Aaeon SBC-557, Manual

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4 SBC-557 User Manual
Specifications
Standard SBC functions
• CPU: Intel Pentium MMX 166~266 MHz, AMD k6-2/K6-3 266~450MHz,
Cyrix/IBM 6X86 MX-PR166~266GP/M2 300MHz, and IDT Winchip-2
200~266MHz
• Bus interface: ISA bus.
• CPU socket: Socket 7
• BIOS: Award 256KB Flash BIOS
• Chipset: ALi 1541/1543
• I/O chipset: ALi 1543
• Memory : Onboard one 168 pins DIMM sockets support up to
256Mbytes SDRAM
• Enhanced IDE: Supports up to two IDE devices. Supports Ultra DMA/
33 mode with data transfer rate 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 port: One RS-232 and one RS-232/422/485 serial port. Ports can be
configured as COM1, COM2, COM3, COM4, or disabled individually.
Two 16C550 serial UARTs.
• IR interface: Supports one IrDA Tx/Rx header
• KB/Mouse connector : 6 pins mini-DIN connector supports PC/AT
keyboard and PS/2 mouse. Additional 5 pins header supports PC/AT
keyboard for IPC applications
• USB connectors: 5 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. Software
selectable time-out interval (1 sec. ~ 128 sec., 0.5 sec./step)