Claymore's ZCash/BTG AMD GPU Miner v12.6 (Windows/Linux)

[sorry2xs]

if you use risers here is what i have discovered they are crap

[1714676996]

1714676996

[EinsteinTX]

I have several rx480s using Boysie's ROMs, getting 30 MH/s on ETH, using Claymore ETH/DCR 7.4.  I installed Claymore 7.0 for ZEC, getting roughly 160 H/s on the same rx480s.  I decide to switch back to ETH, but now I only get 15 MH/s.  Yes, a 50% drop!  If I install the stock ellesmere ROM, I get 24 Mh/s, and can boost that to 27 Mh/s with tweaks as usual.  However, it seems the ZEC Claymore application 'BREAKS' the hashrate of the Claymore ETH application, if using a modified ROM.  More importantly, this is permanent.  Well, semi-permanent.  I found if I COMPLETELY REINSTALL my OS and switch video cards between workers - essentially completely start from scratch, I can get them back to 30 MH/s.  However, if I run Claymore 7.0 on ZEC just ONCE, they drop back down to 50%.  Anyone have any idea what is getting switched?  I thought it might be registry settings, so I restored the registry.  No good.  The only thing I can find that fixes it is a complete reinstall of the OS, in addition to erasing motherboard BIOS.

[adaseb]

Finally a Bull Flag on ZEC that actually worked.

[adaseb]

I have several rx480s using Boysie's ROMs, getting 30 MH/s on ETH, using Claymore ETH/DCR 7.4.  I installed Claymore 7.0 for ZEC, getting roughly 160 H/s on the same rx480s.  I decide to switch back to ETH, but now I only get 15 MH/s.  Yes, a 50% drop!  If I install the stock ellesmere ROM, I get 24 Mh/s, and can boost that to 27 Mh/s with tweaks as usual.  However, it seems the ZEC Claymore application 'BREAKS' the hashrate of the Claymore ETH application, if using a modified ROM.  More importantly, this is permanent.  Well, semi-permanent.  I found if I COMPLETELY REINSTALL my OS and switch video cards between workers - essentially completely start from scratch, I can get them back to 30 MH/s.  However, if I run Claymore 7.0 on ZEC just ONCE, they drop back down to 50%.  Anyone have any idea what is getting switched?  I thought it might be registry settings, so I restored the registry.  No good.  The only thing I can find that fixes it is a complete reinstall of the OS, in addition to erasing motherboard BIOS.

I switched back and forth on multiple rigs with hacked bios's with both Windows 7 and Windows 10 and I never got this issue.

However you are not the first person that this has happened too.

[sorry2xs]

Finally a Bull Flag on ZEC that actually worked.

now how long will the bull flag last

[luciferdark]

wait new version =)

[AKRO]

if you use risers here is what i have discovered they are crap

I haven't had an issue with them, maybe with another miner or the first few versions of claymore, but I see no difference. at least with powered USB risers.

[Altcoining]

if you use risers here is what i have discovered they are crap

I haven't had an issue with them, maybe with another miner or the first few versions of claymore, but I see no difference. at least with powered USB risers.

No difference here.

[sorry2xs]

my experience is as follows i bought 30 v.3 usb risers 10 of the are in current use another ten are in the recycling bin and the remainder are new for spares

[Altcoining]

my experience is as follows i bought 30 v.3 usb risers 10 of the are in current use another ten are in the recycling bin and the remainder are new for spares

I just bought a V3, solder is fucked up... Returning and buying the V6

[verjic]

Hello,

Did anyone modded BIOS of R9 380 to rise the hashrate for ZEC? At his moment I use this modded BIOS: https://bitcointalk.org/index.php?topic=1620733.0 , which is good for ETH ( I get 23.8 MHS stable ), but on ZEC I just get about 125 H/s from 118 H/s with standart BIOS. I did not find any thread where someone did hack R9 380 BIOS to get high hashrate on ZEC. If anyone know, please point me. Thank You!

[AKRO]

Hello,

Did anyone modded BIOS of R9 380 to rise the hashrate for ZEC? At his moment I use this modded BIOS: https://bitcointalk.org/index.php?topic=1620733.0 , which is good for ETH ( I get 23.8 MHS stable ), but on ZEC I just get about 125 H/s from 118 H/s with standart BIOS. I did not find any thread where someone did hack R9 380 BIOS to get high hashrate on ZEC. If anyone know, please point me. Thank You!

I think using V2.0 or something I had one fetch a nice 15% increase but after managing my layouts and trying stuff out i reverted to the original bios, can't hurt to try if you don't mind the downtime.

[riser]

For r9 390 bios have? my card give 31mh on eth and 6xr9 390 1280 sol.

[Aetsen]

my experience is as follows i bought 30 v.3 usb risers 10 of the are in current use another ten are in the recycling bin and the remainder are new for spares

I just bought a V3, solder is fucked up... Returning and buying the V6

Link to these risers?

[yan32768]

i meet the trouble:
intel h61 no problem
amd 770t,p55 will be crashed with xfx 470 cards, the driver is 16.9.2 or 16.11.4
the same rig,with amd 270 ,is no problem.
see below:

<sup>ZEC: 1 pool is specified
Main ZCash pool is zec.f2pool.com:3357

Catalyst 15.12 is REQUIRED for best performance and compatibility
At least 16 GB of Virtual Memory is required for multi-GPU systems
Make sure you defined GPU_MAX_ALLOC_PERCENT 100
Be careful with overclocking, use default clocks for first tests
Press "s" for current statistics, "0".."9" to turn on/off cards, "r" to reload pools
NOTE: miner uses 3000 rounds to calculate average speed, so it may take about a minute to get correct speed.
OpenCL initializing...

AMD Cards available: 1
GPU #0: Ellesmere, 3072 MB available, 32 compute units
POOL version
GPU #0 intensity 4
Total cards: 1</sup>

then the window tip: '........ stop working' and exit

[manoe]

my experience is as follows i bought 30 v.3 usb risers 10 of the are in current use another ten are in the recycling bin and the remainder are new for spares

I just bought a V3, solder is fucked up... Returning and buying the V6

Link to these risers?

This is a pretty good price for the ver 006 pcie risers  

https://m.alibaba.com/product/60523225379/Pci-e-x16-riser-debug-card.html?spm=a2706.7835511.1998800311.19.jLxtdu

[verjic]

Hello,

Did anyone modded BIOS of R9 380 to rise the hashrate for ZEC? At his moment I use this modded BIOS: https://bitcointalk.org/index.php?topic=1620733.0 , which is good for ETH ( I get 23.8 MHS stable ), but on ZEC I just get about 125 H/s from 118 H/s with standart BIOS. I did not find any thread where someone did hack R9 380 BIOS to get high hashrate on ZEC. If anyone know, please point me. Thank You!

I think using V2.0 or something I had one fetch a nice 15% increase but after managing my layouts and trying stuff out i reverted to the original bios, can't hurt to try if you don't mind the downtime.

What do you mean V2.0?

[Altcoining]

my experience is as follows i bought 30 v.3 usb risers 10 of the are in current use another ten are in the recycling bin and the remainder are new for spares

I just bought a V3, solder is fucked up... Returning and buying the V6

Link to these risers?

http://www.ebay.com/itm/182293910222

This is where i bought mine from, they come from Texas (USA) so shipping is fast in the USA.

[ffthomas]

my experience is as follows i bought 30 v.3 usb risers 10 of the are in current use another ten are in the recycling bin and the remainder are new for spares

I just bought a V3, solder is fucked up... Returning and buying the V6

Link to these risers?

http://www.ebay.com/itm/182293910222

This is where i bought mine from, they come from Texas (USA) so shipping is fast in the USA.

I use the V005 type since August without any problems - yet.

[Yerba]

Can someone explain why this is happening. V7 works flawless however I have noticed my speeds on one card drop a fair wack.

GPU0 167.471 H/s, GPU1 84.808 H/s for some reason my 2nd 280x card is only doing half hash rate. Any ideas as to what the cause of this is. Thanks in advance.

Dont overclock keep everything stock. Including bios.

They are on stock settings and stock bios on my MSI 280x cards other than the default bios from site to fix heating problem that resolved years ago. No OC done and all factory default so got no idea what going on with the 2nd card think gone into limp mode lol.

k
Try plugging in a monitor or display emulator to it.

I have since reinstalled drivers rebooted seems to done the trick not sure what went on their also had another problem with the miner crashing my system last night so not sure what going on. bugs in matrix I guess. Going to have to keep eye on me system.

I had same problem. 4 cards of 6 were working at 80 sol, other two at 170. Drivers ( tried the newest ) SDK platform etc etc caused this problem ( check claymore log ). Reinstalled windows with 15.12 drivers and all works like a charm.