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Author Topic: K9A2 Platinum, Phenom 9850, & AMDLLD64.sys Problem  (Read 6906 times)

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WaltCTopic starter

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After removing an AMD 5600 x2 from the K9A2 (I love this motherboard!), yesterday I  installed a Phenom 9850 (after updating the K9A2 bios to 1.4), and upon initial boot I blue-screened with a lock up with an error message that AMDLL64D.sys failed. I am running Vista Ultimate x64 with 4-gigs of ram, and the first thing I tried was removing the ram in 1-gig increments all the way back to 1-gig--but this had no effect and did not solve the problem.

Long story short, I booted into safe mode without a problem and simply deleted AMDLL64D.sys from Windows/system32, and then was able to reboot normally into Windows without a problem and everything seems to be running fine.  In the device manager under System Devices the "AMD low level driver" entry is yellow-tagged signifying a problem with the device.

I'm wondering if anyone else has encountered a problem with AMDLLD64.sys, and I'm also wondering whether this low level driver is necessary for anything important, or whether it was something relating only to the 5600 x2 previously installed.

One last dual-channel memory question: I'm assuming unganged is preferable to ganged since this is the bios default.  Any comments about that?

Thanks in advance!
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MSI Gaming Pro Carbon  x470 UEFI bios 2.80
Corsair HX-850 PSU (70a x1 12v rail)
AMD Ryzen 5 1600 @ 3.8GHz, voltage set, 1.385V
RAM 16GB 2x8GB, Patriot Viper Elite @3200MHz 16 16 16 36 1T, Gear Down, BankGroupSwapAlt, def voltage
Stock AMD cooler (95W version--thanks AMD!)
LG MultiDrive DVD writer SATA
Boot: Samsung 960 EVO NVMe 250GB (UEFI boot partition)
2x 1TB WD Blue 7200 rpm
ST2000DM SATA III 2TB
ST4000DM004 S3 4TB
AoC U3277PWQU 3840x2160 monitor
AMD RX-590 8GB/RX-480 8GB Crossfire
Realtek 1250 sound w/Nahimic
Win10x64 UEFI (Insider's builds)
Secure Boot ON

**It is well-known that I don't make mistakes, and so if you encounter a mistake in anything I have written then you can be certain that I did not write it...;D

WaltCTopic starter

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Re: K9A2 Platinum, Phenom 9850, & AMDLLD64.sys Problem
« Reply #1 on: 13-May-08, 13:15:09 »

OK, my thought now is that this device driver does not belong in my x64 Vista environment, and that when I get home I'll simply uninstall it via the device manager and forget about it...;)  The driver does not reinstall upon reboot so I'll bet that's all there is to it.

All right--any comments about unganged being superior to ganged mode?

Logged
MSI Gaming Pro Carbon  x470 UEFI bios 2.80
Corsair HX-850 PSU (70a x1 12v rail)
AMD Ryzen 5 1600 @ 3.8GHz, voltage set, 1.385V
RAM 16GB 2x8GB, Patriot Viper Elite @3200MHz 16 16 16 36 1T, Gear Down, BankGroupSwapAlt, def voltage
Stock AMD cooler (95W version--thanks AMD!)
LG MultiDrive DVD writer SATA
Boot: Samsung 960 EVO NVMe 250GB (UEFI boot partition)
2x 1TB WD Blue 7200 rpm
ST2000DM SATA III 2TB
ST4000DM004 S3 4TB
AoC U3277PWQU 3840x2160 monitor
AMD RX-590 8GB/RX-480 8GB Crossfire
Realtek 1250 sound w/Nahimic
Win10x64 UEFI (Insider's builds)
Secure Boot ON

**It is well-known that I don't make mistakes, and so if you encounter a mistake in anything I have written then you can be certain that I did not write it...;D

Svet

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Re: K9A2 Platinum, Phenom 9850, & AMDLLD64.sys Problem
« Reply #2 on: 13-May-08, 15:54:56 »

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WaltCTopic starter

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Re: K9A2 Platinum, Phenom 9850, & AMDLLD64.sys Problem
« Reply #3 on: 13-May-08, 16:30:21 »

Thanks so much, Bosskiller.  Yes, a good read, indeed...;)  It looks like maybe ganged is marginally better for single-threaded performance whereas unganged is really the way to go for optimal multithreaded performance. The differences between single-threaded ganged and unganged are pretty small, though, so I will probably just stick with unganged.  Thanks again!...;)
 
Logged
MSI Gaming Pro Carbon  x470 UEFI bios 2.80
Corsair HX-850 PSU (70a x1 12v rail)
AMD Ryzen 5 1600 @ 3.8GHz, voltage set, 1.385V
RAM 16GB 2x8GB, Patriot Viper Elite @3200MHz 16 16 16 36 1T, Gear Down, BankGroupSwapAlt, def voltage
Stock AMD cooler (95W version--thanks AMD!)
LG MultiDrive DVD writer SATA
Boot: Samsung 960 EVO NVMe 250GB (UEFI boot partition)
2x 1TB WD Blue 7200 rpm
ST2000DM SATA III 2TB
ST4000DM004 S3 4TB
AoC U3277PWQU 3840x2160 monitor
AMD RX-590 8GB/RX-480 8GB Crossfire
Realtek 1250 sound w/Nahimic
Win10x64 UEFI (Insider's builds)
Secure Boot ON

**It is well-known that I don't make mistakes, and so if you encounter a mistake in anything I have written then you can be certain that I did not write it...;D

Svet

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Re: K9A2 Platinum, Phenom 9850, & AMDLLD64.sys Problem
« Reply #4 on: 13-May-08, 17:47:39 »

Yep :)
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WaltCTopic starter

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Re: K9A2 Platinum, Phenom 9850, & AMDLLD64.sys Problem
« Reply #5 on: 27-May-08, 18:45:57 »

It thought that I should maybe let anyone who might've read this thread know that it was indeed a problem of running a device driver in Vista x64 that shouldn't have been there in the first place that caused my problem, and that removing the driver via the device manager fixed the problem permanently so that it has not reoccurred.   Case closed...;)
   
Logged
MSI Gaming Pro Carbon  x470 UEFI bios 2.80
Corsair HX-850 PSU (70a x1 12v rail)
AMD Ryzen 5 1600 @ 3.8GHz, voltage set, 1.385V
RAM 16GB 2x8GB, Patriot Viper Elite @3200MHz 16 16 16 36 1T, Gear Down, BankGroupSwapAlt, def voltage
Stock AMD cooler (95W version--thanks AMD!)
LG MultiDrive DVD writer SATA
Boot: Samsung 960 EVO NVMe 250GB (UEFI boot partition)
2x 1TB WD Blue 7200 rpm
ST2000DM SATA III 2TB
ST4000DM004 S3 4TB
AoC U3277PWQU 3840x2160 monitor
AMD RX-590 8GB/RX-480 8GB Crossfire
Realtek 1250 sound w/Nahimic
Win10x64 UEFI (Insider's builds)
Secure Boot ON

**It is well-known that I don't make mistakes, and so if you encounter a mistake in anything I have written then you can be certain that I did not write it...;D
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