BASE SYSTEMS, INC.
BT 1000
|
Processor |
80286 |
|
Processor Speed |
10MHz |
|
Chip Set |
Everex |
|
Max. Onboard DRAM |
1MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
355mm x 304mm |
|
I/O Options |
Serial ports (2), parallel port |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J2 |
Turbo LED |
J12 pins 1 & 2 |
|
Power LED & keylock |
J3 |
Reset switch |
J12 pin 3 |
|
Serial port 2 |
J7 |
Ground |
J12 pin 4 |
|
Serial port 2 |
J9 |
Turbo switch |
J12 pin 5 |
|
Parallel port |
J8 |
External battery |
W15 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
DRAM speed select 0 wait states |
W1/5 |
On |
|
DRAM synchronous with 16-bit access cycle wait state |
W1/5 |
Off | |
| » |
Factory configured - do not alter |
W1/6 |
Off |
| » |
Monitor type select color |
W3 |
Closed |
|
Monitor type select monochrome |
W3 |
Open | |
| » |
8-bit access cycle speed select 4 wait states |
W7 |
pins 1 & 2 closed |
|
8-bit access cycle speed select 5 wait states |
W7 |
pins 3 & 4 closed | |
|
8-bit access cycle speed select 6 wait states |
W7 |
pins 5 & 6 closed | |
| » |
Factory configured - do not alter |
W10 |
N/A |
| » |
Factory configured - do not alter |
W12 |
pins 3 & 4 closed |
| » |
Factory configured - do not alter |
W13 |
N/A |
| » |
Factory configured - do not alter |
W16 |
N/A |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
W1/switch 7 |
W1/switch 8 |
|
256KB |
(18) 4164 |
(18) 4164 |
closed |
closed |
|
512KB |
(18) 41256 |
NONE |
closed |
open |
|
640KB |
(18) 41256 |
(18) 4164 |
open |
closed |
|
1MB |
(18) 41256 |
(18) 41256 |
open |
open |
|
NPU SPEED CONFIGURATION | ||
|
Speed |
W8 |
W11 |
|
8MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
10MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
PARALLEL PORT CONFIGURATION | ||||||
|
Port |
IRQ |
Address |
W4/1 |
W4/2 |
W4/3 |
W4/4 |
|
Disabled |
NONE |
NONE |
Off |
Off |
Off |
Off |
|
LPT1 |
IRQ7 |
378H-37FH |
On |
Off |
On |
Off |
|
LPT2 |
IRQ5 |
278H-27FH |
On |
On |
Off |
On |
|
SERIAL PORT 1 CONFIGURATION | |
|
Port |
W14 |
|
COM1 |
pins 1 & 2, 3 & 4 closed |
|
COM3 |
pins 1 & 2 closed |
|
Disabled |
pins 3 & 4 closed |
|
SERIAL PORT 2 CONFIGURATION | |
|
Port |
W14 |
|
COM2 |
pins 5 & 6, 7 & 8 closed |
|
COM4 |
pins 5 & 6 closed |
|
Disabled |
pins 7 & 8 closed |
|
NPU SPEED CONFIGURATION | ||
|
Speed |
W8 |
W11 |
|
8MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
10MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
BIOS CONFIGURATION | ||||
|
Size |
W1/1 |
W1/2 |
W1/3 |
W1/4 |
|
27128 |
On |
On |
Off |
Off |
|
27256 |
Off |
Off |
On |
On |