AR9285

Fixing AR9285 wifi card.

Speed Fix:

• sudo iw dev
• check device name in output
• execure sudo iw device_name set bitrates ht-mcs-2.4, examples:
• sudo iw wlan0 set bitrates ht-mcs-2.4 && sudo iwconfig wlan0 rate 24M
• sudo iw wlp2s0 set bitrates ht-mcs-2.4 && sudo iwconfig wlp2s0 rate 24M

Patching Firmware:

• add kernel parameter iomem=relaxed
• read using iwleeprom
• hex edit dumped rom
• change driver to ignore checksum
• write using iwleeprom
• reload driver
• check checksum using iwleeprom
• hex edit to fix checksum
• write using iwleeprom
• reload driver

Using MacNB_iwleeprom:

• add kernel parameter iomem=relaxed
• cd /usr/local/sbin/
• ./iwleeprom -d 0000:02:00.0 -r 3B

References:

• InsanelyMac Forum
• DATAPUISTOKEMISTI
• ath9k Docs