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Topic: FPGA development board "Lancelot" - accept bitsteam developer's orders. - page 5. (Read 101887 times)

hero member
Activity: 728
Merit: 540
With cgminer 2.4.2 (which I know is not showing HW errors) and --icarus-timing=90

Quote
GPU 0:  70.0C 1893RPM | 327.7/342.3Mh/s | A:24 R:0 HW:0 U:  4.22/m I: 4
 ICA 0:                             | 344.2/451.4Mh/s | A:43 R:0 HW:0 U:  7.56/m

I have no idea if this is good or bad

U 7.56/m means 550MH/s

Then this is good Smiley

ALtho, it's probably an illusion from some statistical variance

Quote
GPU 0:  70.0C 1894RPM | 326.8/331.8Mh/s | A:141 R:1 HW:0 U:  4.22/m I: 4
 ICA 0:                            | 282.6/424.1Mh/s | A:200 R:2 HW:0 U:  5.99/m

That's 430 MH/s
hero member
Activity: 592
Merit: 501
We will stand and fight.
With cgminer 2.4.2 (which I know is not showing HW errors) and --icarus-timing=90

Quote
GPU 0:  70.0C 1893RPM | 327.7/342.3Mh/s | A:24 R:0 HW:0 U:  4.22/m I: 4
 ICA 0:                             | 344.2/451.4Mh/s | A:43 R:0 HW:0 U:  7.56/m

I have no idea if this is good or bad

U 7.56/m means 550MH/s
hero member
Activity: 728
Merit: 540
With cgminer 2.4.2 (which I know is not showing HW errors) and --icarus-timing=90

Quote
GPU 0:  70.0C 1893RPM | 327.7/342.3Mh/s | A:24 R:0 HW:0 U:  4.22/m I: 4
 ICA 0:                             | 344.2/451.4Mh/s | A:43 R:0 HW:0 U:  7.56/m

I have no idea if this is good or bad
hero member
Activity: 728
Merit: 540
Wow ! very good news ! Thank you Ngzhang !

I'll try that asap


ps: it's named "42" of course Smiley
hero member
Activity: 592
Merit: 501
We will stand and fight.
https://github.com/ngzhang/Lancelot

all hardware documents released.

also released a 460~ 520 MH/s bitsteam for Lancelot.

for test purpose only. please carefully test it with the bit file before flash the MCS file into the EEPROM.

Temporarily no technical support for the new bitsteam, Busy with Avalon.
hero member
Activity: 560
Merit: 500
Spartan-6 chips are actually quite a bit worse at Bitcoin mining than comparably-sized Virtex ones, it's just that the price difference more than makes up for it.
Word. I'm running -3I chips and max out at 300Mhps per chip.
hero member
Activity: 686
Merit: 564
I'm moving my 'demo' single XUPV5 with SINGLE core FROM 160MH/s to 200MH/s later today.
so based on that, two XUPV5 should give me 400MH/s,   therefore  Two spartan 6 with dual core should be hitting 800MH/s!!!
Nope, single core each. Spartan-6 chips are actually quite a bit worse at Bitcoin mining than comparably-sized Virtex ones, it's just that the price difference more than makes up for it.
full member
Activity: 196
Merit: 100


400MH/S from DUAL spartan6 with two cores each. That is FUCKING tragic.

I'm moving my 'demo' single XUPV5 with SINGLE core FROM 160MH/s to 200MH/s later today.
so based on that, two XUPV5 should give me 400MH/s,   therefore  Two spartan 6 with dual core should be hitting 800MH/s!!!

Plus the shit XUPV5 is only hitting 43 deg. C with an ambient of 25 Deg. C.

HC.
hero member
Activity: 585
Merit: 501
LancelotQC runs with around 32°C on the original bistream. i would like to run the x6500 overclocker bitstream, does someone know if that bitstream is adjustable for lancelot??
http://www.fpgamining.com/documentation/firmware
http://www.fpgamining.com/content/03-documentation/03-firmware/x6500-overclocker-0402.bit
sr. member
Activity: 273
Merit: 250
If you are interested in buying Icarus boards to mine today, then upgrade it to ASIC whenever avalon ASIC is available, check my Icarus sale thread here: https://bitcointalksearch.org/topic/sold-discounted-icarus-fpga-upgradable-to-avalon-asic-115154
legendary
Activity: 1029
Merit: 1000
No one exept ngzhang, but it seems that he is no longer visit this topic. Shame, really shame. And its always about money...
sr. member
Activity: 473
Merit: 250
Sodium hypochlorite, acetone, ethanol
can anyone confirm?
hero member
Activity: 607
Merit: 500
is the new bitstream project just stale or cancel?
hero member
Activity: 728
Merit: 540
legendary
Activity: 1610
Merit: 1000
Don't bother loshia. Spartan3 500k will not perform faster than 2MH/s....
it is spartan 6 and it is performing...The git file source has been edited probably and what i see is commented
legendary
Activity: 1029
Merit: 1000
Don't bother loshia. Spartan3 500k will not perform faster than 2MH/s....
legendary
Activity: 1610
Merit: 1000
Hmmmm... I haven't blown up any FPGAs lately. This is bitstream-compatible with Icarus, right?

AFAIK yes;
Yes it is. The difference between cm1 and icarus should be


https://github.com/ngzhang/Icarus/blob/master/FPGA_project/Src/fpgaminer_top.ucf
# UCF for a Nexys2 500K board
NET "osc_clk" LOC = "J1";

# serial port receive & transmit
NET "RxD" LOC = "D1";
NET "TxD" LOC = "B1";

# TTL level serial port: ja3 = rxd, ja2 = txd
NET "extminer_txd<0>" LOC = "D22";
NET "extminer_rxd<0>" LOC = "B22";

there is a chance your bitstream to work on one core only....

makomk, what do you think about that? Will your bitstream work?
hero member
Activity: 728
Merit: 540
Hmmmm... I haven't blown up any FPGAs lately. This is bitstream-compatible with Icarus, right?

AFAIK yes;
hero member
Activity: 686
Merit: 564
Hmmmm... I haven't blown up any FPGAs lately. This is bitstream-compatible with Icarus, right?
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