NEOSoftWare Posted March 26, 2020 Share Posted March 26, 2020 there is a motherboard Asus H81T in it the adapter bcm94331cd is installed through an adapter, wifi does not work without clover settings and kext (although this adapter was used for a long time in the Sierra system and everything worked), Kext AirportBrcmFixup allowed to determine WIFI and it works beautifully in 2.4 GHz, but the card does not work in 5GHz mode, although there is a connection to the router and the router gives an IP address (albeit longer than 2.4) I tried to set different countries through the argument brcmfx-country= did not help, either it did not work at all or the same way. I tried to use the brcmfx-driver= parameter, it works only when brcmfx-driver=1, and then only 2.4GHz works in this mode, WIFI 5GHz does not even look. In windows 10 everything works fine on this hardware screen shots when connected to a 5g network test in console 5GHz >:curl google.com -m 10 curl: (7) Failed to connect to google.com port 80: Operation timed out >:ping google.com -c 20 PING google.com (64.233.163.113): 56 data bytes 64 bytes from 64.233.163.113: icmp_seq=0 ttl=41 time=128.415 ms 64 bytes from 64.233.163.113: icmp_seq=1 ttl=41 time=41.624 ms 64 bytes from 64.233.163.113: icmp_seq=2 ttl=41 time=759.356 ms 64 bytes from 64.233.163.113: icmp_seq=3 ttl=41 time=393.776 ms 64 bytes from 64.233.163.113: icmp_seq=4 ttl=41 time=69.126 ms 64 bytes from 64.233.163.113: icmp_seq=5 ttl=41 time=57.535 ms 64 bytes from 64.233.163.113: icmp_seq=6 ttl=41 time=40.581 ms 64 bytes from 64.233.163.113: icmp_seq=7 ttl=41 time=147.680 ms 64 bytes from 64.233.163.113: icmp_seq=8 ttl=41 time=37.702 ms 64 bytes from 64.233.163.113: icmp_seq=9 ttl=41 time=42.357 ms 64 bytes from 64.233.163.113: icmp_seq=10 ttl=41 time=91.294 ms 64 bytes from 64.233.163.113: icmp_seq=11 ttl=41 time=32.100 ms 64 bytes from 64.233.163.113: icmp_seq=12 ttl=41 time=56.324 ms 64 bytes from 64.233.163.113: icmp_seq=13 ttl=41 time=28.981 ms 64 bytes from 64.233.163.113: icmp_seq=14 ttl=41 time=114.478 ms 64 bytes from 64.233.163.113: icmp_seq=15 ttl=41 time=406.602 ms 64 bytes from 64.233.163.113: icmp_seq=16 ttl=41 time=247.047 ms 64 bytes from 64.233.163.113: icmp_seq=17 ttl=41 time=37.130 ms 64 bytes from 64.233.163.113: icmp_seq=18 ttl=41 time=52.197 ms 64 bytes from 64.233.163.113: icmp_seq=19 ttl=41 time=360.568 ms --- google.com ping statistics --- 20 packets transmitted, 20 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 28.981/157.244/759.356/183.998 ms test in console 2.4GHz >:ping google.com -c 20 PING google.com (64.233.163.102): 56 data bytes 64 bytes from 64.233.163.102: icmp_seq=0 ttl=40 time=29.244 ms 64 bytes from 64.233.163.102: icmp_seq=1 ttl=40 time=34.057 ms 64 bytes from 64.233.163.102: icmp_seq=2 ttl=40 time=30.471 ms 64 bytes from 64.233.163.102: icmp_seq=3 ttl=40 time=31.533 ms 64 bytes from 64.233.163.102: icmp_seq=4 ttl=40 time=30.793 ms 64 bytes from 64.233.163.102: icmp_seq=5 ttl=40 time=27.310 ms 64 bytes from 64.233.163.102: icmp_seq=6 ttl=40 time=34.731 ms 64 bytes from 64.233.163.102: icmp_seq=7 ttl=40 time=37.340 ms 64 bytes from 64.233.163.102: icmp_seq=8 ttl=40 time=34.127 ms 64 bytes from 64.233.163.102: icmp_seq=9 ttl=40 time=31.942 ms 64 bytes from 64.233.163.102: icmp_seq=10 ttl=40 time=30.383 ms 64 bytes from 64.233.163.102: icmp_seq=11 ttl=40 time=35.625 ms 64 bytes from 64.233.163.102: icmp_seq=12 ttl=40 time=30.906 ms 64 bytes from 64.233.163.102: icmp_seq=13 ttl=40 time=29.679 ms 64 bytes from 64.233.163.102: icmp_seq=14 ttl=40 time=59.688 ms 64 bytes from 64.233.163.102: icmp_seq=15 ttl=40 time=31.159 ms 64 bytes from 64.233.163.102: icmp_seq=16 ttl=40 time=28.696 ms 64 bytes from 64.233.163.102: icmp_seq=17 ttl=40 time=32.336 ms 64 bytes from 64.233.163.102: icmp_seq=18 ttl=40 time=28.234 ms 64 bytes from 64.233.163.102: icmp_seq=19 ttl=40 time=31.067 ms --- google.com ping statistics --- 20 packets transmitted, 20 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 27.310/32.966/59.688/6.616 ms >:curl google.com -m 10 <HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8"> <TITLE>302 Moved</TITLE></HEAD><BODY> <H1>302 Moved</H1> The document has moved <A HREF="http://www.google.com/sorry/index?continue=http://google.com/&q=EgRfGaEsGLTr8_MFIhkA8aeDS5TZXndxZ2y8F0M3SyQlTEZprHXgMgFy">here</A>. </BODY></HTML> when ping for some reason ttl changes from 40 to 41 I also tried FakePCIID_Broadcom_WiFi.kext, it did not help Link to comment https://www.insanelymac.com/forum/topic/343142-asus-h81t-bcm94331cd-not-working-wifi-5ghz/ Share on other sites More sharing options...
NEOSoftWare Posted March 26, 2020 Author Share Posted March 26, 2020 As it turned out, there is everything connected to the Internet through 5GHz but it is very slow >:speedtest-cli --timeout 100 Retrieving speedtest.net configuration... Testing from Beeline Home (95.25.120.170)... Retrieving speedtest.net server list... Selecting best server based on ping... Hosted by DOM.RU (Saint Petersburg) [5.58 km]: 244.885 ms Testing download speed................................................................................ Download: 0.05 Mbit/s Testing upload speed................................................................................................ Upload: 0.08 Mbit/s in windows 10 Wifi 5GHz - Download/Upload: ~90 Mbit/s mac os wifi 2.4Ghz - Download/Upload: ~90 Mbit/s How to fix the speed at 5GHz? Link to comment https://www.insanelymac.com/forum/topic/343142-asus-h81t-bcm94331cd-not-working-wifi-5ghz/#findComment-2713999 Share on other sites More sharing options...
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