Topic: Problem with New R-Box 110-130 hashing speed (Read 2083 times)

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I have receveid my rockminer in one week but
- led blue statut  never work or work 5 sec sometme and stop for a few time
- mining a 50/60 ghs max (i have tested all frequence to 270 at 350 but it fixed at 55 - 60 ghs)

i have tested on w7 with cgminer all version and zdig ok

and now on linux distro ubuntu with cgminer and the problem is same
the temps is 37 to 40 c°

is the material is hs ?

the power supply is a corsair 500 w 6 pin

 have yous a idea ?

it seems that the internal weld is not top, the mini USB connector is very fragile and can be easily desoldering . I think that there is a big worry manufacturing with full manufacturing defects

Gentlemen,
I'm new to bitcoin mining and bought a new r-box 110-130 just 2 days ago. I downloaded and installed the usb driver using zadig, and installed cgminer 4.8.0 and just started mining!
The problem is hashing speed is hardly reaching 2 G ( yes .. with average of 0.75 G).
The cgminer.conf shows as the following:
{
"pools" : [
   {
      "url" : "stratum+tcp://eu-stratum.btcguild.com:3333",
      "user" : "Osama3agag_1",
      "pass" : "12345"
   },
   {
      "url" : "stratum+tcp://stratum.bitcoin.cz:3333",
      "user" : "Osama3agag.worker1",
      "pass" : "54321"
   },
   {
      "url" : "stratum+tcp://stratum.btcguild.com:3333",
      "user" : "Osama3agag_1",
      "pass" : "12345"
   }
]
,
"anu-freq" : "250.0",
"api-description" : "cgminer 4.8.0",
"api-mcast-addr" : "224.0.0.75",
"api-mcast-code" : "FTW",
"api-mcast-des" : "",
"api-mcast-port" : "4001",
"api-port" : "4001",
"api-listen" : true,
"api-allow" : "W:192.168.2.0/24,W:127.0.0.1",
"api-host" : "0.0.0.0",
"au3-freq" : "225.0",
"au3-volt" : "750",
"avalon-cutoff" : "60",
"avalon-temp" : "50",
"avalon2-cutoff" : "98",
"avalon2-polling-delay" : "20",
"bflsc-overheat" : "85",
"bitburner-voltage" : "1200",
"bitburner-fury-voltage" : "900",
"bxf-bits" : "54",
"bxf-debug" : "0",
"bxf-temp-target" : "82",
"bxm-bits" : "54",
"cta-load" : "0",
"ps-load" : "0",
"expiry" : "120",
"failover-only" : true,
"hfa-hash-clock" : "590",
"hfa-fail-drop" : "10",
"hfa-temp-overheat" : "95",
"hfa-temp-target" : "88",
"hotplug" : "5",
"log" : "5",
"nfu-bits" : "50",
"osm-led-mode" : "4",
"queue" : "1",
"rock-freq" : "350.0",
"scan-time" : "60",
"shares" : "0",
"suggest-diff" : "0"
}

and the result is:
http://s16.postimg.org/vfzophaud/Capture.png

Any ideas will be highly appreciated.
Thanking you in advance.