Three slot expander
Available first in 2006 for the SE and continued to the Plus. One side for the 40 pin connector, the other side a real Apple 1 slot.
Note that sometimes the 40 pin flatcable connection is not reliable and gives CFFA1 I/O errors. A thick extra ground wire between the Replica 1 and the slot expander solves this.



![]() |
Slot Expander I board manual |
One slot expander

A single slot expander, one Apple 1 slot, to be placed upon the 40 pin box connector.
See also:
Jolt with 4K and power supply
With thanks to Jonathan Chapman of Glitchworks who found a Jolt system, here images of a Jolt with 4K memory, an experim...
TERC KIM-1 Interface set
A recent acquisition, the TERC (Technical Education Research Centers) KIM-1 Interface set. An educational tool to work w...
6502 tester NMOS CMOS 1-8MHz
The 6502 W65C02 6502C CPU tester NMOS / CMOS 1-8MHz is a CPU tester for 40 pin 6502/65C02 and WD65C02 and Sally.
The...
680x/650x Test system
The 680x/650x Test system allows to test, with the CPU itself performing the test, the MC680X and MCS650X families.
T...
