GPU external device I/O units

Contents:

• PSTRAPS: straps readout and override
• PROM: VBIOS ROM access
• PNVIO: external device interface
• NV10:G80 GPIO lines
• G80:GF119 GPIO lines
• PEEPROM: NV1 configuration/key EEPROM
• PMEDIA: Video capture and external MPEG decoder interface