Post
Topic
Board Mining (Altcoins)
Re: AMD Mem Tweak XL - Read/modify timings/pp/straps on the fly
by
mikebzh44
on 30/09/2020, 20:03:37 UTC
Hello.

I just bought a Sapphire Pulse Vega 56 and I have Hynix memory :

Code:
amdmemtool --current
GPU 0:  Vega 10 XL/XT [Radeon RX Vega 56/64]    pci:0000:03:00.0
Memory state: 1000MHz
Memory: Hynix HBM2
Timing 1:         CL: 20          RAS: 33         RCDRD: 16       RCDWR: 10
Timing 2:         RCAb (RC): 47   RCPb (RC): 47   RPAb (RP): 14   RPPb (RP): 14
Timing 3:         RRDS: 4         RRDL: 6         RTP: 5
Timing 4:         FAW: 16
Timing 5:         CWL: 7          WTRS: 4         WTRL: 9
Timing 6:         WR: 16
Timing 7:         RREFD: 8
Timing 8:         RDRDDD: 3       RDRDSD: 2       RDRDSC: 1       RDRDSCL: 3
Timing 9:         WRWRDD: 3       WRWRSD: 2       WRWRSC: 1       WRWRSCL: 3
Timing 10:        WRRD: 1         RDWR: 19
Timing 12:        REF: 7000
Timing 13:        MRD: 8          MOD: 15
Timing 14:        XS: 270
Timing 16:        XSMRS: 8
Timing 17:        PD: 8           CKSRE: 10       CKSRX: 10
Timing 20:        RFCPB: 160      STAG: 7
Timing 21:        XP: 8           CPDED: 2        CKE: 8
Timing 22:        RDDATA: 19      WRLAT: 5        RDLAT: 14       WRDATA: 1
Timing 23:        CKESTAG: 2
RFC Timing:       RFC: 260

I have flash this card with a Sapphire Vega 64 BIOS :

https://www.techpowerup.com/vgabios/205360/sapphire-rxvega64-8192-170914

But this BIOS is for Samsung memory.

Is there a Vega 64 BIOS for Hynix memory ? Or I can use this Vega 64 ROM ?

Did you have some good settings for a good hashrate ? I already have a Vega 64 in my rig and it's very stable with thoses settings :

https://www.youtube.com/watch?v=xJWWEecwZoU&ab_channel=BuriedONE

Phoenix-ETH report 51 MH/s and 160W

I hope I can get close to it with my vega 56.

Thanks.