upgrade

I have just picked up a M5521 400mhz iMac for the cost of a beer but it has no HDD. Has anyone had success using an IDE to SD adapter or should I buy a spinner as per originally fitted. The machine boots from the slot loading CD fine and the only issue seems to be a dry joint on the analogue...

Well mad science continues... I've ordered a Mainstreet CPU card and plan on making a 604e card because I am insane. There's two BGA memory footprints on the card which I'm assuming hook up to the MPC106EC controller (with an L2 cache controller on it), so I will be trying to upgrade cache on...

In the February 1987 issue of the A+ Magazine, there was a cover article about upgrading to the IIGS from the IIe with the board swap. Whether it was cost-effective for schools was also discussed in another article. The searchable PDF file of those articles is attached herein for download...

The mythical beast that is the PPC601 Upgrade card, and the LC475, smashed together! This started life as a Japanese LC475 (no different to any other 475, but it's from Japan and therefore, cooler than yours). It actually came already with a 32MB SIMM in it and 2 x 512kb VRAM SIMM's, but no...