Acer 486 Specifications download pdf (Page 10)

2 PCA-6143P User's Manual

Introduction

The half-size PCA-6143P comes equipped with either an 80486SX-

25, 80486SX-33, 80486DX-33, 80486DX2-50 or 80486DX2-66

CPU. Also included on-board are one serial RS-232 port, one serial

RS-232/422/485 port, an enhanced bi-directional parallel port, an IDE

hard disk drive interface, a floppy disk controller and a watchdog

timer. The watchdog timer ensures that the CPU will be reset if it

stops due to a program or EMI problem, allowing the PCA-6143P to

be used in stand-alone systems or unattended environments. The PCA-

6143P’s industrial-grade construction ensures continuous, reliable

operation in harsh industrial environments at temperatures up to 140

(60

C).

We designed the PCA-6143P with SBC (Single Board Computer)

applications in mind. It incorporates a single-voltage power supply

(+5 V) and a connector for PC/104 modules (Flat-panel/CRT VGA

controller or Flash/RAM/ROM disk). A built-in Flash/ROM disk

emulates a floppy disk drive of up to 1.44 MB capacity. It emulates

the 1st, 2nd, 3rd or 4th DOS drive, depending on the physical disks

installed and the DOS version. See Appendix A for details.

Built using CMOS technology, the PCA-6143P consumes very little

power. Its two SIMM (Single In-line Memory Module) DRAM

sockets accept 1 MB, 4 MB or 16MB SIMM modules for total on-

board memory of 1 to 32 MB.

You can also use this 8-layer CPU card to transform any system into a

32-bit 486 compatible computer, its all-in-one configuration freeing-

up valuable expansion slots. Its highly compact form and numerous

features make it an ideal cost/performance solution for high-end

commercial and industrial applications where high CPU speed and

low mean-time-to-repair are critical.

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Acer 486 Specifications Page 10