A3640
Function: Jumper: Setting: Description: Enable *CDIS *MDIS J100:1-2 X-X X X Enable CDIS* MDIS* J100:3-4 X X X-X Enable CDIS* MDIS* (close both sets of jumpers) Enable MAPROM J400:1-2 X-X X MAPROM Enabled J400:2-3 X X-X MAPROM Disabled Test TJ100:1-2 X-X Test jumper
A3630Function: Jumper: Setting: Description: FPU Select PLCC/PGA J100:1-2 X-X X Use FPU in PLCC location J100:2-3 X X-X Use FPU in PGA location FPU Clock J100:1-2 X-X X Use optional on-board oscillator (U103) J100:2-3 X X-X Use CPU clock MAPROM Enable J103:1-3 X-X X MAPROM Enabled J103:2-3 X X-X MAPROM Disabled 68020 Selected J201:1-2 X-X X 68020 Not Selected J201:2-3 X X-X 68020 Selected 68030 Selected J202:1-2 X-X X 68030 Selected J202:2-3 X X-X 68030 Not Selected 020/030 Select J203:1-2 X-X X 68030 Selected J203:2-3 X X-X 68020 Selected