MEGA MEMORY ASSY PA1010404 SWITCH SETTINGS ΪΔΒΔΒΔΒΔΒΔΒΔΒΔΒΔΏ ³1³2³3³4³5³6³7³8³ SW1: 1=ON, 0=OFF ΐΒΑΒΑΒΑΒΑΒΑΒΑΒΑΒΩ ³ ³ ³ ³ ³ ΐΔΑΔΑΔΔ Not used - always OFF ³ ³ ³ ³ ³ ³ ³ ΐΔΑΔΑΔΔ Extended Memory on-board ³ ³ 0 0 0 No Extended Memory ³ ³ 0 1 0 512K Extended Memory uses 256K DRAMS ³ ³ 1 1 0 1M and must be filled starting with ³ ³ 0 0 1 1.5M bank 0 in both the High Byte and ³ ³ 1 0 1 2M Low Byte areas. ³ ³ 0 1 1 2.5M ³ ³ 1 1 1 3M ³ ³ ΐΔΑΔΔ Base Memory on-board 0 0 No base memory Base Memory uses 64K DRAMS and 1 0 128K must be filled starting with 0 1 256K bank 5 in both the High Byte and 1 1 384K Low Byte areas. ΪΔΒΔΒΔΒΔΒΔΒΔΒΔΒΔΏ ³1³2³3³4³5³6³7³8³ SW2: 1=ON, 0=OFF ΐΒΑΒΑΒΑΒΑΒΑΒΑΒΑΒΩ ³ ³ ³ ³ ³ ³ ³ ΐΔΔ Not used - always OFF ³ ³ ³ ³ ³ ³ ³ ³ ³ ΐΔΑΔΑΔΑΔΑΔΔ Extended Memory Starting Address ³ ³ 1 1 1 1 1 No Extended Memory ³ ³ 1 0 0 0 0 1M ³ ³ 0 1 0 0 0 1.5M Extended Memory can be started ³ ³ 1 1 0 0 0 2M on any 0.5M boundary. Not all ³ ³ 0 0 1 0 0 2.5M settings are shown here. ³ ³ 1 0 1 0 0 3M ³ ³ 0 1 1 0 0 3.5M ³ ³ 1 1 1 0 0 4M ³ ³ 0 0 0 1 0 4.5M ³ ³ 1 0 0 1 0 5M ³ ³ ΐΔΑΔΔ Base Memory Starting Address 0 0 No Base Memory 1 0 256K 0 1 384K 1 1 512K MEMORY PARITY JUMPER E1-E2 Parity Enabled E2-E3 Parity Disabled