Amiga 4000 Power Connectors Motherboard Power Connector +------+------+------+ |Orange| Red |Brown | Power Good is a TTL output from the power supply, | +12V | -12V |PwrGd | a logical high indicating a stable power supply. |------+------+------| |Yellow| Blue | Blue | | +5V |Ground|Ground| +------+------+------+ Disk Drive Power Connectors Large Connector __________ / \ | O O O O | Connector viewed from front (open end). +---+--------+ The two center pins are grounds. +12V +5V Small Connector | | +-------+ Connector viewed from front (open end). |o o o o| The two center pins are grounds. -----+- +12V +5V Source: [Amiga 4000 Hardware Guide] [Back] |