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Add documentation for minirig/nonce range support.

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This commit is contained in:
Con Kolivas 2012-07-06 18:58:41 +10:00
parent 57e38d059e
commit 80349ab11d
2 changed files with 71 additions and 50 deletions
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12
FPGA-README
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@ -1,6 +1,18 @@
This README contains extended details about FPGA mining with cgminer This README contains extended details about FPGA mining with cgminer
Bitforce
--bfl-range Use nonce range on bitforce devices if supported
This option is only for bitforce devices. Earlier devices such as the single
did not have any way of doing small amounts of work which meant that a lot of
work could be lost across block changes. Some of the "minirigs" have support
for doing this, so less work is lost across a longpoll. However, it comes at
a cost of 1% in overall hashrate so this feature is disabled by default. It
is only recommended you enable this if you are mining with a minirig on
p2pool.
Icarus Icarus

11
README
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@ -795,7 +795,9 @@ A; Try the --net-delay option.
Q: How do I tune for p2pool? Q: How do I tune for p2pool?
A: p2pool has very rapid expiration of work and new blocks, it is suggested you A: p2pool has very rapid expiration of work and new blocks, it is suggested you
decrease intensity by 1 from your optimal value, and decrease GPU threads to 1 decrease intensity by 1 from your optimal value, and decrease GPU threads to 1
with -g 1. with -g 1. It is also recommended to use --failover-only since the work is
effectively like a different block chain. If mining with a minirig, it is worth
adding the --bfl-range option.
Q: Are kernels from other mining software useable in cgminer? Q: Are kernels from other mining software useable in cgminer?
A: No, the APIs are slightly different between the different software and they A: No, the APIs are slightly different between the different software and they
@ -812,6 +814,13 @@ They are Field-Programmable Gate Arrays that have been programmed to do Bitcoin
mining. Since the acronym needs to be only 3 characters, the "Field-" part has mining. Since the acronym needs to be only 3 characters, the "Field-" part has
been skipped. been skipped.
Q: How do I get my BFL device to auto-recognise?
A: They are only automatically recognised on linux, and no option needs to be
passed to them. The only thing that needs to be done is to load the driver for
them, which on linux would require:
sudo modprobe ftdi_sio vendor=0x0403 product=0x6014
--- ---
This code is provided entirely free of charge by the programmer in his spare This code is provided entirely free of charge by the programmer in his spare