* There is a 512K byte flashrom, the SST39VF040 which is accessable only on the Wii side through the Altera CPLD. This is not strictly necessary for the USB Gecko's main functionality.
[[Media:Usbgecko_schematics.zip|USB Gecko schematics (BSD licensed)]]. The archive doesn't actually contain a schematic of the circuit, but rather the files needed for producing the circuit boards and some source code. The VHDL source for the CPLD itself is included.