Features
• 3.5" Mini embedded board
• Low Power fan-free 533~667Mhz CPU on board
• Chipset : VIA Twister-T (VT6806 and 686B)
• 1 x SO-DIMM memory support up to 512MB
• Support VGA / LVDS / LAN with 32MB VRAM
• Support LVDS LCD and CRT VGA interface
• Fast Ethernet 100 / 10 Mbps
• Audio - Microphone, Speaker, Line-in
• Compact Flash Socket on board
• 4 x COM ports (1x RS232 + 1x RS232/422/485)
• 2 x USB and 1 x IrDA
• DIO : 8 x Digital Inputs & 8x Digital Outputs
• PC104 socket connector+5V & +12V power connector

General Specifications
• CPU
Embedded Low Power Fan-free 533~667
Mhz CPU

• Front Side Bus (FSB) : 133 FSB
Supports FSB 133 / 100

• Chipset, System – VIA Twister-T
VIA VT8606 and 686B chipset

• BIOS
Award BIOS, 256KB (Flash) EPROM

• SDRAM Memory - up to 768MB
1 x 144-pin SO-DIMM support up to
512MB

• VGA Display Controller Chipset
S3 Savage 4 support LVDS LCD, CRT
display with shared 32MB VRAM

• LCD – TTL type TFT LCD interface
Support LVDS LCD flat panels

• Display Type
CRT (VGA, SVGA, XGA) & LCD

• Ethernet : 100/10 Base-T Chipset
Dual Realtek 8139C+ newest Ethernet
chip support fast Ethernet 100/10 Mbps
auto-negotiation,.

• Audio Kit - optional
AC 97 audio codec support Microphone,
Speaker, Line-in

• DIO : 16 x TTL DIO
8 x Digital inputs and 8 x Digital outputs

• Serial (COM) port - 4 x COM
4 x COMs ( 3x RS232 + 1x RS485/422/232)

• USB - 2 x USB
Two USB ports, version 1.1

• IrDA port
Support 1 x IrDA infra-red remote port

• Disk On Module
Support DOM up to 512MB

• High Speed Multi I/O PC104 interface
1 X PC-104 slot

• PCI interface
High-density 100-pin PCI interface for
expansion purpose

• Enhanced IDE with Ultra DMA
supports 2 ports and up to 4 ATAPI devices,
Ultra DMA transfer rates 33 MB/sec

• LPT Parallel Port :
1 x LPT port support SPP, EPP and ECP
mode.

Floppy Disk Drive Interface
Support 2 floppy disk drives, 5º" (360 KB or
1.2 MB) and 3½" (720 KB, 1.44 MB) or
LS-120 Drive external PS/2 KB / Mouse port
(2-in1 mini DIN)

• Watchdog Timer
Software programmable watchdog timer
supported

• Real-time Clock
built-in super I/O with lithium battery
backup for 10 years of data retention.
CMOS data backup of BIOS setup and
default.

• Environmental and Power
Power Connector
+5V & +12V by 4-pin power connector

• Board Dimensions
3.5” Mini board size 102mm x 145mm

• Board Weight
0.35 Kg.

• Operating Temperature
0 to 60C (32 to 140 degree F)

Ordering Information
• JD-6820VLA-667
With Low Power 533~667Mhz
Fan-free CPU, VGA , LVDS LCD, LAN,
16 x DIO, CF socket, 4xCOM, 2x USB