ACTION INSTRUMENTS
FF286/16
|
Processor |
80286 |
|
Processor Speed |
12/16MHz |
|
Chip Set |
Headland |
|
Max. Onboard DRAM |
4MB |
|
SRAM Cache |
None |
|
BIOS |
Quadtel |
|
Dimensions |
337mm x 132mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA digital connector, VGA port |
|
NPU Options |
80287 |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
Turbo mode LED |
J3 |
Serial port (COM1) |
P5 |
|
IDE interface LED |
J8 |
Serial port (COM 2) |
P6 |
|
Parallel port |
P1 |
Floppy drive interface |
P7 |
|
VGA port |
P2 |
IDE interface |
P8 |
|
Video digital connector |
P3 |
|
|
|
PIN OUT CONFIGURATION P4 |
|
|
Function |
Pin |
|
Power good signal (from power supply) |
1 |
|
Keyboard ground |
2 |
|
+ Keyboard clock |
3 |
|
+ 5Vdc |
4 |
|
+ Keyboard data |
5 |
|
Ground |
6 |
|
Reset switch |
7 |
|
Keyboard inhibit switch |
8 |
|
Speaker |
9 & 10 |
|
Turbo switch |
11 & 12 |
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Jumper/Switch |
Position |
|
|
|
Onboard video interrupt select IRQ9 |
J1 |
pins 1 & 2 closed |
|
|
Onboard video interrupt select none |
J1 |
pins 2 & 3 closed |
|
|
Onboard floppy select DMA2 |
J2 |
Closed |
|
|
Onboard floppy select no DMA |
J2 |
Open |
|
|
Monitor type select color |
J4 |
Closed |
|
|
Monitor type select monochrome |
J4 |
Open |
|
|
Parallel port select unidirectional (printer) |
J5 |
pins 2 & 3 closed |
|
|
Parallel port select bi-directional |
J5 |
pins 1 & 2 closed |
|
|
Power good signal detect from board |
J6 |
Open |
|
|
Power good signal detect from power supply |
J6 |
Closed |
|
|
VGA clock synchronous with CPU |
J7 |
Open |
|
|
VGA clock synchronous with oscillator O3 |
J7 |
Closed |
|
|
IDE interface enabled |
J9 |
pins 2 & 3 closed |
|
|
IDE interface disabled |
J9 |
pins 1 & 2 closed |
|
Note: If J6 is closed, power good signal must come from P4/pin 1. If J6 is open, DO NOT connect P4/pin1! |
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|
. DRAM CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(2) 256k x 9 |
NONE |
|
1MB |
(2) 256k x 9 |
(2) 256k x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
|
2.5MB |
(2) 256K x 9 |
(2) 1M x 9 |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
|
CPU SPEED CONFIGURATION |
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|
CPU |
OSC/2 |
J10 |
|
|
|
16MHz |
16MHz |
Closed |
|
|
12MHz |
24MHz |
Open |