List of projects / A500Flash

A500Flash is a Kickstart switcher allowing Flash-memory reprogramming. The device should be installed inside the Amiga A500/A500+/A2000.

The design of Flash memory chips being used in our product enables loading another Kickstart image by running additional software on the same Amiga computer and subsequent switching between available ROM images by holding down CTRL+A+A keys.

 

A500Flash 5k

 

  • designed for Amiga A500/A500+/A2000 models,
  • comes with 512kB of built-in Flash memory,
  • support for 512kB ROM images – only the primary ones,
  • switching between available Kickstart images by holding down CTRL+A+A keys for about 3 seconds,
  • original ROM chip required,
  • PCB boards installation in place of original ROM and Gary chip,
  • Flash chips programming using native Amiga OS software,
  • included software requires Amiga OS 1.2+

 

Memory map

Mode I Mode II
ROM - $F80000
FLASH - $E00000
ROM - inaccessible
FLASH - $F80000
 



A500Flash 1M

 

  • designed for Amiga A500/A500+/A2000 models,
  • comes with 1MB of built-in Flash memory,
  • support for 1MB ROM images - standard and extended ROM images,
  • A500Flash 5k mode (jumper X1),
  • switching between available Kickstart images by holding down CTRL+A+A keys for about 3 seconds,
  • original ROM chip required,
  • PCB boards installation in place of original ROM and Gary chip,
  • Flash chips programming using native Amiga OS software,
  • included software requires Amiga OS 1.2+

 

Memory map

Mode I Mode II
ROM - $F80000
FLASH bank0 - $E00000
FLASH bank1 - $F00000
ROM - inaccessible
FLASH bank0- $F80000
FLASH bank1- $E00000
 



Software

Example flashing process

Erase Flash memory
flasher e

Write file 256kB/512kB to Flash memory
flasher w file_name

Write two files 512kB to Flash memory (A500Flash 1M version)
flasher w file_name1 file_name2

 
 



User manual:

 

Quick Guide:

 

Software: Flasher1_0.lha,   Flasher.adf

 

A500Flash assembly and action.

 

Example flashing process (AROS Kickstart, two files)

 

Example flashing process (Kickstart 3.9, two files)

 

Example flashing process (Diagrom from www.diagrom.com)

 

France

  • AMEDIA COMPUTER FRANCE SàRL - Amedia Computer France
  • Shipping: Europe, Worldwide


  • Poland

  • F. H. U. EDEN Komputery - RetroAmi
  • Shipping: Europe, Worldwide

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