Amiga 2000 Company Commodore, USA   Date 1987   full description is in the models section short description 68000 @ 7.14 MHz 1 MB Chip RAM original chip set (OCS) A2000HD: A2091 SCSI controller card five Zorro II slots one video slot three drive bays Photo Rev 4.0 german motherboard, front side Rev 4.0 german motherboard, back side Rev 4.5 motherboard, front side Rev 4.5 motherboard, back side Rev 6.2 motherboard, front side Rev 6.2 motherboard, back side Manual 1MBChip_A500_A2000.pdf (53 kB) How to achieve 1MB ChipRAM for A500 rev7, rev6A, rev5, rev3 and for A2000 rev4.x (german)   A500_A2000_Rom31.pdf (18 kB) 3.1 ROM installation guide for A500 / A2000 (german)   BigAgnus_A500_A2000.pdf (39 kB) How to add Big Agnus 8372A (german)   SecondFloppy_A2000.pdf (51 kB) How to add a second floppy drive to an A2000 (german)