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Processor does not support cmpxchG16b

Associate
Joined
26 Nov 2008
Posts
128
I have an Intel Q9650 core 3ghz overclocked to 4.5ghz quad processor.

I have been running windows 8 64 bit since it was available as an upgrade from windows 7 64 bit.

I am unable to download and upgrade to windows 8.1 as I get a message saying that my processor does not support cmpxchG16b.
I have run Coreinfo and that confirms this.

However, someone who has the exact same processor as me has run Coreinfo and his reports that his processor does support cmpxchG16b.

So, could it be a motherboard issue? Do I have to alter something in the bios to enable support for this?

My mobo is an Abit IP35 Pro XE.

I would be grateful for any advice.
 
Soldato
Joined
18 Oct 2002
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3,127
Location
Leicester
Not much help, but i'm running 64bit Windows 8.1 on a Q6600 and P35C-DS3R. I'd expect your setup to work if mine does.

Have you got the latest bios installed?
 
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OP
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26 Nov 2008
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I have the last official bios that Abit released before they decided not to make motherboards or support the ones that were sold.

Perhaps there is an unofficial one out there that could help me but I am struggling to find it if it exists.
 

PCZ

PCZ

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25 Jul 2006
Posts
1,354
I have got my ip35 xe out of retirement.
Will attempt to install 8.1 and let you know how it goes.

I have a q9550 and some Kingston DDR2 around somewhere.

Yes ABIT went TU years ago.
No BIOS updates only community ones.
 

PCZ

PCZ

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Posts
1,354
8.1 installed fine.
No errors at all.

IP35xe Q9550 8GB Kingston DDR2.
09/25/2008-P35-W627DHG-6A790A10C-00
Clean install from USB key.

PS
This horrible yellow mess is hurting my eyes.
Have I loaded a GUI for a speak and spell by mistake.

Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz
Intel64 Family 6 Model 23 Stepping 10, GenuineIntel
HTT * Hyperthreading enabled
HYPERVISOR - Hypervisor is present
VMX * Supports Intel hardware-assisted virtualization
SVM - Supports AMD hardware-assisted virtualization
EM64T * Supports 64-bit mode

SMX * Supports Intel trusted execution
SKINIT - Supports AMD SKINIT

NX * Supports no-execute page protection
SMEP - Supports Supervisor Mode Execution Prevention
SMAP - Supports Supervisor Mode Access Prevention
PAGE1GB - Supports 1 GB large pages
PAE * Supports > 32-bit physical addresses
PAT * Supports Page Attribute Table
PSE * Supports 4 MB pages
PSE36 * Supports > 32-bit address 4 MB pages
PGE * Supports global bit in page tables
SS * Supports bus snooping for cache operations
VME * Supports Virtual-8086 mode
RDWRFSGSBASE - Supports direct GS/FS base access

FPU * Implements i387 floating point instructions
MMX * Supports MMX instruction set
MMXEXT - Implements AMD MMX extensions
3DNOW - Supports 3DNow! instructions
3DNOWEXT - Supports 3DNow! extension instructions
SSE * Supports Streaming SIMD Extensions
SSE2 * Supports Streaming SIMD Extensions 2
SSE3 * Supports Streaming SIMD Extensions 3
SSSE3 * Supports Supplemental SIMD Extensions 3
SSE4.1 * Supports Streaming SIMD Extensions 4.1
SSE4.2 - Supports Streaming SIMD Extensions 4.2

AES - Supports AES extensions
AVX - Supports AVX intruction extensions
FMA - Supports FMA extensions using YMM state
MSR * Implements RDMSR/WRMSR instructions
MTRR * Supports Memory Type Range Registers
XSAVE * Supports XSAVE/XRSTOR instructions
OSXSAVE * Supports XSETBV/XGETBV instructions
RDRAND - Supports RDRAND instruction
RDSEED - Supports RDSEED instruction

CMOV * Supports CMOVcc instruction
CLFSH * Supports CLFLUSH instruction
CX8 * Supports compare and exchange 8-byte instructions
CX16 * Supports CMPXCHG16B instruction
BMI1 - Supports bit manipulation extensions 1
BMI2 - Supports bit maniuplation extensions 2
ADX - Supports ADCX/ADOX instructions
DCA - Supports prefetch from memory-mapped device
F16C - Supports half-precision instruction
FXSR * Supports FXSAVE/FXSTOR instructions
FFXSR - Supports optimized FXSAVE/FSRSTOR instruction
MONITOR * Supports MONITOR and MWAIT instructions
MOVBE - Supports MOVBE instruction
ERMSB - Supports Enhanced REP MOVSB/STOSB
PCLULDQ - Supports PCLMULDQ instruction
POPCNT - Supports POPCNT instruction
SEP * Supports fast system call instructions
LAHF-SAHF * Supports LAHF/SAHF instructions in 64-bit mode
HLE - Supports Hardware Lock Elision instructions
RTM - Supports Restricted Transactional Memory instructions

DE * Supports I/O breakpoints including CR4.DE
DTES64 * Can write history of 64-bit branch addresses
DS * Implements memory-resident debug buffer
DS-CPL * Supports Debug Store feature with CPL
PCID - Supports PCIDs and settable CR4.PCIDE
INVPCID - Supports INVPCID instruction
PDCM * Supports Performance Capabilities MSR
RDTSCP - Supports RDTSCP instruction
TSC * Supports RDTSC instruction
TSC-DEADLINE - Local APIC supports one-shot deadline timer
TSC-INVARIANT - TSC runs at constant rate
xTPR * Supports disabling task priority messages

EIST * Supports Enhanced Intel Speedstep
ACPI * Implements MSR for power management
TM * Implements thermal monitor circuitry
TM2 * Implements Thermal Monitor 2 control
APIC * Implements software-accessible local APIC
x2APIC - Supports x2APIC

CNXT-ID - L1 data cache mode adaptive or BIOS

MCE * Supports Machine Check, INT18 and CR4.MCE
MCA * Implements Machine Check Architecture
PBE * Supports use of FERR#/PBE# pin

PSN - Implements 96-bit processor serial number

PREFETCHW * Supports PREFETCHW instruction

Logical to Physical Processor Map:
*--- Physical Processor 0
-*-- Physical Processor 1
--*- Physical Processor 2
---* Physical Processor 3

Logical Processor to Socket Map:
**** Socket 0

Logical Processor to NUMA Node Map:
**** NUMA Node 0

Logical Processor to Cache Map:
*--- Data Cache 0, Level 1, 32 KB, Assoc 8, LineSize 64
*--- Instruction Cache 0, Level 1, 32 KB, Assoc 8, LineSize 64
**-- Unified Cache 0, Level 2, 6 MB, Assoc 24, LineSize 64
-*-- Data Cache 1, Level 1, 32 KB, Assoc 8, LineSize 64
-*-- Instruction Cache 1, Level 1, 32 KB, Assoc 8, LineSize 64
--*- Data Cache 2, Level 1, 32 KB, Assoc 8, LineSize 64
--*- Instruction Cache 2, Level 1, 32 KB, Assoc 8, LineSize 64
--** Unified Cache 1, Level 2, 6 MB, Assoc 24, LineSize 64
---* Data Cache 3, Level 1, 32 KB, Assoc 8, LineSize 64
---* Instruction Cache 3, Level 1, 32 KB, Assoc 8, LineSize 64

Logical Processor to Group Map:
**** Group 0

C:\Coreinfo>
 
Last edited:
Associate
OP
Joined
26 Nov 2008
Posts
128
Can you confirm if your board is the same as mine?
IP35 Pro XE, as I am sure you know there are others with similar names.

Any idea where I can get an updated bios as that is probably my problem?

My bios is: W627DHG-6A790A10C-11 dated 05/26/2008.

As far as I am aware that is the latest official version.
 

PCZ

PCZ

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Joined
25 Jul 2006
Posts
1,354
Yes same board
IP 35 Pro XE

All the links to the BIOS files seem to be dead now.
Files for the IP35 PRO are still available but not the XE

I will have a look on my PC's to see if I still have the ones I downloaded but
it was quite some time ago.

If I cant find the original download I could backup the BIOS I have running and you could try that.
 
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OP
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26 Nov 2008
Posts
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Yes please.
I would like to upgrade from windows 8 to 8.1 if at all possible.

Just need to find the flasher program now although I might have that on a very old hard drive somewhere under a pile of dust.
 

PCZ

PCZ

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Yes please.
I would like to upgrade from windows 8 to 8.1 if at all possible.

Just need to find the flasher program now although I might have that on a very old hard drive somewhere under a pile of dust.

You and me both

edit: Found the MB CD and it has awardflash on it.
Now need to boot into DOS.
 
Last edited:

PCZ

PCZ

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1,354
I use the HP USB Disk Storage format tool and tell it to use boot files from win 98.
Got those in a directory on my HD.

My old DOS boot key just give up the ghost as I bent it quite badly last time I used it.
Hit it with my knee :)
It was on old 128MB one not much use for anything else but ideal for DOS and memtest.

Made a new bootable key and got a BIOS backup.

IP35 PRO XE BIOS Backup
 
Associate
OP
Joined
26 Nov 2008
Posts
128
Upgrade completed and everything seems to be ok.

Have overclocked again.

Have run Coreinfo and it now shows as supporting cmpxchG16b, so I should now be able to upgrade to windows 8.1.

Thank you for your help!
 

PCZ

PCZ

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Posts
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Happy that worked out for you.
Must admit I get a bit nostalgic when I use the IP35.

4.5 is a big clock, 500x9 I guess.
Do you run that all the time or max benchable ?

My q9550 wont get anywhere near that.
480x8.5 is max for me.
 
Associate
Joined
31 Aug 2014
Posts
34
I use the HP USB Disk Storage format tool and tell it to use boot files from win 98.
Got those in a directory on my HD.

My old DOS boot key just give up the ghost as I bent it quite badly last time I used it.
Hit it with my knee :)
It was on old 128MB one not much use for anything else but ideal for DOS and memtest.

Made a new bootable key and got a BIOS backup.

IP35 PRO XE BIOS Backup

PCZ

Is there any chance at all that you still have this bios, I have the same issue.

Thanks
 
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