MVME162‑233 (Motorola/Emerson, 68040 with FPU, 8MB, dual high, network + SCSI dual full, 223 high-end memory version)

Positioning: MVME162‑200 "223's 8MB memory upgrade version, 216's dual high + floating-point upgrade version" - exactly the same as 223 (dual high + FPU + network + SCSI + 4 serial ports), only the DRAM is upgraded from 4MB to 8MB, SRAM is upgraded from 128KB to 512KB. It is the top configuration model of the 200 series with the largest memory, full interfaces + floating-point, used for high-end VME control scenarios with large memory + floating-point + full interfaces.

1. Basic Information

Model: MVME162‑233

Brand: Motorola / Emerson (now Schneider)

Form: 6U dual high VME64 SBC (same as 220/222/223)

CPU: MC68040 @ 25 MHz (✅ with FPU, MMU, 8KB Cache)

Core Features: 8MB DRAM, 512KB SRAM, 1MB Flash, 2×IP, 4× serial ports, ✅SCSI, ✅10Mbps Ethernet, ✅hardware FPU, dual high

II. Hardware Specifications (Key Points: 8MB + 512KB SRAM + Dual High + FPU + Full Interface)

1) Processor (Same as 223/220: Hardware Floating Point)

MC68040, 25 MHz

✅ Built-in FPU Floating Point Processor (32/64-bit Floating Point)

✅ MMU + 8KB Instruction/Data Cache

210/212/213/216/222 are LC040 without FPU

2) Memory (Highest in 200 Series: 8MB + 512KB SRAM)

DRAM: 8 MB (Parity, 223 is 4 MB)

SRAM: 512 KB (Battery Backup, 223 is 128 KB)

Flash: 1 MB

NVRAM/RTC: 8 KB + Real-Time Clock (Battery Backup)

3) I/O Interfaces (Same as 223: Network + SCSI + 4 Serial Ports + 2 IP)

VMEbus: VME64 A32/D32, Master/Slave, DMA

Ethernet: ✅ 10 Mbps (AUI/BNC/RJ45) + DMA

Serial Ports: 4×RS-232 (Console + 3 Optional)

SCSI: ✅ Narrow SCSI 50-pin + DMA

IP Slot: 2×IndustryPack

Parallel Port: 1×Centronics IEEE-1284 (DB-25)

4) Electrical / Environmental

Power Supply: +5 V @ 3.5 A

Operating Temperature: 0 ℃ ~ +70 ℃

Size: 233 × 160 mm (Dual High)

III. Ultimate Comparison of 210~233 (Easy to Understand at a Glance, 233 is the Top Memory Configuration) Table

Model CPU FPU DRAM SRAM SCSI Ethernet Serial Ports Form Factor Position

210 LC040 ❌ 4MB 128KB ✅ ❌ 2 Single High 4MB + SCSI

211 040 ✅ 4MB 128KB ✅ ❌ 2 Single High 4MB + Floating Point + SCSI (No Network)

212 LC040 ❌ 4MB 128KB ❌ ✅ 2 Single High 4MB + Network Port (2 Serial Ports)

213 LC040 ❌ 4MB 128KB ✅ ✅ 4 Single High 4MB + Network + SCSI (Mainstream Single High)

216 LC040 ❌ 8MB 512KB ✅ ✅ 4 Single High 8MB + Network + SCSI (Single High Memory King)

220 040 ✅ 4MB 128KB ✅ ✅ 4 Dual High 4MB + Network + SCSI + Floating Point (Dual High Type)

222 LC040 ❌ 4MB 128KB ❌ ✅ 4 Dual High 4MB + Network Port (Dual High Economy)

223 040 ✅ 4MB 128KB ✅ ✅ 4 Dual High 4MB + Network + SCSI + Floating Point (Dual High Full Function)

233 040 ✅ 8MB 512KB ✅ ✅ 4 Dual High 8MB + Network + SCSI + Floating Point (Dual High Memory Top-End)

Four, Core Features of 233 (Different from 223/216)

Direct Upgrade of 233: Double Memory + Upgrade of SRAM

DRAM: 4MB → 8MB (More流畅 for multitasking / large data)

SRAM： 128KB → 512KB (More data saved after power loss)

Other interfaces / CPU are completely the same， software compatible with 223

216 Upgrade of Dual High + Floating Point

216： Single High + No FPU + 8MB

233： Dual High + With FPU + 8MB， Stronger Structure + Floating Point Calculation

200 Series is the only "8MB + FPU + Dual High + All Interfaces"

Among all models， the maximum memory + hardware floating point + Dual High + Network + SCSI + 4 Serial Ports， without any shortcomings

Five， Typical Applications

Large Memory + Floating Point Intensive： Complex motion control， robots， aerospace， military equipment (Requires large memory + high-precision floating point + all interfaces)

223 System Upgrade： Original 223 has insufficient memory， directly replace with 233， software does not need to be modified

216 System Upgrade： Original 216 (Single High + No FPU) needs floating point + Dual High， 233 is a perfect replacement