The Adlink/Ampro Computers CM2-SXI-Q-74 is a PC/104 form factor CPU module designed for embedded applications requiring a compact and rugged solution, offering reliable performance in harsh environments. This module integrates the functionality of a PC/AT motherboard and several expansion cards within a small footprint. It utilizes a 25 MHz 386SX-compatible CPU, making it suitable for cost-sensitive embedded systems that previously required custom designs. The CM2-SXI-Q-74 is engineered for embedded systems with a focus on compact design, low power consumption, +5V-only operation, a wide operating temperature range, and high reliability. It can be used as a standalone component on a proprietary application board or combined with other PC/104 compatible expansion products to create integrated control subsystems.
### Technical Specifications
* **Processor:** Intel 386SX-compatible, 25 MHz internal clock rate
* **Memory:**
* 2 or 4 Mbytes directly surface-mounted DRAM
* Additional 4 Mbytes available via plug-in DRAM module
* **System Controllers:**
* 7 DMA channels (8237 equivalent)
* 14 interrupt channels (8259 equivalent)
* 3 programmable counter/timers (8254 equivalent)
* **BIOS:** Award BIOS with Ampro embedded-PC enhancements
* **Storage Interface:**
* Support for 1 or 2 IDE hard disk drives
* Low profile 44 pin compact 2mm connector for IDE interface
* **Onboard Flash Memory:**
* 1 Mbyte OEM Flash, with 960 Kbytes available for OEM use
* Configurable as a 64 Kbyte window in the D0000-EFFFFh range
* Usable with DiskOnChip2000™ read/write Flash SSD device
* Configurable as 64 Kbyte window, addressed in the D0000-DFFFFh or E0000-EFFFFh range
* OEM Flash TFFS software can convert to a full read/write SSD drive (not usable simultaneously with DiskOnChip2000™)
* **Configuration EEPROM:** 2K bit configuration EEPROM, with 512 bits for OEM use
* **Watchdog Timer:** Supports battery-free boot capability and utilizes real-time clock alarm function; timeout triggers hardware reset or non-maskable interrupt
### Interfaces
* **Serial Ports:**
* Two RS232 serial ports with full handshaking
* One port is jumper-configurable for RS232 or RS485
* Both ports implemented using 16C550 equivalent with 16 byte data FIFOs
* **Parallel Port:** EPP/ECP compatible bidirectional parallel printer port
* **Floppy Interface:** Support for 1 or 2 floppy drives via a low profile 44 pin compact 2mm connector
* **PC/104 Bus:** 16-bit PC/104 bus
* **Keyboard Port:** PC/AT-compatible keyboard port
* **Speaker Port:** Speaker port with 0.1 watt drive
### Physical and Environmental
* **Dimensions:** 3.6 x 3.8 x 0.9 inches (90 x 96 x 23 mm); PC/104 compliant form factor (includes stackthrough pins)
* **Power Requirements:** Typical 500 mA active / 160 mA sleep at +5V ±5% (25 MHz with 4 Mbytes RAM)
* **Operating Temperature:**
* 0° to 70° C standard
* –40° to +85° C extended (special order)
* **Humidity:** 5% to 95% relative humidity, non-condensing
* **Storage Temperature:** –55° to +85° C
* **Weight:** 3.0 oz (85 gm)
### Compatibility
* **Operating System:** PC/AT and MS-DOS compatible
* **Expansion:** Can be combined with PC/104-compatible expansion products
Why Choose Aumictech for Adlink / Ampro Computers CM2-SXI-Q-74?
At Aumictech, we specialize in supplying high-end embedded computing solutions. Whether you need a compact and reliable CPU module for harsh environments, a system with PC/AT compatibility, or a platform that supports further PC/104 expansion, our team ensures the Adlink / Ampro Computers CM2-SXI-Q-74 delivers maximum performance for your application.
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