Internal 32K ram expansion Indescomp

Interface type:
32K RAM expansion
Manufacturer: Indescomp
Year: 1983
Compatible with: Spectrum 16K

    This RAM expansion is composed of 8 chips 4532-15NL, one 74LS00, one 74LS32, one 74LS157 y two 74LS158 (One of this 74LS158 has been modified).

    To use it, you need to open the Spectrum and put the chips in the places indicated by the template attached.