I get the same speeds as him. No idea if the 7970/280x are bios modded however, might of changed them back to stock. The 290 is stilt bios modded however.
Rock solid stable
Topic: Hacked Modified Memory Strap BIOS Database for ZEC MINING! - page 7. (Read 78515 times)
V9 Claymore
270x – 144 H/s
280x – 228 H/s
290x – 290 H/s
7970m – 125 H/s
270x – 144 H/s
280x – 228 H/s
290x – 290 H/s
7970m – 125 H/s
Are they stable? whats your clock settings and voltage on 280x?
I lowered the TDP and powertune on mine to be stable, 20 sols less than yours.
V9 Claymore
270x – 144 H/s
280x – 228 H/s
290x – 290 H/s
7970m – 125 H/s
270x – 144 H/s
280x – 228 H/s
290x – 290 H/s
7970m – 125 H/s
R9 280x (Sapphire Toxic, Elpida) = 238-240 sol/s per card my maximum.
Would you upload your bios and settings? 
R9 280x (Sapphire Toxic, Elpida) = 238-240 sol/s per card my maximum.
Claymore 8 doesnt need modded straps really, wont change much
Good to know. I just tried to flash all my cards. Thanks 
Meh, my 380 does over 25MH/s with custom timings, so guessing Tahiti has just reached its limit on Eth.
Tahiti has TLB trashing bug for large arrays ...I know, that's why.
Claymore 8 doesnt need modded straps really, wont change much
Thank you
Claymore 8 doesnt need modded straps really, wont change much
I didn't understand if we are able to mod the straps on Hawaii 390. Does someone have experience with it ?
Yeah its really strange. You sure its a 280x/7970 and not a 7950???
How do these straps do on Eth?
0.5Mhs better than stock.
Yeah at most its like 0.5MHs or so.
Meh, my 380 does over 25MH/s with custom timings, so guessing Tahiti has just reached its limit on Eth.
@adaseb
Bit late to the game but thinking to build a cheap rig with 280x and 7970s. $80~$100 bucks a piece locally. Worth it? Reckon I can build a 6 card rig for $1000-ish and with 1.2~1.3kSol ROI in roughly 3 months at current ZEC price. I have free electricity. I could go for 290x but they go for ~$150 a piece second hand around here. Thoughts?
Bit late to the game but thinking to build a cheap rig with 280x and 7970s. $80~$100 bucks a piece locally. Worth it? Reckon I can build a 6 card rig for $1000-ish and with 1.2~1.3kSol ROI in roughly 3 months at current ZEC price. I have free electricity. I could go for 290x but they go for ~$150 a piece second hand around here. Thoughts?
Meh, my 380 does over 25MH/s with custom timings, so guessing Tahiti has just reached its limit on Eth.
Tahiti has TLB trashing bug for large arrays ... Yeah its really strange. You sure its a 280x/7970 and not a 7950???
How do these straps do on Eth?
0.5Mhs better than stock.
Yeah at most its like 0.5MHs or so.
Meh, my 380 does over 25MH/s with custom timings, so guessing Tahiti has just reached its limit on Eth.
Yeah unless there is some way to change the DAG slowdown.
Yeah its really strange. You sure its a 280x/7970 and not a 7950???
How do these straps do on Eth?
0.5Mhs better than stock.
Yeah at most its like 0.5MHs or so.
This is the strap present on sapphire toxic trix. Identical to the strap below from modified asus bios.
toxic - stock mem strap
Asus - moddded stap
The hex are identical but why cant the stock 1150/1600 1.256V on toxic reach 220sol/s. (@ 201 -207sol/s only)
I settled at 1010/1375 at 1.018V hashing at 195sol/s.
toxic - stock mem strap
Quote
409C0000333133200000000084942210F05409060F0BA2010023800022AA1C00120114208A8800A 00000012006050B0C110C100D - 400
803801005551332000000000E7AC352050550B0D1A9734030024810022AA1C004B0614209A8800A 0000001200C08151921181B11 - 800
905F010055513320000000002931462450550C0D1C18A5030026A10022AA1C004B0714209A8800A 0000001200D0A181B25191D11 - 900
A0860100555133200000000029B5462750550C0D1E9905040026A20022AA1C004B081420AA8800A 0000001200E0A1A1E281A1F11 - 1000
74B7010055513320000000006BBD572D60550D0E229C96040028C30022BB1C00530A1420BA8800A 000000120100C1E222E1D2312 - 1125
48E8010077713320000000008CC5583160550F0F251E17050048C40022CC1C005C0B14204A8900A 000000120120D2025321F2613 - 1250
1C1902007771332000000000ADCD693770550F1029219805004AE50022EE1C00640D14205A8900A 000000120140E242A38222A14 - 1375
F04902007771332000000000CE516A3B705510102BA21806004AE60022009D00640E14206A8900A 000000120150F272D3C232C14 - 1500
C47A02007771332000000000105A7B41805511112EA59906004C060122119D006C0F14206A8900A 00000012017112B3142262F15 - 1625
98AB0200777133200000000031627C478055111130A71A07004C060122229D006C0F14206A8900A 00000012019122F3648283115 - 1700
803801005551332000000000E7AC352050550B0D1A9734030024810022AA1C004B0614209A8800A 0000001200C08151921181B11 - 800
905F010055513320000000002931462450550C0D1C18A5030026A10022AA1C004B0714209A8800A 0000001200D0A181B25191D11 - 900
A0860100555133200000000029B5462750550C0D1E9905040026A20022AA1C004B081420AA8800A 0000001200E0A1A1E281A1F11 - 1000
74B7010055513320000000006BBD572D60550D0E229C96040028C30022BB1C00530A1420BA8800A 000000120100C1E222E1D2312 - 1125
48E8010077713320000000008CC5583160550F0F251E17050048C40022CC1C005C0B14204A8900A 000000120120D2025321F2613 - 1250
1C1902007771332000000000ADCD693770550F1029219805004AE50022EE1C00640D14205A8900A 000000120140E242A38222A14 - 1375
F04902007771332000000000CE516A3B705510102BA21806004AE60022009D00640E14206A8900A 000000120150F272D3C232C14 - 1500
C47A02007771332000000000105A7B41805511112EA59906004C060122119D006C0F14206A8900A 00000012017112B3142262F15 - 1625
98AB0200777133200000000031627C478055111130A71A07004C060122229D006C0F14206A8900A 00000012019122F3648283115 - 1700
Asus - moddded stap
Quote
409C0000333133200000000084942210F05409060F0BA2010023800022AA1C00120114208A8800A 00000012006050B0C110C100D - 400
803801005551332000000000E7AC352050550B0D1A9734030024810022AA1C004B0614209A8800A 0000001200C08151921181B11 - 800
A086010055513320000000002931462450550C0D1C18A5030026A10022AA1C004B0714209A8800A 0000001200D0A181B25191D11 - 1000
1C190200555133200000000029B5462750550C0D1E9905040026A20022AA1C004B081420AA8800A 0000001200E0A1A1E281A1F11 - 1375
785D020055513320000000006BBD572D60550D0E229C96040028C30022BB1C00530A1420BA8800A 000000120100C1E222E1D2312 - 1550
1098020077713320000000008CC5482F60550F0F251E17050048C40022CC1C005C0B14204A8900A 000000120120D2025321F2613 - 1700
30E602007771332000000000ADCD492F70550F1029219805004AE50022EE1C00640D14205A8900A 000000120140E242A38222A14 - 1900
400D03007771332000000000CE514A2F705510102BA21806004AE60022009D00640E14206A8900A 000000120150F272D3C232C14 - 2000
503403007771332000000000105A5B32805511112EA59906004C060122119D006C0F14206A8900A 00000012017112B3142262F15 - 2100
605B0300777133200000000031625C348055111130A71A07004C060122229D006C0F14206A8900A 00000012019122F3648283115 - 2200
803801005551332000000000E7AC352050550B0D1A9734030024810022AA1C004B0614209A8800A 0000001200C08151921181B11 - 800
A086010055513320000000002931462450550C0D1C18A5030026A10022AA1C004B0714209A8800A 0000001200D0A181B25191D11 - 1000
1C190200555133200000000029B5462750550C0D1E9905040026A20022AA1C004B081420AA8800A 0000001200E0A1A1E281A1F11 - 1375
785D020055513320000000006BBD572D60550D0E229C96040028C30022BB1C00530A1420BA8800A 000000120100C1E222E1D2312 - 1550
1098020077713320000000008CC5482F60550F0F251E17050048C40022CC1C005C0B14204A8900A 000000120120D2025321F2613 - 1700
30E602007771332000000000ADCD492F70550F1029219805004AE50022EE1C00640D14205A8900A 000000120140E242A38222A14 - 1900
400D03007771332000000000CE514A2F705510102BA21806004AE60022009D00640E14206A8900A 000000120150F272D3C232C14 - 2000
503403007771332000000000105A5B32805511112EA59906004C060122119D006C0F14206A8900A 00000012017112B3142262F15 - 2100
605B0300777133200000000031625C348055111130A71A07004C060122229D006C0F14206A8900A 00000012019122F3648283115 - 2200
The hex are identical but why cant the stock 1150/1600 1.256V on toxic reach 220sol/s. (@ 201 -207sol/s only)
I settled at 1010/1375 at 1.018V hashing at 195sol/s.
Same memory type?
Yes both hynix H5GQ2H24AFR
do have someone straps for the Elpida Memory (Sapphire R9 280x Toxic)
I found the hacked Modified Memory Strap does not affect the ZCash mining with the V8. It did with V7.
Yeah its really strange. You sure its a 280x/7970 and not a 7950???
How do these straps do on Eth?
Yeah its really strange. You sure its a 280x/7970 and not a 7950???
How do these straps do on Eth?
0.5Mhs better than stock.
Yeah its really strange. You sure its a 280x/7970 and not a 7950???
Its 280x. its this card.
http://www.sapphiretech.com/productdetial.asp?pid=5EBEEBEC-144A-4A68-A5DE-67E25BD9B9CE&lang=eng
I also checked the mem strap on
https://www.techpowerup.com/vgabios/157472/sapphire-r9280x-3072-140310
for this card. its the same. I think memory strap are tight right from production.
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