AmigaKit have updated their Memory Expansion for the A600.
This new revision features an A1200 style clock port and provision for an optional Real Time Clock module.
Features:
1MB RAM to boost total system chip/graphics memory to 2MB
Memory auto configures with no drivers required
Header for optional Real Time Clock module (available here)
Additional 22-pin A1200™ clock-port header for additional expansions (available separately)
Get it or read more
here.