RB-ZX ROM Board AERCO Platform(s): ZX81 TS 1000 Model: RB-ZX Date: 1982 Price: $49 Rarity: uncommon Modular interface that maps a ROM to several locations in memory. Related Content AERCO RB-ZX V5 ROM Board (document) Gallery Tags ROM, AERCO, TS 1000, ZX81 People No people associated with this content.