Intel SBC-455 manual Specifications

Specifications

CPU: 80486SX/DX/DX2/DX4 25/33/40/50/66/75/100/120 MHz, 5x86-100/120/ 133 or Pentium OverDrive processor

Bus interface: ISA bus

Data bus: 32-bit

Processing ability: 32-bit

Chipset: ALI/1489/1487

RAM memory: 1 MB to 64 MB. Uses two 72-pin SIMM sockets

L2 Cache memory size: 128/256/512 KB 2nd level cache memory

Shadow RAM memory: Supports system and video BIOS shadow memory

Flat panel/CRT SVGA controller: SVGA, PCI-bus, CHIPS 65548 chipset with 512 KB standard video memory, upgradable to 1 MB. Provides 32-bit graphic throughput. Features the ability to control most TFT, STN, B/W, EL flat panel displays as well as standard CRT. Supports resolutions up to 1024 x 768 in 256 colors. Daughterboards available for various flat panel displays.

Enhanced IDE hard disk drive interface: Fast PCI bus. Supports up to two Enhanced IDE (ATA-2) large hard disk drives or other Enhanced IDE devices. Supports mode 3 and mode 4 hard disks (data transfer rate 11.1 MB/ sec. minimum)

Floppy disk drive interface: Supports up to two floppy disk drives, 5 1/ 4"¼" (360 KB and 1.2 MB) and/or 3 1/2" (720 KB, 1.44 and 2.88 MB)

Bidirectional parallel port: Configurable to LPT1, LPT2, LPT3 or disabled Supports SPP/EPP/ECP standards

Serial ports: Two serial RS-232 ports, uses 16C550 UARTs with 16-byte FIFO buffer. Supports speeds up to 115 Kbps. Ports can be individually configured from COM1 to COM4 or disabled.

BIOS: AMI Flash WIN BIOS

Watchdog timer: Can generate a system reset or IRQ15. The time interval is software selectable from 2 to 32 seconds (15 steps, 2 seconds per step).

PC/104: 104-pin connector for a 16-bit bus

DMA channels: 7

4 SBC-455 User's Manual