2.2nF in the docs  |
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Same according to the .brd file FB25 LISTING: 1 element(s)
< COMPONENT INSTANCE >
Reference Designator: FB25
Package Symbol: FB0805
Component Class: IC
Device Type: FERRITE BEAD_FB0805_300OHM@100M
Value: 300ohm@100MHz,1.5A
Placement Status: PLACED
origin-xy: (1260.00 -190.00)
rotation: 0.000 degrees
not_mirrored
Function(s):
Designator: F175
Type: FERRITE BEAD_FB0805_300OHM@100M
Pin(s): 1, 2
Properties attached to component instance
ROOM = OCD_MICJACK
Properties attached to component definition
VALUE = 300ohm@100MHz,1.5A
Pin IO Information:
Pin Type SigNoise Model Net
--- ---- -------------- ---
1 UNSPEC VBUS
2 UNSPEC VCC5V
FB26 LISTING: 1 element(s)
< COMPONENT INSTANCE >
Reference Designator: FB26
Package Symbol: FB0805
Component Class: IC
Device Type: FERRITE BEAD_FB0805_300OHM@100M
Value: 300ohm@100MHz,1.5A
Placement Status: PLACED
origin-xy: (1475.00 -229.90)
rotation: 180.000 degrees
not_mirrored
Function(s):
Designator: F174
Type: FERRITE BEAD_FB0805_300OHM@100M
Pin(s): 1, 2
Properties attached to component instance
ROOM = OCD_MICJACK
Properties attached to component definition
VALUE = 300ohm@100MHz,1.5A
Pin IO Information:
Pin Type SigNoise Model Net
--- ---- -------------- ---
1 UNSPEC GND_USB
2 UNSPEC GND_MCU
Someone else will know if directional or can be jumped etc. |
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For some reason my units are dropping like flies. In the past 24hr three units have burned the USB ferrite bead. I can't seem to make any connections for why this is happening, one unit has VOLT mod 1; two bridges, has been running for a month. The other two have "R-52 or R139" mod with 47k and 50k resistor, also been running stable for a month. None of the units shared the same USB hub so I crossed that off the list of possible failures, two shared the same power supply but the ferrite bead that burned is for the USB hense 5volts so not sure if that would have mattered. I am lost finding any correlations between the units that failed, possibly just a coincidence or a weak part, but its suspicious that 3 have failed in the past 24. We shall see, now have to order new parts and wait to get them back online.
That sucks. Very strange also. 3 different mods, 2 different power supplies. Same part blown on 3 boards. Tell us more about the power supplies you have. |
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nst6563 - I ordered a Fury when it had everything included too! I wasn't planning on buying anything but I couldn't pass that up. Zeus Blizzard should have 6 chips now (yesterday's update) so potentially 1.5 Mh/s so I really hope that is what a Fury ends up being. Fingers crossed.
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I see this NMOS_D_PPAK_2_LFPAK_09N03 with the .brd file I have 1 pod that came with only 2 mosfets on the board (the pod that went into meltdown) This photo shows what is underneath the mosfet.  |
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Hi everyone, I picked up some more gridseeds, however this time when they arrived they were silver, and they seem to be pulling 12.5 watts stock on my power meter. My previous gold ones pulled about 8 watts. Is there a major difference between the silver and the gold? I am currently using autotune to see if the extra voltage being pulled translates in to higher overclocks. It seems that they are used as well.. its possible that they have been volt modded somehow possibly? Anybody have any extra information about the different gridseed versions?
I haven't seen mention of silver pods. Very interesting. I have three version of gold. The oldest is darker, then some I'd describe as yellow gold and some I'd describe as white or light gold but not silver. 12.5 watts would be what you'd expect with vmod1 - the 2 bridges. Vmod1 would give you about 410 kh/s 975MHz to 1000MHz. |
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Sorry - I'm not using a Controlla either. I'd guess the issue is not the mod though (if done correctly) if you have problems at 800Mhz too. Too many people have reported success with vmod3. Have you tried a different pool?
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What frequency are you trying to run them at? I have one with 47.5k and the slowest chip only wants to do 1125MHz other chips will do 1150MHz or 1175MHz. Setting it all at 1150MHz works ok.
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This cgminer.conf example uses 3 pools and will rotate from one pool to the next every two hours: "rotate" : "120",cgminer will only look for up to 5 gridseeds: "usb" : "GSD:5",gridseed options are set as: "gridseed-options" : "baud=115200,freq=750,chips=5,modules=1,usefifo=0,btc=16"{
"pools" : [
{
"url" : "stratum+tcp://zzz.zzzz.zzz:5678",
"user" : "username",
"pass" : "x"
},
{
"url" : "stratum+tcp://zzz.zzzz.zzz:5678",
"user" : "username",
"pass" : "x"
},
{
"url" : "stratum+tcp://zzz.zzzz.zzz:5678",
"user" : "username",
"pass" : "x"
}
]
,
"api-listen" : true,
"api-mcast-port" : "4028",
"api-port" : "4028",
"expiry" : "120",
"hotplug" : "10",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "60",
"shares" : "0",
"rotate" : "120",
"kernel-path" : "/usr/local/bin",
"api-allow" : "W:127.0.0.1",
"usb" : "GSD:5",
"gridseed-options" : "baud=115200,freq=750,chips=5,modules=1,usefifo=0,btc=16"
}You don't have to use rotate. There are other options in cgminer help. cgminer will "write" a conf file for you and then you can edit it. |
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I have them running dual mode 750 MHz 8.5 to 8.75 Gh/s SHA-256 and 300kh/s Scrypt. Those are poolside numbers. The example I showed was in the cgminer.conf file not cmd line or batch file. I just run cgminer with no options - it reads everything from the cgminer.conf file. If your gridseeds are getting too hot then make sure your power supply and wiring are able to deliver the full 5 amps at 12 volts. That's 60 watts per gridseed in dual mode. Mine run warm. The oldest pod I have runs much warmer than newer pods and gives an occasional error at 750 MHz in dual mode. Also, I don't set the frequency for cpuminer in the batch file. I've found it makes no difference in dual mode. cpuminer just takes the 750 MHz set in cgminer.conf. I've run it like this for weeks. I have run one at 850 MHz dual mode 10 Gh/s, 350 kH/s for 12hrs but that required a volt mod and the watts went up to 64 watts which I think is too much for long term life of the pod so I stopped trying that. From the GC3355 chip docs I see a "half" mode that I can't figure out how to do. BTC mode up to 2.25G/s BTC Hash Rate, with 2.4W/GHash
LTC mode up to 60K/s LTC Hash Rate
Dual-Coin mode up to 1.75G/s BTC Hash Rate + 60K/s LTC Hash Rate,
or up to 2.25G/s BTC Hash Rate + 38K LTC Hash Rate The 1.75G/s BTC Hash Rate + 60K/s LTC Hash Rate per chip is what I get now at 750 Mhz (8.75 Gh/s SHA-256 and 300kh/s Scrypt). The 2.25G/s BTC Hash Rate + 38K LTC Hash Rate per chip is what I refer to as half mode. (11.25 Gh/s SHA-256 and 200kh/s Scrypt) I don't know how to do that. Going to 900 MHz works for cgminer SHA but results in nothing but errors in cpuminer Scrypt. I tried 900MHz cgminer, 450 MHz cpuminer but that didn't work. I'm just about done experimenting with dual mode though. It uses a lot of power and generates a lot of heat compared to Scrypt only. |
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HappyDaze you are now famous for your Operation CAMO... congrats on winning.
Thanks poopypants  pretty exciting to win a 5 chip Gridseed from GawMiners & Crypto Mining Blog! |
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thevictimofuktyranny - to answer some of your questions: The instructions on Crypto Mining Blog work well. I'm not sure what the BTC=16 instruction is, my guess is it is the difficulty. Most pools seem to automatically adjust anyway soon after you start mining. 1 instance of cgminer can run many Gridseeds. --hotplug=10 (seconds or more) seems to be necessary - unplug the usb, start cgminer, plug the usb in and cgminer will find the gridseeds. This post: https://bitcointalk.org/index.php?topic=482352.msg5650273#msg5650273 is very useful. You can use it to disable gridseed usb, then start cgminer, then enable usb. It's like unplugging without actually unplugging them. I clocked them up to 900 in SHA-256 mode. They may not all be capable of that. 750 seems to the max in dual mode. Do you want multiple instances of cgminer to mine different SHA coins? I haven't tried that. I find it easier to just run cgminer.exe with no instructions and let it read cgminer.conf The last two lines of my conf file look like this: (to limit it to 5 gridseeds for example) "usb" : "GSD:5", "gridseed-options" : "baud=115200,freq=750,chips=5,modules=1,usefifo=0,btc=16" open a cmd window, get to the dir where cgminer is located and run cgminer --help Lots of options there to choose from like rotate from one pool to the next based on time. I don't think many people are dual mining or SHA only mining with these so you will probably have to go through a lot of trial and error on your own getting it to work as you want. I'm switching over to scrypt only myself. |
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No, I haven't taken a photo of "SuperPod" or "FrankenPod"  This should give an idea of what I see:  When I removed the burnt chip I also removed the metal base of the chip. In hindsight, I think I should have removed the burnt top of the chip but left the metal base and making sure there were no electrical shorts. Someone may benefit from that mistake. My pod just has the woven PCB material there now with a bunch of small metal pinholes now. Chips 2,3 & 4 were working before the center chip went up in smoke. Now chips 0 and 4 work with the center chip removed. Chip 1 is the center chip. |
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No, I'm using windows.
If you or anyone here has or downloads the larger Allegro package and get a moment could you lift the center chip and tell me if you think all the DGND points under the chip need to be connected. You can drag the chip to the side and see all the connections. That's my latest plan to try to bring two more chips back online. I tried to build a solder pad there but it won't stick. Next is to try a conductive paint or I'll use small wires to connect all the points.
I'm looking for some opinions on whether all the DGND points under the chip (the center chip has been removed on this pod) need to be connected and if a conductive paint would be good enough. The two chips that are working are very happy at 1200Mhz, steady 200 kh/s for days now.
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I don't know enough about this stuff to answer. The Gridseed docs show 1.5A and the one in the link is 2A I think. Someone else here with more knowledge will be able to answer your question. This is what the Allegro software shows. The part I clicked on is highlighted in yellow.  |
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gbyg - When I check the .brd file in Allegro Viewer it looks like the two near E04M-330-16v are the same:
Reference Designator: C9
Package Symbol: C1206
Component Class: IC
Device Type: C0805_C1206_10UF/16V
Value: 10uF/16v
Designator: F333
Reference Designator: C10
Package Symbol: C1206
Component Class: IC
Device Type: C0805_C1206_10UF/16V
Value: 10uF/16v
Designator: F334
and the one over by K3-OCV-1500-2.5v is:
Reference Designator: C205
Package Symbol: C1206
Component Class: DISCRETE
Device Type: CAP NP_C1206_DISCRETE_22UF
Value: 22uF
Designator: F206
C12 is that large capacitor labeled E04M-330-16v on the .brd file that you can download from Github.
If you haven't already, make sure to inspect around all the pins the Gridseed GC3355 chips. The solder under the center one on mine oozed out when I messed up one pod testing it after a volt mod.
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I ordered the 1 Mh/s Fury to try. According to the website it comes with everything I'd need. I don't know if that's a promo for members or if that's for new customers too but it seems like a good deal to me.
1 x SD CARD ready for Raspberry Pi with GAW Miners firmware.
1 x USB DATA cables to use with Raspberry Pi
1 x Raspberry Pi Power cable for standard Power supply unit (4 PIN Connection)
1 x Raspberry Pi
1 x Power Supply Unit
1 x Ethernet cable for Raspberry Pi to your router.
I messed up one of my Gridseeds trying to do a voltmod so this is a nice 2 x replacement for that.
This is my second order from GAW Miners and the first order went very well. I wonder if I can run my Gridseeds and the Fury together on the new Raspberry Pi
? Time will tell. Hopefully it is running something like Sandors cpuminer with autotune.
I would have liked loved to order the Black Widow 13 MH/S+ but maybe next time.
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What mining software works with these new miners? Are they GC3355 chips?
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