1. Original factory standard configuration (512 official parameters) CPU: MC68040 @ 25MHz (standard)/33MHz (optional), with FPU Form: 6U dual-height (2 slots) VME SBC DRAM: 4MB (non-parity) SRAM: 512KB (battery backup) Flash: 1MB (standard)/2MB (optional) I/O: 10BASE-T/10BASE2 Ethernet (DMA) Optional SCSI-2 (50-pin, some versions without) 2×RS-232 (EIA-232-D) 1× Parallel port, RTC (battery backup) Expansion: 4×IP slots, no PMC slots (key difference) VME: A16/A24/A32, D8/D16/D32, master / slave controller