Como tienes los switch de funcionamiento?
Interruptores
Arriba = “on” (1) / abajo = “off” (0)
Interruptores 1, 2, 3 = seleccion de bios.
Interruptor 4 = activa y desactiva el chip.
| 1 | 2 | 3 | Banco de memoria seleccionado
|----------------------------------------------------------------------------------
| 0 | 0 | 0 | 1Mb Bancos 1,2,3,4 (Flash Address 0x00000 - 0xFFFFF)
| 0 | 1 | 0 | 512k Bancos 1 y 2 (Flash Address 0x00000 - 0x7FFFF)
| 1 | 1 | 0 | 512k Bancos 3 y 4 (Flash Address 0x80000 - 0xFFFFF)
| 0 | 0 | 1 | 256k Banco 1 (Flash Address 0x00000 - 0x3FFFF)
| 1 | 0 | 1 | 256k Banco 2 (Flash Address 0x40000 - 0x7FFFF)
| 0 | 1 | 1 | 256k Banco 3 (Flash Address 0x80000 - 0xBFFFF)
| 1 | 1 | 1 | 256k Banco 4 (Flash Address 0xC0000 - 0xFFFFF)