A2620 68020 Accelerator, 020 For Commodore Amiga 2000 (As-Is)

Description: Appearance: UsedFunctionality: Partially Working Description:============As pictured, an A2620 68020 accelerator with 4MB of on-board 32-bit memory. Includes just the board – no other accessories are available. Manual is available at amiga resource cx. Appears to work but memory is NOT detected – sold as-is. Warranty and Returns:=====================This product is being sold AS-IS without any warranty. Returns are not accepted. To ensure that this is the right product for your needs, we’re happy to answer any questions. Shipping:=========- Other shipping methods are available – contact us for details.- Combined shipping is available for most items – contact us for details.- Local pickup is also available at no cost. About Us:=========The Computer Preservation Group is dedicated to the preservation of historical computers. To help fund ongoing operations, select items are made available. To learn more, please visit our website. Thank you for your support! Stock#:J20300.NUNDR#2 Details from amiga resource cx: CompanyCommodore, USA Date1988 AmigaA2000 InterfaceCPU slot Autoconfig ID514 / 80 Processor◾68020 @ 14 MHz, synchronous with the motherboard ◾68851 memory management unit ◾factory installed 68881 @ 14 MHz, supports FPUs up to 68882 @ 25 MHz ◾can be upgraded to 68030 with the Harms Professinal-Pack 030 board memory ◾2 or 4 MB 32 bit RAM ◾16 or 32 256k×4 page mode ZIPs 80-100 ns ◾not expandable ◾RAM can be disabled or autoconfigured by setting a jumper Notes◾the first accelerator board for the A2000 ◾boot ROMs below rev 6 are incompatible with Kickstart 2.0 and above ◾the ROM address space overlaps the upper 256 kB of the 512 kB Kickstart ROMs (Kickstart 1.3 is 256 kB only) ◾by the time AmigaOS loads, the boot ROMs are supposed to be off but due to a bug in the A26x0 ROM code they remain active, causing an address space collision ◾fitting a rev 6 or 7 ROM pair solves the problem ◾some boards are reported being incompatible with the newer ROMs either ◾in 68000 fallback mode the RAM is still available

Price: 148.5 USD

Location: Lake Worth, Florida

End Time: 2025-02-12T12:54:59.000Z

Shipping Cost: 2 USD