decided that he was going to open the door on the rear of the truck to see what we had inside. What was inside was the equipment, double packed in a crate. One of the radiomen was sitting on top of it. He had been told that if someone attempted to open the door without us telling him it was OK, He might have to actually use the Thompson that he had been given. Gate guard opens door, and is met with the radioman cocking the machine gun, as he points it at the guard's face. (OOPS!) "SC Tom" wrote in message ... Replies embedded towards the end. . . "Anna" wrote in message ... "SC Tom" wrote in message... On my Asus board, the battery MUST be removed (as the manual states) in order to clear it. If I only move the jumper, not all settings are reset. I found this out for a fact less than 2 weeks ago when a BIOS flash went bad. SC Tom "SC Tom" wrote in message... Mine's the M2NPV-VM and it clearly states on page 1-20, step 2 to "Remove the onboard battery." If you'd like to see for yourself, go he http://dlsvr.asus.com/pub/ASUS/mb/so...7_m2npv-vm.pdf SC Tom "Mike Hall - MVP" wrote in message... I don't doubt that it does. Looks like Asus can't make up their minds. :-) -- Mike Hall - MVP Windows Experience http://msmvps.com/blogs/mikehall/ "SC Tom" wrote in message... My guess is that on the newer boards, the jumper bypasses the battery completely (or more so than on the older boards) making it unnecessary to pull the battery. Engineering, you know- "If it ain't broke, redesign it!" I was looking at the board you have as an upgrade, but it only has one EIDE channel, and unfortunately, I still have 3 EIDE devices that I'm not ready to part with. I really don't NEED to upgrade (my AMD 64x2 Dual 4800+ is plenty fast), but every once in a while I get that need for speed. Not having a larger income kinda curbs that feeling, but it's still there :-) SC Tom Gentlemen: I've worked with a considerable number of makes/models of motherboards over the years and I really can't recall a single instance where it was necessary to remove the CMOS battery in order to reset the CMOS-BIOS settings to their factory defaults when the motherboard was equipped with a CMOS jumper. In every case that I've experienced it was only necessary to short the jumper to reset the CMOS-BIOS values. As I'm sure you both know, many motherboards (particularly early types) were not equipped with a CMOS jumper so obviously the only way to carry out the preceding was to remove the CMOS battery for some seconds and then replace it. I understand SC Tom's reference to that ASUS MB instruction indicating the need for also removing the CMOS battery in addition to shorting the CMOS jumper. All I can tell you is that it isn't the first time (and I'm confident it won't be the last time!) that a motherboard's User Manual (let alone technical advice from the manuf. itself!) provided misleading or outright incorrect info re their products & their use. Although I have to quickly add that our advice to users is virtually *always* follow the instruction(s) in the motherboard's User Manual/Guide. Anyway, having said all this and notwithstanding my own experience re this CMOS battery issue, I learned a long time ago that when it comes to PCs, *anything* is possible. So SC Tom...assuming you haven't already done so, have you tested to determine whether simply shorting the CMOS jumper without removing the CMOS battery will reset the time/date info & BIOS configurations? As I replied to Mike, yes, I did try just using the jumper to clear the BIOS and some settings were not reset. To list a few settings that were not reset to BIOS default we Boot order Onboard NIC not re-enabled Onboard sound not enabled Parallel port not enabled Ability to boot- not enabled. Granted, part of this might have been caused by the bad flash, but after removing the battery, then changing the jumper, changing it back, and reinstalling the battery, all was well and the settings were back to factory default. Having worked on and with computer hardware since the mid-60's when I was in the Air Force, I realize that most manuals add things that aren't necessary, leave out things that are necessary, or are blatantly incorrect. And it is most certainly not relegated only to the electronics field. Try a shop manual for any vehicle sometime. It's easy to get hurt if you take them as gospel. Incidentally, re your refererence to the fact that your motherboard has only a single IDE channel... Are you aware that some of the newer (usually the higher-end ones) motherboards are now coming through without *any* IDE channels? And more & more motherboards - are equipped with only a single IDE channel. As the youngsters say, "SATA rules". Anna Yes, I realize there are lots of SATA-only MB. I just mentioned the one that Mike used because it was one of my choices if I did decide to upgrade. All things considered, I decided to stay with the one I have since it performs well enough for me (so far ;-) ). BTW, mine has 2 EIDE and 4 SATA channels. SC Tom |
#20
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to clear CMOS
"SC Tom" wrote in message
... "Mike Hall - MVP" wrote in message ... "ML" wrote in message ... I understand that I need to unplug the computer first when moving the jumper from the original pin position to pins 2,3. Now that the jumper is in the 'clear CMOS' pins, for how long should I power up the computer before shutting down to replace the jumper to its original position? The manual didn't state this clearly. Thank you. With the machine powered OFF, move the CMOS jumper to pins 2 and 3.. Now move the jumper back to pins 1 and 2. Power up the machine, and go into BIOS to reset the date and time, and any other settings which you personally prefer. There is no need to remove the battery, or wait more than the time it takes to move the jumper.. -- Mike Hall - MVP Windows Experience http://msmvps.com/blogs/mikehall/ On my Asus board, the battery MUST be removed (as the manual states) in order to clear it. If I only move the jumper, not all settings are reset. I found this out for a fact less than 2 weeks ago when a BIOS flash went bad. SC Tom I hear where you're coming from, and have seen it myself. After some thought on the subject I can see how circuitry could be designed where the battery in place could have kept the cmos memory powered when the CLR CMOS jumper is utilized. And, the reverse scenario as well by removing the cmos battery and not using the CLR CMOS jumper. Hence, one would have to use both. So, I tend to agree with you. To top it off, its not a big deal to remove the cmos battery AND use the CLR CMOS jumper as well. Surely, no harm is done regardless. So, I don't understand the subsequent negative responses being needed at all. Keep sending your experiences as that what a newsgroup is for, sharing information. As for what data may be held after using the CLR CMOS jumper is utilized and then placed in normal position, the data the previous bios assessed for hardware in a botched up sort of way. The newer flashed bios may be addressing different cmos addresses for that same data, it will only see garbage and can go no further. That is in the case where the cmos battery not removed has an effect on the cmos portion for that data. My 2 cents. -- Dave |
#21
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to clear CMOS
"Mr. Smith" wrote in message ... On Thu, 30 Apr 2009 21:42:01 -0700, ML wrote: I understand that I need to unplug the computer first when moving the jumper from the original pin position to pins 2,3. Now that the jumper is in the 'clear CMOS' pins, for how long should I power up the computer before shutting down to replace the jumper to its original position? The manual didn't state this clearly. Thank you. Why ask here? This has nothing to do with WinXP. Ignore the resident ****wit. Your question is welcom as the responses should indicate. "Mr Smith" is a mentally retarded school child who has delusions that he is some sort of self appointed newsgroup moderator who can decide what you can post and what you can't. He isn't. |
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