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Amiga 500 IDE Controller / 8MB Fast RAM / RTC

$75.00 – $225.00

The A500 IDE / 8MB Fast RAM / RTC Module is the perfect addition to any Amiga 500. This module provides your Motorola 68K with 8MB of Fast RAM while at the same time allowing you to also add a hard drive so that you can install and boot from WorkBench and if that’s not enough, it also adds a fully functional battery backed real time clock.

By default all options are included and when you receive your module you’ll be able to utilize the full functionality. If you don’t need / want the RTC or the Fast RAM then you can simply remove those options and we’ll build the module without the those components. The firmware will still support the added functionality and you’ll be able to add the remaining components at a later time if you choose.

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The A500 IDE / 8MB Fast RAM / RTC Module is the perfect addition to any Amiga 500. This module provides your Motorola 68K with 8MB of Fast RAM while at the same time allowing you to also add a hard drive so that you can install and boot from WorkBench and if that’s not enough, it also adds a fully functional battery backed real time clock.

Features:

  • IDE Controller – Mini IDE to support compact flash and SD to IDE adapters
  • 8MB Fast RAM
  • Battery Backed RTC (Real Time Clock)
  • Compact All-in-One design (No CPU relocator board required)
  • 4 Layer Board
  • Hand Solderable 1206 component sizes
  • Support for ATF1508 / ATF1504 TQFP100 CPLD’s
  • Tag Connect JTAG for easy Firmware loading

Some things to note:

  • To boot via IDE, you’ll need to either patch your Kickstart ROM or use a Kickstart ROM that has the required SCSI drivers such as Kickstart 3.1
  • 2 points at the expansion port will need to be soldered /OVR and /INT2. Documentation is available below
  • Due to the limited I/O on the ATF1504, CFGIN / CFGOUT is not implemented

This project was inspired by Oleg Mishin. You can find the original project here.

BOM

Qty Value Device Package Parts
64   Machined PINs Single Pin CPU Socket
1   Pin Header 1×2 1X02R JP2
1   Pin Header 2×22 2mm Pitch 2X22M IDE
1 10uF Ceramic Capacitor C1206 C1
14 100NF Ceramic Capacitor C1206 C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15
7 10K Resistor  R1206 R1, R2, R3, R4, R5, R6, R7
2 470ohm Resistor  R1206 R8, R9
1 ATF1508AS ATF1504AS-10AU100 / ATF1508AS-10AU100 100A_ATM-M U1
1 KM416C KM416C4104C SOP80P1176X120-50N U2
1 GREEN LED Green 1206 LED2
1 ORANGE LED Orange 1206 LED1
1 TC2030-IDC-NL Tag Connect Jtag Port TC2030-IDC-NL JTAG

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