Question I'm getting intermittent b1 code on Asus motherboard after installing a used GPU ?

Aug 18, 2024
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A friend gifted me their Nvidia RTX 3060Ti 8GB. About 25% of the time when I power on the computer from shutdown, the mobo reads "b1" and gets stuck on the Asus logo for 1-2 minutes. Then, it gets to the login screen and works fine.

Most of the time it boots quickly in less than a minute with no issues since I have a SSD, just like I did with my old Nvidia GPU. But I'm concerned that I'm getting this b1 code 25% of the time.

Any ideas?

Specs
MBD: Asus Z97 Deluxe
CPU: i7-4770
GPU: Nvidia RTX 3060 Ti 8 GB
RAM: 32GB (16GB x 2 )
 
and what have you found related to this "b1" code?

if the card wasn't functioning then you'd have no display whatsoever.

i'd guess it's more related to the very outdated system containing this card.

include the complete system specs with the make & model of ALL components.
not just this brief description you've offered.
 
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Aug 18, 2024
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and what have you found related to this "b1" code?

if the card wasn't functioning then you'd have no display whatsoever.

i'd guess it's more related to the very outdated system containing this card.

include the complete system specs with the make & model of ALL components.
not just this brief description you've offered.

Sure here's full specs.

Mobo: Asus Z97-Deluxe PCI-Express 3.0 (8.0 GT/s)
CPU: Intel i7-4470 @ 3.40 GHz, 3401 Mhz, 4 Cores, 8 Logical Processors
GPU: Nvidia GeForce RTX 3060 Ti 8GB
SSD: Samsung 850 EVO 500GB
RAM: Kingston 32GB (4 x 8GB) DDR3 933MHz
PSU:Thermaltake Smart M 750w

Note: I was incorrect in my first post about the the RAM config.
 
Aug 18, 2024
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You don't mention the PSU. My RTX 3060 (non Ti) pulls up to 170W. Can your PSU cope with the extra load?

I did in my reply above. It's Thermaltake Smart M 750W PSU. Unless you're looking for something more specific about my PSU?

It seems like it can cope? According to GPU-Z, it's at 19-20% power consumption while web browsing and such. While gaming, it's at 30%.
 

Misgar

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Sorry, I didn't notice you'd already included the PSU spec. My apologies.

If it's the SP-750M PSU tested in this review, it looks like you've made a good choice and it will be more than capable of supplying the RTX 3060Ti.
https://www.techpowerup.com/review/thermaltake-smart-m-750w/

Here is a list of Asus BIOS error codes:
Code B1 = Runtime Set Virtual Address MAP End
https://www.hardwarecentric.com/asus-motherboard-error-codes-list/

This guy had code B1 and discovered his RAM was not fully compatible with his mobo (not a Z97).
https://rog-forum.asus.com/t5/z270/solved-maximus-ix-code-error-q-code-55-b1-cc/td-p/620652

The computer I'm using at this instant in time is as follows:
Gigabyte GA-Z97-D3H mobo and Intel i7-4770K.
Four 4GB (16GB total) Crucial BLS4G3D1609DS1S00 DIMMs at 1600MT/s (DDR3-1600).
Aida64 shows the DIMMs are running at 1.512V (not 1.65V XMP).
Memory Timings are 9-9-9-24 (CL-RCD-RP-RAS) from SPD.
I've applied a medium overclock multiplier of x41 (4.1GHz max) with a manual Vcore voltage set to 1.260V, but Vcore is currently around 0.900V at idle.
The system is stable.
I'm using the Integrated: Intel Haswell-DT GT2 - Integrated Graphics Controller in the i7-4770K, not a PCIe card like your RTX 3060Ti, because my main PCIe slots house an Aquantia AQtion AQC107 10Gbit Network Adapter and a Hewlett Packard SC44Ge Host Bus Adapter for my LTO4 SAS tape drive.

You say your RAM is Kingston DDR3 8GB RAM 933 MHz x 4 (32 GB total RAM).
Am I correct in thinking the 933MHz refers to the true memory clock frequency, with a DDR transfer rate of 2 x 933 =1866MT/s?

If you're running at XMP DDR3-1866, try backing it down to DDR3-1600 or even stock DDR3-1333. As you're probably aware, memory timings often need to be relaxed when you fit four DIMMs instead of two, due to additional load on the IMCs.

With any luck, you won't get any B1 errors at 1333MT/s. If 1600MT/s is not fast enough for your needs and you find 1866MT/s is unstable, try relaxing the CL (CAS) timing by 1 or 2 clock cycles, e.g. if CL=11 at 1866, increase the value to 12 or 13. It might make 4 sticks of RAM more stable.

You might consider running MemTest86 at 1866 to see if the current timings are stable.
 
Aug 18, 2024
5
0
10
Sorry, I didn't notice you'd already included the PSU spec. My apologies.

If it's the SP-750M PSU tested in this review, it looks like you've made a good choice and it will be more than capable of supplying the RTX 3060Ti.
https://www.techpowerup.com/review/thermaltake-smart-m-750w/

Here is a list of Asus BIOS error codes:
Code B1 = Runtime Set Virtual Address MAP End
https://www.hardwarecentric.com/asus-motherboard-error-codes-list/

This guy had code B1 and discovered his RAM was not fully compatible with his mobo (not a Z97).
https://rog-forum.asus.com/t5/z270/solved-maximus-ix-code-error-q-code-55-b1-cc/td-p/620652

The computer I'm using at this instant in time is as follows:
Gigabyte GA-Z97-D3H mobo and Intel i7-4770K.
Four 4GB (16GB total) Crucial BLS4G3D1609DS1S00 DIMMs at 1600MT/s (DDR3-1600).
Aida64 shows the DIMMs are running at 1.512V (not 1.65V XMP).
Memory Timings are 9-9-9-24 (CL-RCD-RP-RAS) from SPD.
I've applied a medium overclock multiplier of x41 (4.1GHz max) with a manual Vcore voltage set to 1.260V, but Vcore is currently around 0.900V at idle.
The system is stable.
I'm using the Integrated: Intel Haswell-DT GT2 - Integrated Graphics Controller in the i7-4770K, not a PCIe card like your RTX 3060Ti, because my main PCIe slots house an Aquantia AQtion AQC107 10Gbit Network Adapter and a Hewlett Packard SC44Ge Host Bus Adapter for my LTO4 SAS tape drive.

You say your RAM is Kingston DDR3 8GB RAM 933 MHz x 4 (32 GB total RAM).
Am I correct in thinking the 933MHz refers to the true memory clock frequency, with a DDR transfer rate of 2 x 933 =1866MT/s?

If you're running at XMP DDR3-1866, try backing it down to DDR3-1600 or even stock DDR3-1333. As you're probably aware, memory timings often need to be relaxed when you fit four DIMMs instead of two, due to additional load on the IMCs.

With any luck, you won't get any B1 errors at 1333MT/s. If 1600MT/s is not fast enough for your needs and you find 1866MT/s is unstable, try relaxing the CL (CAS) timing by 1 or 2 clock cycles, e.g. if CL=11 at 1866, increase the value to 12 or 13. It might make 4 sticks of RAM more stable.

You might consider running MemTest86 at 1866 to see if the current timings are stable.

Thanks for your suggestions here. I was running it at DDR3-1600 originally so I backed down to DDR3-1333.

But I still got the b1 error code after shutting down 3 times. Didn't get the code the first two times, but got it on the third. Still got through fine though after 1-2 minutes.

Here's what CPU-Z says if that helps you gather more ideas: View: https://imgur.com/a/XumtrFU


Appreciate the help!