sprint layout

  1. Kai Robinson

    4MB Macintosh II & IIx 30-pin SIMM's

    Project spearheaded by Phil Cranmer - I just did the Sprint Layout - the following is Phil's writeup While the Macintosh II and IIx were designed with sufficient address lines to handle up to 128MB of RAM in two banks of 4 SIMMs (giving a total of 8 slots), standards for DRAM chip design...
  2. Kai Robinson

    Logic Board - Macintosh Classic Reloaded

    As with the Macintosh SE, many Classic's have died because of Apple's short sighted decision to add a battery to the board - and unfortunately a particularly explosive one at that! This will inevitably pop and causes a horrific amount of damage. Thankfully, because i've done this before, with...
  3. Kai Robinson

    Logic Board - Macintosh SE Reloaded

    So many classic macs, starting with the SE, have died because of Apple's short sighted decision to add a battery to the board. This inevitably leaks and causes a horrific amount of damage. Luckily - most of the custom chips survive even this, so I decided to make a near 1:1 reproduction of the...