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#1
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Asus Sabertooth-X79 Ram issue
I have built a new system using the Asus Sabertooth X79
motherboard and got a 16Gig of Corsair Dominator GT DDR3 2133 ram to use in the sytem. When got the system ready to power up and explored my Bios I found in the Tool menu that my D1 slot was Abnormal instead of OK like the other 3 sticks. When I installed my Windows 7 64-Bit, I found in System Properties that I only had 12 Gig of total Physical memory installed instead of the 15 Gig of my set. As a test I swapped sticks D1 and C1 and posted it again into the Bios and the same D1 slot was still Abnormal so the ram was good and the D1 slot was bad on the motherboad. Is it possible to populate the ram insead into the A2, B2, C2, and D2 to avoid the bad D1 slot, the ram would be recognised by the Bios and all show up. The motherboard manual shows those slots are used for going to all 8 slots populated instead of just using 4 sticks. Would I damage the board further by mounting the ram in number 2 slots? I hate to have to RMA the motherboad over one bad slot; I have Corsair HD80 closed watercooling set up and it would be a major hassle to rip everythiing including my processor out and kill my sysem until get a replacement motherboard. |
#2
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Asus Sabertooth-X79 Ram issue
Cyborg-HAF wrote:
I have built a new system using the Asus Sabertooth X79 motherboard and got a 16Gig of Corsair Dominator GT DDR3 2133 ram to use in the sytem. When got the system ready to power up and explored my Bios I found in the Tool menu that my D1 slot was Abnormal instead of OK like the other 3 sticks. When I installed my Windows 7 64-Bit, I found in System Properties that I only had 12 Gig of total Physical memory installed instead of the 15 Gig of my set. As a test I swapped sticks D1 and C1 and posted it again into the Bios and the same D1 slot was still Abnormal so the ram was good and the D1 slot was bad on the motherboad. Is it possible to populate the ram insead into the A2, B2, C2, and D2 to avoid the bad D1 slot, the ram would be recognised by the Bios and all show up. The motherboard manual shows those slots are used for going to all 8 slots populated instead of just using 4 sticks. Would I damage the board further by mounting the ram in number 2 slots? I hate to have to RMA the motherboad over one bad slot; I have Corsair HD80 closed watercooling set up and it would be a major hassle to rip everythiing including my processor out and kill my sysem until get a replacement motherboard. If a memory configuration is not supported, the BIOS will beep an error code. Electrically, I don't see a reason for damage to occur. The quad channel architecture, is like four separate memory buses, with two DIMMs per bus. Like this. --- D1 --- D2 I can't find any rationale for the manual to be filling A1-B1-C1-D1 versus A2-B2-C2-D2. There is a chipset feature, used on server boards or business laptops, which lets the IT department reset crashed computers remotely. That uses a microcontroller in the chipset. And that microcontroller "steals" a small amount of memory from system memory, in order to run its firmware load. In such a case, the microcontroller does not have the same flexibility as the main CPU, and may require a particular DIMM slot to be filled first. I cannot find any reference to this in the documentation for this system (X79/LGA2011). http://en.wikipedia.org/wiki/Intel_A...ent_Technology (AMT) http://en.wikipedia.org/wiki/VPro Paul |
#3
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Asus Sabertooth-X79 Ram issue
On Sat, 27 Oct 2012 08:35:55 -0400, Paul wrote:
Cyborg-HAF wrote: I have built a new system using the Asus Sabertooth X79 motherboard and got a 16Gig of Corsair Dominator GT DDR3 2133 ram to use in the sytem. When got the system ready to power up and explored my Bios I found in the Tool menu that my D1 slot was Abnormal instead of OK like the other 3 sticks. When I installed my Windows 7 64-Bit, I found in System Properties that I only had 12 Gig of total Physical memory installed instead of the 15 Gig of my set. As a test I swapped sticks D1 and C1 and posted it again into the Bios and the same D1 slot was still Abnormal so the ram was good and the D1 slot was bad on the motherboad. Is it possible to populate the ram insead into the A2, B2, C2, and D2 to avoid the bad D1 slot, the ram would be recognised by the Bios and all show up. The motherboard manual shows those slots are used for going to all 8 slots populated instead of just using 4 sticks. Would I damage the board further by mounting the ram in number 2 slots? I hate to have to RMA the motherboad over one bad slot; I have Corsair HD80 closed watercooling set up and it would be a major hassle to rip everythiing including my processor out and kill my sysem until get a replacement motherboard. If a memory configuration is not supported, the BIOS will beep an error code. Electrically, I don't see a reason for damage to occur. The quad channel architecture, is like four separate memory buses, with two DIMMs per bus. Like this. --- D1 --- D2 I can't find any rationale for the manual to be filling A1-B1-C1-D1 versus A2-B2-C2-D2. There is a chipset feature, used on server boards or business laptops, which lets the IT department reset crashed computers remotely. That uses a microcontroller in the chipset. And that microcontroller "steals" a small amount of memory from system memory, in order to run its firmware load. In such a case, the microcontroller does not have the same flexibility as the main CPU, and may require a particular DIMM slot to be filled first. I cannot find any reference to this in the documentation for this system (X79/LGA2011). http://en.wikipedia.org/wiki/Intel_A...ent_Technology (AMT) http://en.wikipedia.org/wiki/VPro Paul I moved my four Dimms to the A2, B2,C2, and D2 channels, but just got Beep codes and no post. I had to move the ram back to the #1 channels to get the system to post, and back to the D1 channel Abnormal and loss of 4 Gig of ram. I have to remove my radiator each time I move ram, so it was a real pain. I guess need to RMA the motherboard, which will be nightmare ripping all my cooling hardware and processor, ram, fan cables, power cables, etc. I guess I have to RMA throungh NewEgg rather than try to do this through Asus. Herb |
#4
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Asus Sabertooth-X79 Ram issue
Cyborg-HAF wrote:
On Sat, 27 Oct 2012 08:35:55 -0400, Paul wrote: Cyborg-HAF wrote: I have built a new system using the Asus Sabertooth X79 motherboard and got a 16Gig of Corsair Dominator GT DDR3 2133 ram to use in the sytem. When got the system ready to power up and explored my Bios I found in the Tool menu that my D1 slot was Abnormal instead of OK like the other 3 sticks. When I installed my Windows 7 64-Bit, I found in System Properties that I only had 12 Gig of total Physical memory installed instead of the 15 Gig of my set. As a test I swapped sticks D1 and C1 and posted it again into the Bios and the same D1 slot was still Abnormal so the ram was good and the D1 slot was bad on the motherboad. Is it possible to populate the ram insead into the A2, B2, C2, and D2 to avoid the bad D1 slot, the ram would be recognised by the Bios and all show up. The motherboard manual shows those slots are used for going to all 8 slots populated instead of just using 4 sticks. Would I damage the board further by mounting the ram in number 2 slots? I hate to have to RMA the motherboad over one bad slot; I have Corsair HD80 closed watercooling set up and it would be a major hassle to rip everythiing including my processor out and kill my sysem until get a replacement motherboard. If a memory configuration is not supported, the BIOS will beep an error code. Electrically, I don't see a reason for damage to occur. The quad channel architecture, is like four separate memory buses, with two DIMMs per bus. Like this. --- D1 --- D2 I can't find any rationale for the manual to be filling A1-B1-C1-D1 versus A2-B2-C2-D2. There is a chipset feature, used on server boards or business laptops, which lets the IT department reset crashed computers remotely. That uses a microcontroller in the chipset. And that microcontroller "steals" a small amount of memory from system memory, in order to run its firmware load. In such a case, the microcontroller does not have the same flexibility as the main CPU, and may require a particular DIMM slot to be filled first. I cannot find any reference to this in the documentation for this system (X79/LGA2011). http://en.wikipedia.org/wiki/Intel_A...ent_Technology (AMT) http://en.wikipedia.org/wiki/VPro Paul I moved my four Dimms to the A2, B2,C2, and D2 channels, but just got Beep codes and no post. I had to move the ram back to the #1 channels to get the system to post, and back to the D1 channel Abnormal and loss of 4 Gig of ram. I have to remove my radiator each time I move ram, so it was a real pain. I guess need to RMA the motherboard, which will be nightmare ripping all my cooling hardware and processor, ram, fan cables, power cables, etc. I guess I have to RMA throungh NewEgg rather than try to do this through Asus. Herb Thanks for the feedback on the #2 RAM slots. I can see a few reports, with Asus LGA2011 motherboards, with a particular slot not working. But at this point, haven't seen a thread where the situation improved. One person had working RAM the first time, and on subsequent days had some of the RAM disappear. So whatever connection problem existed for that person, it didn't happen the first time. It's possible there is a BIOS component to this problem. There was a similar problem with LGA1366 triple channel RAM. In terms of the land grid array processors, when they've been inserted once, you can pull the processor and examine the gold pads on the processor. You should see a "dot" in the center of each gold pad, caused by the land grid "spring" biting into the gold. If you examine the bottom of the processor, and you see a quadrant of the processor with very light or non-existent bite marks, that would imply a problem with the socket. There have been differences in the past, in the quality of socket designs. Some Foxconn brand sockets had problems with making contact. The Lopes brand sockets were supposed to be better. But that was some time ago, and with one of the lower pin count sockets. I haven't seen any web site articles about socket problems with LGA2011 generation. A couple of users are finding a single bent pin in their socket area, but they weren't sure whether it was there when the board was delivered or not. So the searches I've done so far, haven't identified a "smoking gun" for missing RAM. I don't know what to suggest next for you, except to suggest it isn't actually a RAM problem, but something else. The RAM sticks are probably fine, and it's something else about the DIMM slots themselves, the LGA2011 socket versus CPU, or some kind of BIOS issue. You could try another version of BIOS - that is, if the system runs well enough to take a chance on flashing the BIOS. Paul |
#5
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Asus Sabertooth-X79 Ram issue
Paul wrote:
Cyborg-HAF wrote: On Sat, 27 Oct 2012 08:35:55 -0400, Paul wrote: Cyborg-HAF wrote: I have built a new system using the Asus Sabertooth X79 motherboard and got a 16Gig of Corsair Dominator GT DDR3 2133 ram to use in the sytem. When got the system ready to power up and explored my Bios I found in the Tool menu that my D1 slot was Abnormal instead of OK like the other 3 sticks. When I installed my Windows 7 64-Bit, I found in System Properties that I only had 12 Gig of total Physical memory installed instead of the 15 Gig of my set. As a test I swapped sticks D1 and C1 and posted it again into the Bios and the same D1 slot was still Abnormal so the ram was good and the D1 slot was bad on the motherboad. Is it possible to populate the ram insead into the A2, B2, C2, and D2 to avoid the bad D1 slot, the ram would be recognised by the Bios and all show up. The motherboard manual shows those slots are used for going to all 8 slots populated instead of just using 4 sticks. Would I damage the board further by mounting the ram in number 2 slots? I hate to have to RMA the motherboad over one bad slot; I have Corsair HD80 closed watercooling set up and it would be a major hassle to rip everythiing including my processor out and kill my sysem until get a replacement motherboard. If a memory configuration is not supported, the BIOS will beep an error code. Electrically, I don't see a reason for damage to occur. The quad channel architecture, is like four separate memory buses, with two DIMMs per bus. Like this. --- D1 --- D2 I can't find any rationale for the manual to be filling A1-B1-C1-D1 versus A2-B2-C2-D2. There is a chipset feature, used on server boards or business laptops, which lets the IT department reset crashed computers remotely. That uses a microcontroller in the chipset. And that microcontroller "steals" a small amount of memory from system memory, in order to run its firmware load. In such a case, the microcontroller does not have the same flexibility as the main CPU, and may require a particular DIMM slot to be filled first. I cannot find any reference to this in the documentation for this system (X79/LGA2011). http://en.wikipedia.org/wiki/Intel_A...ent_Technology (AMT) http://en.wikipedia.org/wiki/VPro Paul I moved my four Dimms to the A2, B2,C2, and D2 channels, but just got Beep codes and no post. I had to move the ram back to the #1 channels to get the system to post, and back to the D1 channel Abnormal and loss of 4 Gig of ram. I have to remove my radiator each time I move ram, so it was a real pain. I guess need to RMA the motherboard, which will be nightmare ripping all my cooling hardware and processor, ram, fan cables, power cables, etc. I guess I have to RMA throungh NewEgg rather than try to do this through Asus. Herb Well, one user here got relief, by changing memory brands. Initial problem was only two of four DIMMs were recognized. http://vip.asus.com/forum/view.aspx?...age=2&count=12 And in terms of recognizing RAM, there is a difference between BIOS recognition, and what is shown in CPUZ. In CPUZ, the program queries the SPD chip on the DIMM in each slot. This is a relatively easy test to pass, because all that is happening is slow speed serial communications with the SPD chip. The BIOS on the other hand, for it to "recognize" a DIMM, not only does it read the SPD (to get memory size, speed, and so on). But, it also uses the ancient "probing" technique to verify the RAM size. If the "probing" tecnnique is failing (no location exhibits reliable storage), the BIOS rejects the DIMM and it won't show up in the memory map. So even though we live in the "SPD era" and the tables in the SPD tell the BIOS what to do, the BIOS does a double check. And the result of this careful approach, is the BIOS generally does not approve RAM which is less than 100% operational. If you use CPUZ, it will show all the DIMMs. And all that's needed for that to happen, is for the SPD pins to make contact, and for the SPD chip to have power applied. Lots of data pins might not be making contact, and CPUZ could still "read out" the DIMM. But the BIOS needs the vast majority of the pins to be working, to give a good RAM indication. But as I said in the other post, the odds are this is not a RAM or RAM bus issue. It's some other kind of issue. And it may not be resolved by reseating the CPU. In the example thread above, the posts by "Pookieraaj", it could either be that the RAM is defective or substandard, or, that the BIOS did not do a good job of handling the SPD info, and DIMMs were rejected for the wrong reasons. A new BIOS can sometimes sort that out. Paul |
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