2-10

Hardware Preparation and Installation
2
The next four tables show the address range for each EPROM socket in all four configurations. GPI3 (J21 pins 7-8) is a control bit in the MC2chip ASIC that determines whether reset code is fetched from Flash memory or from EPROMs.
J20
15
12
16
CONFIGURATION 4: 1M x 8 EPROMs
ONBOARD FLASH DISABLED
J20
15
12
16
CONFIGURATION 3: 1M x 8 EPROMs
J20
15
12
16
CONFIGURATION 2: 512K x 8 EPROMs
J20
15
12
16
CONFIGURATION 1: 256K x 8 EPROMs (FACTORY DEFAULT)