GIGABYTE GS-R12T4H2-RH - Manual (Page 61)

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GS-R12T4H2-RH Rack Mount Server
LAN2Option ROM
Enabled Enable onboard LAN2 device and initialize device expansion
ROM. (Default setting)
Disabled Disable this function.
Legacy USB Support
This option allows user to function support for legacy USB.
Enabled Enables support for legacy USB (Default setting)
Disabled Disables support for legacy USB.