INFORMTECH INTERNATIONAL, INC.
BABY 286MB Ver. 1.20
|
Processor |
80286 |
|
Processor Speed |
5/6/8/10MHz |
|
Chip Set |
C & T |
|
Max. Onboard DRAM |
1MB |
|
SRAM Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Auxilliary keyboard connector |
|
NPU Options |
80287 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
Power good signal detect from power supply |
J14 |
pins 2 & 3 closed |
|
Power good signal detect from board |
J14 |
pins 1 & 2 closed | |
|
BIOS type select 27256 |
J15 |
pins 1 & 2 closed | |
|
BIOS type select 27128 |
J15 |
pins 2 & 3 closed | |
| » |
Factory configured - do not alter |
SW1/Switch 5 |
closed |
| » |
Monitor type select monochrome |
SW1/Switch 6 |
open |
|
Monitor type select color |
SW1/Switch 6 |
closed | |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
P1 |
Power LED & keylock |
P4 |
|
Turbo LED |
P2 |
Auxilliary keyboard |
P6 |
|
Reset switch |
P3 |
External battery |
P8 |
|
DRAM CONFIGURATION | |||||
|
Size |
Bank 0 |
Bank 1 |
SW1/Switch 3 |
SW2/Switch 4 | |
|
256KB |
(18) 4164 |
(18) 4164 |
closed |
open | |
|
512KB |
(18) 41256 |
NONE |
open |
open | |
| » |
640KB |
(18) 41256 |
(18) 4164 |
closed |
closed |
|
1024KB |
(18) 41256 |
(18) 41256 |
open |
closed | |
|
NPU SPEED CONFIGUARATION | |||
|
NPU Speed |
Clock Rate |
J7 |
J8 |
|
80287-12 |
8/12MHz |
open |
pins 1 & 2 closed |
|
80287-12 |
6.7/10MHz |
open |
pins 1 & 2 closed |
|
80287-10 |
6.7/10MHz |
open |
pins 1 & 2 closed |
|
80287-10 |
5.3/8MHz |
closed |
pins 2 & 3 closed |
|
80287-8 |
5.3/8MHz |
closed |
pins 2 & 3 closed |
|
80287-8 |
4.4/6MHz |
closed |
pins 2 & 3 closed |
|
80287-6 |
4.4/6MHz |
closed |
pins 2 & 3 closed |
|
80287-6 |
2.6/4MHz |
closed |
pins 1 & 2 closed |
|
BATTERY TYPE CONFIGUARATION | |||
|
Battery |
J12 |
J13 | |
| » |
Internal lithium (2 x 3VDC) |
pins 1 & 2 closed |
closed |
|
External lithium (6VDC) |
open |
closed | |
|
External alkaline (6VDC) |
open |
open | |
|
SYSTEM CLOCK WAIT STATE CONFIGURATION | |||||
|
Speed |
Wait State |
J2 |
J5 |
J8 |
J11 |
|
10MHz |
0 |
closed |
pins 1 & 2 |
closed |
pins 1 & 2 |
|
10MHz |
1 |
open |
pins 1 & 2 |
open |
pins 1 & 2 |
|
12MHz |
0 |
closed |
pins 2 & 3 |
closed |
pins 2 & 3 |
|
12MHz |
1 |
open |
pins 2 & 3 |
open |
pins 2 & 3 |
|
Note:Pins designated should be in the closed position. | |||||
|
I/O MODE WAIT STATE CONFIGURATION | ||||||
|
Wait States |
8-BIT I/O |
8-BIT Memory |
16-BIT I/O |
16-BIT Memory |
SW1/ Switch 1 |
SW1/ Switch 2 |
|
0 |
0 (6) |
0 (6) |
0 (3) |
0 (3) |
closed |
closed |
|
1 |
0 (6) |
0 (6) |
0 (3) |
1 (4) |
closed |
open |
|
2 |
1 (7) |
1 (7) |
1 (4) |
1 (4) |
open |
closed |
|
3 |
2 (8) |
2 (8) |
1 (4) |
2 (5) |
open |
open |