Teknor Industrial Computers TEK-AT2 Quick user guide
TEK-AT2
80386SX AT SINGLE BOARD COMPUTER
HARDWARE REFERENCE MANUAL
VERSION 3.3, MARCH 1996
TEKNOR INDUSTRIAL COMPUTERS INC.
616 Cure Boivin
Boisbriand, Quebec
J7G 2A7 CANADA
NOTE:
This manual is for reference purposes only. Reproduction in whole or in
part is authorized provided TEKNOR INDUSTRIAL COMPUTERS INC.
is cited as the original source.
ref: M701S_3-3
INTRODUCTION 1
INTRODUCTION SECTION 1
The TEK-AT2 is a high performance PC/AT type
computer on a half-card format (7" x 4.7"). It
integrates all the basic functions available on an IBM
AT - like a hard disk interface and a floppy disk
controller.
Best of all, the TEK-AT2 is designed to operate in
environments where a sturdy and compact system is
essential. So elements such as a watchdog timer, solid
state disks, and a power failure detector were added to
make the TEK-AT2 perform even in the most extreme
industrial applications.
Built using CMOS technology, the TEK-AT2
consumes very little power. Typically, less than 7.5
watts. The TEK-AT2 is also a versatile board. It can
be installed in a PC passive backplane or, because of its
small size, it can be used as a stand-alone controller by
utilizing the four standard mounting holes and separate
power connector.
And to top it off, an XT expansion header
accommodates TEKNOR's TEK-PG VGA LCD/EL
series of display controllers or other optional expansion
cards.
2TEK-AT2 REFERENCE MANUAL
Here are more exciting features found on the TEK-AT2
single board computer:
•PC/AT bus or
stand alone
operation
•80386SX @
25Mhz
•512K, 1, 2, 4, 10
or 16M of system
memory with
mixed DRAM
support
•Up to 2M of user
EPROM/Flash
EPROM
•Up to 1M user
RAM with battery
backup
•Supports Shadow
RAM BIOS for
fast execution
•Flash EPROM
boot
•Real-time clock
with battery
backup
•Optional 80387SX
coprocessor
support
•AT keyboard and
speaker port
•One parallel
printer port
(LPT1)
•Two serial
ports with COM2
as RS232 or
RS485
•Watchdog Timer
•Power Fail
Detector
•Onboard floppy
controller: drives
two floppies
•Onboard IDE hard
disk interface
•CMOS technology
for low power
•Two year Quality
Warranty
CONFIGURATION SECTION 2
JUMPERS
The TEK-AT2 was designed to allow for minimal
hardware configuration.
The following Jumpers can be configured by using
shorting jumpers.
JUMPER1STATE FUNCTION * as shipped
Flash EPROM Type
W1(1-2) 29F040 Devices Only2
W1(2-3) 28F010, 28F020 Devices Only*
RAM Battery Backup3
W2 Open* NC
W2 Closed Vbatt
Hard Disk Interface
W3 Open* IDE Enabled
W3 Closed IDE Disabled
Watchdog Timer
W4 Open Disable
W4 Closed* Enable
1W2A is not used. Do not install shorting jumpers.
2Devices expected to be available 4Q93
3Vbatt must be installed to save configuration information
at power down.
8TEK-AT2 REFERENCE MANUAL
Power Monitoring
W5 Open* Disable
W5 Closed Enable
Flash EPROM
W6 Open No Flash
W6 Closed* Flash Installed
RAM Disk Memory Type
W7(A-B) 32K x 8, 128K x 8 SRAM*
W7(B-C) 256K x 8, 512K x 8 SRAM
Boot From Flash EPROM
SW1(1-2) Open* Boot From Drives
SW1(1-2) Closed Boot From Flash
Color/Monochrome
SW1(3-4) Open* Mono, EGA, VGA
SW1(3-4) Closed Color CGA Only
Console Is VT100 Terminal
SW1(5-6) Open* Standard Display Mode
SW1(5-6) Closed VT100 Mode
Remote Download
SW1(7-8) Open* Normal
SW1(7-8) Closed Serial Download Mode
Refer to Diagram 2-1 and Table 2-1 for exact jumper
locations.
CONFIGURATION 11
DIAGRAM 2-1 JUMPER LOCATIONS
SPECIFICATIONS 57
SPECIFICATIONS SECTION 7
DC CHARACTERISTICS
Supply Voltage Vcc min.: 4.75V
Vcc max.: 5.25V
+12V: +/-5%
-12V: +/-5%
Supply Current Standard PC/AT Application7
25 Mhz
Icc typ.
950mA
Icc stby.
200mA
Ipp +12V
10mA
Ipp -12V
5mA
7This current was measured with 4 Mbytes of DRAM, 1 Mbyte
of User Flash EPROM, 256K SRAM, along with hard disk,
floppy disk, keyboard and monitor installed.
58 TEK-AT2 REFERENCE MANUAL
Embedded Application8
25 Mhz
Icc typ.
600ma
Icc stby.
200ma
Ipp +12V
40ma
Ipp -12V
5ma
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature:
00C to 700C
-400C to +850C Available
Non-Condensing relative humidity:
5% to 95%
8 This current was measured with 4 Mbytes of DRAM, 1 Mbyte of User Flash EPROM, and 256K SRAM only.
SPECIFICATIONS 59
DIAGRAM 7-1 MECHANICAL
SPECIFICATIONS
60 TEK-AT2 REFERENCE MANUAL
DIAGRAM 7-2 ASSEMBLY
Table of contents
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