The Octagon Systems PC-680 is a Single Board Computer engineered for industrial deployment in transportation, automation, and medical equipment. It delivers x86 processing with configurable CPU options ranging from 166 MHz to 333 MHz, up to 128 MB SDRAM, and extensive I/O—six serial ports, two USB ports, dual EIDE channels, and 32 programmable digital I/O lines. The integrated C&T 69000 XVGA controller supports both CRT and flat-panel displays with 2 MB video memory. On-card flash memory ranges from 4 MB to 144 MB; battery-backed SRAM is supported. Fast Ethernet (10/100 Base-TX auto-negotiating) connects via PCI; additional expansion via PC/104 connector.
– Technical Specifications
• Processor: Intel Mobile Pentium 166 MHz, Intel Mobile Pentium 266 MHz, or AMD K6 II 333 MHz with Intel 82C439TX chipset and 512 KB secondary cache
• Memory: Up to 128 MB SDRAM; 512 KB battery-backed SRAM supported
• Storage: 4 MB, 8 MB, 28 MB, or 144 MB on-card flash; DiskOnChip support available
• Graphics: C&T 69000 XVGA controller with 2 MB video memory, 32-bit flat-panel interface, graphic accelerator
• Networking: 10 Base-T/100 Base-TX auto-negotiating Ethernet, half/full duplex
• Serial: Six 16C550-compatible ports (RS-232/422/485 configurable, ESD protected)
• USB: Two ports with UHCI support
• Parallel: Bi-directional, ECP/EPP modes
• Storage Interface: EIDE supports two hard disks and CD-ROM; floppy supports two drives, all standard densities
• Digital I/O: 32 programmable lines, 15 mA drive
• Real-Time Clock: ±2 minutes per year accuracy
• Watchdog Timer: 0.5 to 64 seconds programmable
• CPU Monitor: Temperature monitoring for power management
• Power: 5 V only, low consumption
– Key Features
• Operating temperature to 85°C (166/266 MHz) or 70°C (333 MHz)
• Shock resistance 40g; vibration resistance 6g (10–500 Hz)
• Y2K-compliant BIOS
• Pre-loaded DOS 6.22 or 7.1 with flash file system, diagnostics, utilities
• EBX form factor: 5.75″ × 8″
– Compatibility & Integration
Supports Windows NT/98/CE, QNX, and Linux. Most LCD panels compatible; drivers available from Octagon.


















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