A500 8MB IDE2 (8MB fast RAM for Amiga 500/500+, IDE controller, CPU replacement) For Sale
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A500 8MB IDE2 (8MB fast RAM for Amiga 500/500+, IDE controller, CPU replacement)
Price: GB $115.81
Very compact 8MB Fast RAM and BSC-AT-Bus IDE controller for Amiga 500 and Amiga 500+.
The device is based on the design by Oleg Mishin. Please refer for his GitHub page for more information (manuals, downloads).
Features: (changes introduced in this version by Lotharek are in bold)
Bootable IDE, no need for a patched scsi.device to be present in Kickstart ROM for autoboot.
Works with Kickstart from 1.3 and above.
Able to boot Workbench 1.3 and higher from HDD. 8MB RAM also detected in WB 1.3.
Motorola CPU present at board in SMD package (PLCC).
Different CPLD used, thus firmware has been reworked.
Rotated IDE connector by 180 degrees. If SD ir CF adapter is used, it will be hanging over the expansion.
Hybrid SMD/THT bottom socket
Flash ROM contains BSC Oktopussy ROM and can be re-flashed on-board.
Works with A500 and A500+.
The device does not work with CDTV due to DMAC on board (this can change with future firmware).
PCB is 4 layers, HID board (high integration device) to squeeze a CPU with the PCB footprint of the original device.
Please check related products for suitable cables and adapters.
IN THE BOX
Fully tested and assembled device.
Please note that IDE to CF/SD adapter is not CPU from motherboard if not socketed. Solder the socket first and then install the device in it.
if CPU is socketed, just remove the CPU and insert A500 8MB IDE2 instead.
In both cases pay attention to pin orientation, pin 1 is at the bottom. Inserting it wrongly can damage the CPLD.
Partition the IDE device according to manual in Downloads section above.