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Embedded Board
JD-6821VLA


Features General Specifications  

Features
• 3.5" Mini embedded board
• Low Power fan-free 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
• AuDigital I/O - Microphone, Speaker, Line-in
• Compact Flash Socket on board
• 4 x COM ports (1x RS232 + 1x RS232/422/485)
• 4 x USB and 1 x IrDA
• DIGITAL I/O : 8 x Digital Inputs & 8x Digital Outputs
• PC104 socket connector+5V & +12V power connector

General Specifications
• CPU low-power fanless
P-III class VIA Eden ESP
ESP4000/5000/6000 400/533/667MHz
0~85 CPU, 3W/5W/5W, 128K L1 cache .
& 64K L2 cache, 133 FSB

• System chip
VIA VT8606 (PN133T Twister-T) &
VT82C686A/B

• Cache
128K L1 Cache & 64K L2 Cache built in CPU

• BIOS
Award BIOS, 256KB (Flash) EPROM

• DRAM
1 x 144-pin DIMM socket support
memory up to 256MB PC133/PC100
SDRAM/ VCM-SDRAM

AGP-4X LCD/ LVDS/ CRT
AGP-4X Savage4 3D/2D
LVDS/TFT/DSTN LCD/CRT W/ 8M~32M
SMA memory (share system memory as
display memory), support 1600x1200
TFT/DSTN/LVDS (2-channel 110MHz)
LCD & 1920x1440 2D/3D CRT
Hardware-Assisted MPEG-2 architecture
for DVD full-screen video playback

• 100/10M Ethernet x 1
Realtek 8139C 100/10M LAN ( or Intel
82559 100/10M)

• Optional AC97 AuDigital I/O
AC97 AuDigital I/O daughter board

• Serial Port x 4
RS-232 x 3 + RS-232/422/485 x 1(+5V/+12V
Power Output in Pin1 or Pin9 via jumper
setting, TTL-Level Reserved in COM2)

• USBx2 and IrDA
USB and IrDA pin header on board

• Temperature/fan monitoring
686B on-chip function

• CompactFlash I/II socket
CF-2 socket for IDE Flash Disk, or, IBM 1.8"
MicroDrive 340MB/1GB HDD

• Digital I/O
8 x TTL DIGITAL I/O
4-bit DI and 4-bit DO, TTL level

• Bus type PC/104 socket

• Speaker: Buzzer on Board

• CMOS Backup Backup by Li battery

• PS/2 Keyboard & PS/2 Mouse
5-pin JSP header

• ATA100/66/33 IDE Port x 1
Up to 4 x IDE devices

• FDD
Two 3.5" or 5.25" FDD or LS120

• Parallel Port
Bi-directional SPP/EPP/ECP port

• Watchdog Timer:
Programmable 0 ~ 256 sec.

• Power Requirement
+5V & +12V or Single +5V by 4-pin
power connector; ATX Power control pin

• Dimension: 145mm x 102mm

• Operating Temperature: 0 to 60°C
(140°F) and 0~85 CPU support .
fanless application.

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

 
   
 
 
 
 
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