DYNA MICRO, INC.
MBA-386B-25
Processor |
80386DX |
Processor Speed |
25MHz |
Chip Set |
UMC |
Max. Onboard DRAM |
12MB |
Cache |
None |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
80387/3167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Speed display |
J1 |
Speaker |
J5 |
Auxiliary keyboard |
J2 |
Power LED & keylock |
J6 |
Reset switch |
J3 & J14 |
Turbo LED |
J7 |
Turbo switch |
J4 & J13 |
External battery |
J11 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Monitor type select monochrome |
J8 |
open |
Monitor type select color |
J8 |
closed | |
» |
NPU type select 3167 or none |
J9 |
closed |
NPU type select 80387 |
J9 |
open | |
» |
Battery select internal |
J12 |
pins 2 & 3 closed |
Battery select external |
J12 |
pins 1 & 2 closed | |
» |
Factory configured - do not alter |
JP6 |
pins 1 & 2 closed |
» |
Factory configured - do not alter |
JP7 |
pins 2 & 3 closed |
DRAM CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
1MB |
(4) 256K x 9 |
NONE |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
NONE |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
DRAM SWITCH CONFIGURATION | |||
Size |
SW1/1 |
SW1/2 |
SW1/3 |
1MB |
On |
On |
On |
2MB |
On |
Off |
On |
3MB |
On |
Off |
Off |
4MB |
Off |
On |
On |
8MB |
Off |
Off |
On |
12MB |
Off |
Off |
Off |
DRAM SPEED CONFIGURATION | |||
Speed |
SW1/1 |
SW1/2 |
SW1/3 |
80ns |
On |
On |
On |
100ns |
On |
Off |
On |