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771 to 775 mods and Netburst Xeon

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First post, by Fish3r

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This may be a redundant topic but I'm asking here because google is totally useless now and I don't trust their AI results

Is it possible to run a Dempsey 771 xeon (5060 or 5080 is what I was looking at) in a 775 board like people have done with the later Core 2 based Xeon CPUs? All of the information online I can find relates to the later Xeons since people were trying to get the most out of the platform.

Reply 1 of 5, by Trashbytes

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Yes it is, you'll need to do the 771 to 775 mod to both the cpu (Stickers) and socket if you don't want to drill notches into the CPU. I've done both and modding the CPU socket is easier but a bit more risky due to the proximity to the socket pins but with a steady hand and a sharp art knife its far quicker.

The 775 mods are exactly the same across all 771 CPUs, the pin out doesn't change between generations IIRC.

Reply 2 of 5, by Fish3r

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Trashbytes wrote on Today, 05:21:

Yes it is, you'll need to do the 771 to 775 mod to both the cpu (Stickers) and socket if you don't want to drill notches into the CPU. I've done both and modding the CPU socket is easier but a bit more risky due to the proximity to the socket pins but with a steady hand and a sharp art knife its far quicker.

The 775 mods are exactly the same across all 771 CPUs, the pin out doesn't change between generations IIRC.

Thanks, one other thing I'm unsure about is whether or not I need to do any bios modding. I've got an Abit AW9D, using the intelmicrocodelist program to list the CPU microcode in some of its bios versions I see v17 has these:

CPUID=F02 Rev=FFFF000B 2000/05/18 CRC=456218D2 Off=1000 Size=800 Plat=0
CPUID=F25 Rev=2C 2004/08/26 CRC=62D062AB Off=C07E0 Size=800 Plat=4
CPUID=F65 Rev=07 2006/04/26 CRC=B1D162E2 Off=C0FE0 Size=400 Plat=2
CPUID=F64 Rev=04 2005/12/23 CRC=C66DBF02 Off=C13E0 Size=C00 Plat=2,4,5
CPUID=F62 Rev=0F 2005/12/15 CRC=0976D137 Off=C1FE0 Size=C00 Plat=2
CPUID=F61 Rev=07 2005/06/10 CRC=AB7DD242 Off=C2BE0 Size=800 Plat=2
CPUID=F60 Rev=05 2005/01/24 CRC=A42FB999 Off=C33E0 Size=800 Plat=0,1,2
CPUID=F4A Rev=04 2005/12/14 CRC=5E7996D9 Off=C3BE0 Size=800 Plat=2,3,4,6
CPUID=F49 Rev=03 2005/04/21 CRC=F85D53B8 Off=C43E0 Size=800 Plat=0,2,3,4,5,7
CPUID=F47 Rev=03 2005/04/21 CRC=AF2CEF0D Off=C4BE0 Size=C00 Plat=0,2,3,4,7
CPUID=F44 Rev=06 2005/04/21 CRC=9F60DB18 Off=C57E0 Size=C00 Plat=0,2,3,4,7
CPUID=F43 Rev=05 2005/04/21 CRC=77812C17 Off=C63E0 Size=800 Plat=0,2,3,4,7
CPUID=F42 Rev=03 2005/04/21 CRC=7A20982B Off=C6BE0 Size=C00 Plat=0,2,3,4,7
CPUID=F41 Rev=17 2005/04/22 CRC=326135C1 Off=C77E0 Size=1400 Plat=0,2,3,4,5,7
CPUID=F37 Rev=02 2003/12/09 CRC=2B57BD9E Off=C8BE0 Size=800 Plat=0,2,3
CPUID=F34 Rev=17 2005/04/21 CRC=2CBD6146 Off=C93E0 Size=1C00 Plat=0,2,3,4
CPUID=F33 Rev=0C 2005/04/21 CRC=58C41EFD Off=CAFE0 Size=800 Plat=0,2,3
CPUID=F32 Rev=0A 2004/05/11 CRC=2538EF0A Off=CB7E0 Size=800 Plat=0,2,3
CPUID=F31 Rev=0B 2003/10/21 CRC=974050CD Off=CBFE0 Size=1000 Plat=0,2,3
CPUID=6FD Rev=A1 2007/03/13 CRC=020EA906 Off=CCFE0 Size=1000 Plat=0
CPUID=6FB Rev=B3 2007/03/14 CRC=54AD9BFF Off=CDFE0 Size=1000 Plat=0
CPUID=6F9 Rev=82 2006/09/03 CRC=59C9FE00 Off=CEFE0 Size=1000 Plat=0
CPUID=6F6 Rev=C6 2007/03/07 CRC=B1BFF977 Off=CFFE0 Size=1000 Plat=0
CPUID=6F5 Rev=33 2006/05/01 CRC=6A962F22 Off=D0FE0 Size=1000 Plat=0
CPUID=6F5 Rev=33 2006/05/01 CRC=6A962ED3 Off=D1FE0 Size=1000 Plat=4,6
CPUID=6F4 Rev=25 2006/02/27 CRC=D8AB5036 Off=D2FE0 Size=1000 Plat=0,2,4,5,6
CPUID=6F4 Rev=26 2006/03/12 CRC=DA8E97D1 Off=D3FE0 Size=1000 Plat=0,2,4,5,6,7
CPUID=6F1 Rev=11 2005/10/10 CRC=A28ACD13 Off=D4FE0 Size=1000 Plat=0,1,2,5
CPUID=6F2 Rev=56 2007/03/08 CRC=ECFB6EE8 Off=D5FE0 Size=1000 Plat=0
CPUID=6F0 Rev=05 2005/08/18 CRC=6D5B2CAB Off=D6FE0 Size=1000 Plat=5
CPUID=6F0 Rev=05 2005/08/18 CRC=6D5B2CC7 Off=D7FE0 Size=1000 Plat=2
CPUID=6F0 Rev=05 2005/08/18 CRC=6D5B2CCA Off=D8FE0 Size=1000 Plat=0
CPUID=10661 Rev=32 2007/03/16 CRC=0B13F1ED Off=D9FE0 Size=1000 Plat=0
CPUID=10661 Rev=35 2007/03/16 CRC=25D21171 Off=DAFE0 Size=1000 Plat=3
CPUID=10660 Rev=04 2006/06/12 CRC=6CC60901 Off=DBFE0 Size=1000 Plat=0,1
CPUID=6FB Rev=B3 2007/03/14 CRC=54AD9BF0 Off=DCFE0 Size=1000 Plat=4
CPUID=6F7 Rev=60 2006/07/12 CRC=4C134B20 Off=DDFE0 Size=1000 Plat=4
CPUID=10671 Rev=106 2007/03/29 CRC=80731BA9 Off=DEFE0 Size=1000 Plat=2
CPUID=10671 Rev=106 2007/03/29 CRC=80731BAC Off=DFFE0 Size=1000 Plat=0
CPUID=10671 Rev=106 2007/03/29 CRC=80731B9D Off=E0FE0 Size=1000 Plat=4
CPUID=10674 Rev=404 2007/06/08 CRC=F9DEC4B1 Off=E1FE0 Size=1000 Plat=4
CPUID=10674 Rev=404 2007/06/08 CRC=F9DEC4BD Off=E2FE0 Size=1000 Plat=2
CPUID=10674 Rev=404 2007/06/08 CRC=F9DEC4C0 Off=E3FE0 Size=1000 Plat=0
CPUID=10676 Rev=606 2007/09/12 CRC=A5A30EBF Off=E4FE0 Size=1000 Plat=4
CPUID=10676 Rev=606 2007/09/12 CRC=A5A30ECB Off=E5FE0 Size=1000 Plat=2
CPUID=10676 Rev=606 2007/09/12 CRC=A5A30ECE Off=E6FE0 Size=1000 Plat=0

I think F64 corresponds to the Xeon I have, at least judging by this listing: https://instlatx64.github.io/InstLatx64/.

Does that mean this is just a drop in replacement (after cutting tabs in the CPU + adding the sticker)? I'm already running this bios version on the board and not having to flash a modded bios would be nice.

Reply 3 of 5, by PC Hoarder Patrol

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Fish3r wrote on Today, 15:03:
Thanks, one other thing I'm unsure about is whether or not I need to do any bios modding. I've got an Abit AW9D, using the intel […]
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Trashbytes wrote on Today, 05:21:

Yes it is, you'll need to do the 771 to 775 mod to both the cpu (Stickers) and socket if you don't want to drill notches into the CPU. I've done both and modding the CPU socket is easier but a bit more risky due to the proximity to the socket pins but with a steady hand and a sharp art knife its far quicker.

The 775 mods are exactly the same across all 771 CPUs, the pin out doesn't change between generations IIRC.

Thanks, one other thing I'm unsure about is whether or not I need to do any bios modding. I've got an Abit AW9D, using the intelmicrocodelist program to list the CPU microcode in some of its bios versions I see v17 has these:

CPUID=F02 Rev=FFFF000B 2000/05/18 CRC=456218D2 Off=1000 Size=800 Plat=0
CPUID=F25 Rev=2C 2004/08/26 CRC=62D062AB Off=C07E0 Size=800 Plat=4
CPUID=F65 Rev=07 2006/04/26 CRC=B1D162E2 Off=C0FE0 Size=400 Plat=2
CPUID=F64 Rev=04 2005/12/23 CRC=C66DBF02 Off=C13E0 Size=C00 Plat=2,4,5
CPUID=F62 Rev=0F 2005/12/15 CRC=0976D137 Off=C1FE0 Size=C00 Plat=2
CPUID=F61 Rev=07 2005/06/10 CRC=AB7DD242 Off=C2BE0 Size=800 Plat=2
CPUID=F60 Rev=05 2005/01/24 CRC=A42FB999 Off=C33E0 Size=800 Plat=0,1,2
CPUID=F4A Rev=04 2005/12/14 CRC=5E7996D9 Off=C3BE0 Size=800 Plat=2,3,4,6
CPUID=F49 Rev=03 2005/04/21 CRC=F85D53B8 Off=C43E0 Size=800 Plat=0,2,3,4,5,7
CPUID=F47 Rev=03 2005/04/21 CRC=AF2CEF0D Off=C4BE0 Size=C00 Plat=0,2,3,4,7
CPUID=F44 Rev=06 2005/04/21 CRC=9F60DB18 Off=C57E0 Size=C00 Plat=0,2,3,4,7
CPUID=F43 Rev=05 2005/04/21 CRC=77812C17 Off=C63E0 Size=800 Plat=0,2,3,4,7
CPUID=F42 Rev=03 2005/04/21 CRC=7A20982B Off=C6BE0 Size=C00 Plat=0,2,3,4,7
CPUID=F41 Rev=17 2005/04/22 CRC=326135C1 Off=C77E0 Size=1400 Plat=0,2,3,4,5,7
CPUID=F37 Rev=02 2003/12/09 CRC=2B57BD9E Off=C8BE0 Size=800 Plat=0,2,3
CPUID=F34 Rev=17 2005/04/21 CRC=2CBD6146 Off=C93E0 Size=1C00 Plat=0,2,3,4
CPUID=F33 Rev=0C 2005/04/21 CRC=58C41EFD Off=CAFE0 Size=800 Plat=0,2,3
CPUID=F32 Rev=0A 2004/05/11 CRC=2538EF0A Off=CB7E0 Size=800 Plat=0,2,3
CPUID=F31 Rev=0B 2003/10/21 CRC=974050CD Off=CBFE0 Size=1000 Plat=0,2,3
CPUID=6FD Rev=A1 2007/03/13 CRC=020EA906 Off=CCFE0 Size=1000 Plat=0
CPUID=6FB Rev=B3 2007/03/14 CRC=54AD9BFF Off=CDFE0 Size=1000 Plat=0
CPUID=6F9 Rev=82 2006/09/03 CRC=59C9FE00 Off=CEFE0 Size=1000 Plat=0
CPUID=6F6 Rev=C6 2007/03/07 CRC=B1BFF977 Off=CFFE0 Size=1000 Plat=0
CPUID=6F5 Rev=33 2006/05/01 CRC=6A962F22 Off=D0FE0 Size=1000 Plat=0
CPUID=6F5 Rev=33 2006/05/01 CRC=6A962ED3 Off=D1FE0 Size=1000 Plat=4,6
CPUID=6F4 Rev=25 2006/02/27 CRC=D8AB5036 Off=D2FE0 Size=1000 Plat=0,2,4,5,6
CPUID=6F4 Rev=26 2006/03/12 CRC=DA8E97D1 Off=D3FE0 Size=1000 Plat=0,2,4,5,6,7
CPUID=6F1 Rev=11 2005/10/10 CRC=A28ACD13 Off=D4FE0 Size=1000 Plat=0,1,2,5
CPUID=6F2 Rev=56 2007/03/08 CRC=ECFB6EE8 Off=D5FE0 Size=1000 Plat=0
CPUID=6F0 Rev=05 2005/08/18 CRC=6D5B2CAB Off=D6FE0 Size=1000 Plat=5
CPUID=6F0 Rev=05 2005/08/18 CRC=6D5B2CC7 Off=D7FE0 Size=1000 Plat=2
CPUID=6F0 Rev=05 2005/08/18 CRC=6D5B2CCA Off=D8FE0 Size=1000 Plat=0
CPUID=10661 Rev=32 2007/03/16 CRC=0B13F1ED Off=D9FE0 Size=1000 Plat=0
CPUID=10661 Rev=35 2007/03/16 CRC=25D21171 Off=DAFE0 Size=1000 Plat=3
CPUID=10660 Rev=04 2006/06/12 CRC=6CC60901 Off=DBFE0 Size=1000 Plat=0,1
CPUID=6FB Rev=B3 2007/03/14 CRC=54AD9BF0 Off=DCFE0 Size=1000 Plat=4
CPUID=6F7 Rev=60 2006/07/12 CRC=4C134B20 Off=DDFE0 Size=1000 Plat=4
CPUID=10671 Rev=106 2007/03/29 CRC=80731BA9 Off=DEFE0 Size=1000 Plat=2
CPUID=10671 Rev=106 2007/03/29 CRC=80731BAC Off=DFFE0 Size=1000 Plat=0
CPUID=10671 Rev=106 2007/03/29 CRC=80731B9D Off=E0FE0 Size=1000 Plat=4
CPUID=10674 Rev=404 2007/06/08 CRC=F9DEC4B1 Off=E1FE0 Size=1000 Plat=4
CPUID=10674 Rev=404 2007/06/08 CRC=F9DEC4BD Off=E2FE0 Size=1000 Plat=2
CPUID=10674 Rev=404 2007/06/08 CRC=F9DEC4C0 Off=E3FE0 Size=1000 Plat=0
CPUID=10676 Rev=606 2007/09/12 CRC=A5A30EBF Off=E4FE0 Size=1000 Plat=4
CPUID=10676 Rev=606 2007/09/12 CRC=A5A30ECB Off=E5FE0 Size=1000 Plat=2
CPUID=10676 Rev=606 2007/09/12 CRC=A5A30ECE Off=E6FE0 Size=1000 Plat=0

I think F64 corresponds to the Xeon I have, at least judging by this listing: https://instlatx64.github.io/InstLatx64/.

Does that mean this is just a drop in replacement (after cutting tabs in the CPU + adding the sticker)? I'm already running this bios version on the board and not having to flash a modded bios would be nice.

This (archived) site was the one I used to reference for all 771 to 775 mod info... https://web.archive.org/web/20190211033315/ht … to-775-adapter/

Doesn't specifically list the standard AW9D, but the MAX version supports all 65nm Xeons with a 1066 FSB so you should be OK. There are separate headings on each element of the mod, including the BIOS and adding microcodes (with attached files provided there)

Reply 4 of 5, by Fish3r

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PC Hoarder Patrol wrote on Today, 15:47:

This (archived) site was the one I used to reference for all 771 to 775 mod info... https://web.archive.org/web/20190211033315/ht … to-775-adapter/

Doesn't specifically list the standard AW9D, but the MAX version supports all 65nm Xeons with a 1066 FSB so you should be OK. There are separate headings on each element of the mod, including the BIOS and adding microcodes (with attached files provided there)

I was looking there but the site disregards anything netburst, it has some downloads that claim to be microcode for all 65nm 771 chips that only contain the core 2 based stuff. I think the AW9D will just work though, the Xeon's CPUID matches that of the regular presler C1 stepping chips and the board can handle the 1066FSB extreme editions. Worst case scenario it just doesn't POST I guess.

Reply 5 of 5, by Trashbytes

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It matches the Pressler because it is a Pressler, there is no difference silicon wise its all just microcode fudging by Intel, the normal retail version of the 5080 is the P4 Extreme 965 3.733Ghz and the only difference is the microcode and some locking of SMP for the P4 via the microcode.

In a sense the board should just see it as a P4 3.73Ghz CPU, it likely wont name it however due to no microcode for it or itll default to the 965 monkier.

Either way, throw that puppy in there and have some serious fun with it !

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