OPENSOURCE HARDWARE BOARD: P7-LX150Q

[GalaxyASIC]

When will you have Kintex-7 XC7K325T-1FB676C based design ready?
I can get them very cheap $150 to $110 based on quantity.

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[pusle]

From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck.
The K325T costs about two times more and it's easier to deal with a smaller package.

There is no schedule yet for the 28nm version.

[Intra]

how much megahash per second doing this board?

[KS]

From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck.
The K325T costs about two times more and it's easier to deal with a smaller package.

There is no schedule yet for the 28nm version.

Half the price, half the logic -> probably half the hash speed -> what's the point?

[TheSeven]

From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck.
The K325T costs about two times more and it's easier to deal with a smaller package.

There is no schedule yet for the 28nm version.

Half the price, half the logic -> probably half the hash speed -> what's the point?

"two times more" would translate into "a third of the price"...

[papamoi]

hi

do you have the vhdl for this one?

[KS]

From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck.
The K325T costs about two times more and it's easier to deal with a smaller package.

There is no schedule yet for the 28nm version.

Half the price, half the logic -> probably half the hash speed -> what's the point?

"two times more" would translate into "a third of the price"...

So, if I follow you correctly, you would advise getting a device 50% slower to save 30% on price. I don't find that enticing.

[TheSeven]

From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck.
The K325T costs about two times more and it's easier to deal with a smaller package.

There is no schedule yet for the 28nm version.

Half the price, half the logic -> probably half the hash speed -> what's the point?

"two times more" would translate into "a third of the price"...

So, if I follow you correctly, you would advise getting a device 50% slower to save 30% on price. I don't find that enticing.

To pay 30% of the price!

[pusle]

getting 25k slices and 600DSP blocks for 100$ is better than 50k slices and 840DSP blocks for 200$.
The package is cheaper too so the price might be even better in favor of the K160 and higher volume = lower price.

Another benefit with a smaller package is easier and simpler pcb layout and it hurts less for each part that doesn't work due to bad soldering etc

[KS]

From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck.
The K325T costs about two times more and it's easier to deal with a smaller package.

There is no schedule yet for the 28nm version.

Half the price, half the logic -> probably half the hash speed -> what's the point?

"two times more" would translate into "a third of the price"...

So, if I follow you correctly, you would advise getting a device 50% slower to save 30% on price. I don't find that enticing.

To pay 30% of the price!

K160 ≃ 90USD/100pcs
K325 ≃ 110-150USD /?

Where do you get the 70% reduction in cost? (pcb + 4 xilinx -> ? -> -70%)

[pusle]

quote for the K325 in 100pcs was 187USD

[KS]

quote for the K325 in 100pcs was 187USD

right, but the maths still don't show a 70% reduction. you get a bit more than 50% reduction for the kintex but you still have the pcb cost, so you save less than 50%.

anyway...

[nbtcminer]

very nice work I'm a big fan of the x6500 team and was hoping some of you would get back into making gear again. Thank you for releasing this as an open source project!