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#1
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1.4GHz PIII-S Tualatins on a VP6!! HELP!!!
Hello --
I don't normally cross-post, but in this case I'm quite desperate for help (please see sig for spec). I have recently purchased two Tualatin Pentium III-S, 1.4GHz 512KB L2 cache. In order to get these to work with the VP6, I also purchased two Lin-Lin S370 adapters. After installing everything according to instructions, I have found that the VP6 will only boot reliably with one of these processor/adapter combinations installed. It seems to run reliably at default speed (133MHz x 10.5) - it's been running SETI for about two hours now and hasn't crashed. Does anyone know how to get the VP6 to boot with *both* of these processors/adapters installed? My VP6 has been flashed to the latest "DR" BIOS, and has the capacitors replaced (thanks Big Badger!!). Is it a matter of supply more power to the CPU sockets? Or is there a problem with the VP6/Lin-Lin combination? I will be very grateful indeed for any help I receive. Best regards, Rohan Beckles -- ABIT VP6 Intel "Tualatin" PIII-S 1.4GHz (1 off) 1GB SDRAM Seagate Barracuda II 20.4GB ABIT Siluro Ti4200 OTES 128MB |
#2
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Hi Rohan,
Have you heard of anyone successfully running such a set-up? I could not find a compatibility list for the Lin-Lin adapter but Upgradeware have one for their very similar 370GU adapter, he http://www.upgradeware.com/english/p...patibility.htm Although the 370GU does normally support dual processors the compatibility list specifically states VP6 support in single cpu mode only. I really can't figure out why this should be because other similar, Via chipset, dual PIII boards are listed with dual support.... But it makes you wonder if there is perhaps something about the VP6 that prevents dual Tualatin support, even with adapters? -- *****Replace 'NOSPAM' with 'btinternet' in the reply address***** "Rohan Beckles" wrote in message ... Hello -- I don't normally cross-post, but in this case I'm quite desperate for help (please see sig for spec). I have recently purchased two Tualatin Pentium III-S, 1.4GHz 512KB L2 cache. In order to get these to work with the VP6, I also purchased two Lin-Lin S370 adapters. After installing everything according to instructions, I have found that the VP6 will only boot reliably with one of these processor/adapter combinations installed. It seems to run reliably at default speed (133MHz x 10.5) - it's been running SETI for about two hours now and hasn't crashed. Does anyone know how to get the VP6 to boot with *both* of these processors/adapters installed? My VP6 has been flashed to the latest "DR" BIOS, and has the capacitors replaced (thanks Big Badger!!). Is it a matter of supply more power to the CPU sockets? Or is there a problem with the VP6/Lin-Lin combination? I will be very grateful indeed for any help I receive. Best regards, Rohan Beckles -- ABIT VP6 Intel "Tualatin" PIII-S 1.4GHz (1 off) 1GB SDRAM Seagate Barracuda II 20.4GB ABIT Siluro Ti4200 OTES 128MB |
#3
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BigBadger wrote:
Hi Rohan, Have you heard of anyone successfully running such a set-up? I could = not find a compatibility list for the Lin-Lin adapter but Upgradeware hav= e one for their very similar 370GU adapter, he http://www.upgradeware.com/english/p...patibility.htm Although the 370GU does normally support dual processors the compatib= ility list specifically states VP6 support in single cpu mode only. I reall= y can't figure out why this should be because other similar, Via chipset, dua= l PIII boards are listed with dual support.... But it makes you wonder if th= ere is perhaps something about the VP6 that prevents dual Tualatin support, = even with adapters? =20 It might well be something to do with the VP6. For a moment I thought = that it might be that the Lin-Lin adapter was wired up to act like a Tualatin C= eleron, i.e. no SMP capability at all, since it is labelled as a Tualatin Celer= on adapter. However that would be kind of silly. My only other alternative seems to be the Powerleap PL-370/T (=A335.00 = each), or better yet getting hold of an IWill DVD266-Rn motherboard, which would = mean investing in DDR-SDRAM. Do you know if other companies such as ASUS do such adapters at reasona= ble prices? Best, --=20 ABIT VP6 Intel "Tualatin" PIII-S 1.4GHz (1 off) 1GB SDRAM Seagate Barracuda II 20.4GB ABIT Siluro Ti4200 OTES 128MB |
#4
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Rohan Beckles wrote in
: BigBadger wrote: Hi Rohan, Have you heard of anyone successfully running such a set-up? I could not find a compatibility list for the Lin-Lin adapter but Upgradeware hav e one for their very similar 370GU adapter, he http://www.upgradeware.com/english/p...patibility.htm Although the 370GU does normally support dual processors the compatib ility list specifically states VP6 support in single cpu mode only. I reall y can't figure out why this should be because other similar, Via chipset, dua l PIII boards are listed with dual support.... But it makes you wonder if th ere is perhaps something about the VP6 that prevents dual Tualatin support, even with adapters? It might well be something to do with the VP6. For a moment I thought that it might be that the Lin-Lin adapter was wired up to act like a Tualatin Celeron, i.e. no SMP capability at all, since it is labelled as a Tualatin Celeron adapter. However that would be kind of silly. My only other alternative seems to be the Powerleap PL-370/T (£35.00 each), or better yet getting hold of an IWill DVD266-Rn motherboard, which would mean investing in DDR-SDRAM. Do you know if other companies such as ASUS do such adapters at reasonable prices? Best, I don't know of any other adapters than those already mentioned. I've got a brand new Supermicro 370DDE here if your interested. It uses the Via 266pro chipset but still uses 'single data rate' ram. It's not Tualatin ready though, so you would need to use the adapters. |
#5
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BigBadger wrote:
I don't know of any other adapters than those already mentioned. I've= got a brand new Supermicro 370DDE here if your interested. It uses th= e Via 266pro chipset but still uses 'single data rate' ram. It's not Tualatin ready though, so you would need to use the adapters. Brand new? I thought that Supermicro EOL'd that board long ago - looks= like I was wrong. How much would you let it go for? Is there any chance of y= ou testing it with Tualatin adapters to make sure it's compatible? Also, = what are its overclocking capabilities? =20 BTW, I just looked the the next one up from that board, the P3TDDE. Us= ing the VIA Apollo Pro 266T chipset, it supports the Tualatin processor out of = the box, yet still only uses single data rate SDRAM. Isn't that odd, considerin= g the 266/266T is supposed to be a DDR chipset?=20 Best, --=20 "No greater love hath a man, than he lay down his=20 life for his brother. =A0Not for millions. =A0Not for=20 glory, not for fame - but for one person...in the=20 dark...where no one will ever know, or see..."=20 - Sebastian, "Comes the Inquisitor", Babylon 5 |
#6
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Rohan Beckles wrote in
: Brand new? I thought that Supermicro EOL'd that board long ago - looks like I was wrong. How much would you let it go for? Is there any chance of you testing it with Tualatin adapters to make sure it's compatible? Also, what are its overclocking capabilities? BTW, I just looked the the next one up from that board, the P3TDDE. Using the VIA Apollo Pro 266T chipset, it supports the Tualatin processor out of the box, yet still only uses single data rate SDRAM. Isn't that odd, considering the 266/266T is supposed to be a DDR chipset? Best, Rohan; check your email |
#7
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Rohan Beckles wrote: BigBadger wrote: Hi Rohan, Have you heard of anyone successfully running such a set-up? I could not find a compatibility list for the Lin-Lin adapter but Upgradeware have one for their very similar 370GU adapter, he http://www.upgradeware.com/english/p...patibility.htm Although the 370GU does normally support dual processors the compatibility list specifically states VP6 support in single cpu mode only. I really can't figure out why this should be because other similar, Via chipset, dual PIII boards are listed with dual support.... But it makes you wonder if there is perhaps something about the VP6 that prevents dual Tualatin support, even with adapters? It might well be something to do with the VP6. For a moment I thought that it might be that the Lin-Lin adapter was wired up to act like a Tualatin Celeron, i.e. no SMP capability at all, since it is labelled as a Tualatin Celeron adapter. However that would be kind of silly. It could well be Lin-Lin used the "wrong" pin for the BR1# CPU bus request signal. I had the same problem when trying to run dual PIII-S processors on the Asus P2B-DS using Upgradeware Slot-T adapters - the board would POST with one processor but not two. The adapters originally used pin X2 for BR1#, which is correct according to Intel documentation, but they did not work until I modified them to use pin N33 - which is "reserved" according to Intel but used for BR1# on some Powerleap adapters. More details he http://tipperlinne.com/slot-t.htm HTH P2B My only other alternative seems to be the Powerleap PL-370/T (£35.00 each), or better yet getting hold of an IWill DVD266-Rn motherboard, which would mean investing in DDR-SDRAM. Do you know if other companies such as ASUS do such adapters at reasonable prices? Best, |
#8
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-- *****Replace 'NOSPAM' with 'btinternet' in the reply address***** It could well be Lin-Lin used the "wrong" pin for the BR1# CPU bus request signal. I had the same problem when trying to run dual PIII-S processors on the Asus P2B-DS using Upgradeware Slot-T adapters - the board would POST with one processor but not two. The adapters originally used pin X2 for BR1#, which is correct according to Intel documentation, but they did not work until I modified them to use pin N33 - which is "reserved" according to Intel but used for BR1# on some Powerleap adapters. More details he http://tipperlinne.com/slot-t.htm HTH P2B This sound plausible but would it actually prevent the system from POST'ing???? I would have expected that if that was the problem the PC would POST with two CPU's installed but only show single CPU mode. |
#9
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BigBadger wrote: It could well be Lin-Lin used the "wrong" pin for the BR1# CPU bus request signal. I had the same problem when trying to run dual PIII-S processors on the Asus P2B-DS using Upgradeware Slot-T adapters - the board would POST with one processor but not two. The adapters originally used pin X2 for BR1#, which is correct according to Intel documentation, but they did not work until I modified them to use pin N33 - which is "reserved" according to Intel but used for BR1# on some Powerleap adapters. More details he http://tipperlinne.com/slot-t.htm HTH P2B This sound plausible but would it actually prevent the system from POST'ing???? I would have expected that if that was the problem the PC would POST with two CPU's installed but only show single CPU mode. Before the mod it would only POST with one CPU in the rear slot. Move the CPU to the front slot, or add the second one, and it would just sit there with fans spinning - no video or beeps, and no BIOS activity on a POST diagnostic card. I never did figure out why. Powerleap's PL-P3/SMP adapters have a jumper to select X2 or N33 for BR1#, and both settings work in dual mode on the P2B-DS. Asus S370-DL adapters use X2, and they also work (with Tualatin pin mods), but the Slot-T only works using N33. Beats me :-) P2B |
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