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2 PCM-6890B User Manual
Introduction
The PCM-6890B is an all-in-one multi-media Celeron Pentium III
processor based single board computer (SBC) with a 32-bit PCI
audio controller, a PCI Flat Panel controller, a PCI 100Base-Tx
Ethernet interface, and one PCI expansion slot. When using an
Intel Pentium II/III processor, the PCM-6890B achieves outstanding
performance that surpasses any other SBC in its class. In addition,
the onboard SSD interface supports M-systems DiskOnChip 2000
series, memory capacity from 2 MB to 288 MB. This compact (only
5.75"“ x 8") unit offers all the functions of a single board industrial
computer, but still fits in the space of a CD-ROM drive.
Onboard features include four serial ports (three RS-232, one RS-
232/422/485), one multi-mode parallel (ECP/EPP/SPP) port, connec-
tor for two USB (Universal Serial Bus) ports, a floppy drive
controller, and a keyboard/PS/2 mouse interface. The built-in high
speed PCI IDE controller supports Ultra DMA/33 mode. Up to two
IDE devices can be connected, including large hard disks, CD-
ROM drives, and tape backup drives, etc.
The PCM-6890B also features power management to minimize
power consumption. It complies with the ACPI standard and
supports three types of power saving features: Doze mode,
Standby mode, and Suspend mode. In addition, the board's
watchdog timer can automatically reset the system or generate an
interrupt in case the system stops due to a program bug or EMI.
Highly integrated multi-media SBC
The PCM-6890B is a highly integrated multi-media SBC that
combines audio, video, and network functions on a CD-ROM drive
size single computer board. It provides 32-bit half-duplex, 16-bit
full-duplex, integrated 3D audio and up to 1024 x 768 resolution @
64K colors with on-chip 2MB SDRAM display memory. Major
onboard devices adopt PCI technology to achieve outstanding
computing performance when used with Intel Celeron level
processors, making the PCM-6890B one of the world's smallest and
most powerful all-in-one multimedia boards.