iifx

On the IIfx and the IIfx Reloaded, the two Peripheral Interface Chips use a 65C02 core running at 4MHz - they require SRAM to operate. Here's a quick list of pin compatible 32K x 8 SRAM chips. Manufacturer Part Number Lyontek LY62256 Sony CXK58257AP Toshiba TC55257BFL NEC...

Hi, folks! I'm having a problem with a IIfx. It's unable to start from ADB power. I recapped it and replaced the PRAM and startup circuit batteries. I've tried: • Both ADB ports. No power, but typing on the keyboard works fine. • Different keyboards. Those same keyboards work fine to power-on...

I'm looking for a replacement for the white plastic + metal headphone jack found on most Macintosh II series and related logic boards. I've not made an exhaustive list, but I believe it is found on Macintosh II revision B, IIx, IIcx, IIci, IIfx, and Quadra 700 logic boards. Unfortunately, I have...