£149.61
On Hold
A2630 68030 Accelerator With Latest ROMs, WORKING, For Commodore Amiga 2000
Appearance: Used
Functionality: Working
Description:
============
As pictured, an A2630 68030 accelerator with 2MB of on-board 32-bit memory. Includes just the board – no other accessories are available. Manual is available at http://amiga.resource.cx/exp/a2630.
Warranty and Returns:
=====================
We understand that there may be compatibility issues, space constraints, or it just doesn’t look perfect. This item can be returned within 14-days for ANY reason. However, shipping to and from is not refundable.
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#:C20516.NUNDR#2
Details from http://amiga.resource.cx/exp/a2630:
Company
Commodore, USA
Date
1989
Amiga
A2000
Interface
CPU slot
Autoconfig ID
514 / 81
Processor
◾68030 @ 25 MHz, PGA
◾68882 @ 25 MHz, PGA
◾can be upgraded to 50 MHz with CSA's Rocket Launcher
memory ◾2 or 4 MB RAM on board
◾capable of DMA, but does not support burst mode
◾16 or 32 256k×4 page mode ZIPs 80-100 ns
◾expansion slot for third party RAM boards
◾DKB 2632 accepts 112 MB of SIMMs
◾Access 32 accepts 32 MB of ZIPs
◾RAM can be disabled or autoconfigured by setting a jumper
notes ◾jumper selects whether autoboot into AmigaDOS or UNIX
◾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
◾in 68000 fallback mode the RAM is still available
jumper settings
J301 - RAM size: ON - 2 MB, OFF - 4 MB
J302 - B2000: ON - german A2000
J303 - RAM autoconfig: ON - disabled
J304 - OS: ON - UNIX, OFF - AmigaOS
◾rev 6
J202 - FPU clock: ON - same as CPU clock
J200 - reserved
◾rev 9
J202 - FPU clock: 1-2 - same as CPU clock, 2-3 - from oscillator U203
Functionality: Working
Description:
============
As pictured, an A2630 68030 accelerator with 2MB of on-board 32-bit memory. Includes just the board – no other accessories are available. Manual is available at http://amiga.resource.cx/exp/a2630.
Warranty and Returns:
=====================
We understand that there may be compatibility issues, space constraints, or it just doesn’t look perfect. This item can be returned within 14-days for ANY reason. However, shipping to and from is not refundable.
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#:C20516.NUNDR#2
Details from http://amiga.resource.cx/exp/a2630:
Company
Commodore, USA
Date
1989
Amiga
A2000
Interface
CPU slot
Autoconfig ID
514 / 81
Processor
◾68030 @ 25 MHz, PGA
◾68882 @ 25 MHz, PGA
◾can be upgraded to 50 MHz with CSA's Rocket Launcher
memory ◾2 or 4 MB RAM on board
◾capable of DMA, but does not support burst mode
◾16 or 32 256k×4 page mode ZIPs 80-100 ns
◾expansion slot for third party RAM boards
◾DKB 2632 accepts 112 MB of SIMMs
◾Access 32 accepts 32 MB of ZIPs
◾RAM can be disabled or autoconfigured by setting a jumper
notes ◾jumper selects whether autoboot into AmigaDOS or UNIX
◾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
◾in 68000 fallback mode the RAM is still available
jumper settings
J301 - RAM size: ON - 2 MB, OFF - 4 MB
J302 - B2000: ON - german A2000
J303 - RAM autoconfig: ON - disabled
J304 - OS: ON - UNIX, OFF - AmigaOS
◾rev 6
J202 - FPU clock: ON - same as CPU clock
J200 - reserved
◾rev 9
J202 - FPU clock: 1-2 - same as CPU clock, 2-3 - from oscillator U203
