Instruction manual

4 PCM-4896 User Manual
Specifications
Standard SBC Functions
• CPU: Cyrix MediaGX MMX 200~300MHz
• CPU socket: Socket 7
• BIOS: Award 256KB Flash BIOS
• Chipset: Cyrix Cx5530
• I/O Chipset: ITE IT8661F/Winbond W83977F. Full 16-bit I/O `
decoded
• Cache: Processor build-in 16KB Level-1 write-back cache
• Memory: Onboard one 168-pin DIMM socket supports up to
128Mbytes SDRAM
• Enhanced IDE: Support up to two IDE devices. Supports Ultra DMA/
33 mode with data transfer rate up to 33MB/sec.
• FDD interface: Supports up to two floppy disk drives, 5.25" (360KB
and 1.2MB) and /or 3.5" (720KB, 1.44MB, and 2.88MB)
• Parallel port: One bi-directional parallel port. Supports SPP, ECP and
EPP modes
• Serial ports: Three RS-232 and one RS-232/422/485 serial ports.
Ports can be configured as COM1, COM2, COM3, COM4, or disabled
individually. (16C550 equivalent)
• IR interface: Supports one IrDA Tx/Rx header
• Keyboard/mouse connector: 8 pin connector supports PC/AT
keyboard and PS/2 mouse
• USB connectors: 4 x 2 header onboard supports dual USB ports
• Battery: Lithium battery for data retention of up to 10 years
• Watchdog Timer: Can generate a system reset, IRQ15, or NMI.
Support software selectable timeout interval. (1 sec. ~ 255 sec., 1 sec./
step)
• DMA: 7 DMA channels (8237 equivalent)