MICRONICS COMPUTERS, INC.
80486 ASIC EISA
|
Processor |
80486DX/80486DX2 |
|
Processor Speed |
25/33/50(internal)MHz |
|
Chip Set |
Micronics |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/256KB |
|
BIOS |
Phoenix |
|
Dimensions |
355mm x 302mm |
|
I/O Options |
32-bit external memory card slot |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External keyboard |
J1 |
Speaker |
J22 |
|
Parallel port |
J4 |
Power LED & keylock |
J23 |
|
Serial port COM1 |
J5 |
Reset switch |
W5 |
|
Serial port COM2 |
J15 |
Turbo switch |
W6 |
|
Floppy drive interface |
J17 |
Turbo LED |
W7 |
|
External battery |
J18 |
Local bus expansion slot |
S1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
Factory configured - do not alter |
W8 |
pins 1 & 2 closed |
| » |
Factory configured - do not alter |
W10 |
pins 2 & 3 closed |
| » |
Factory configured - do not alter |
W11 |
pins 2 & 3 closed |
| » |
Factory configured - do not alter |
W12 |
pins 1 & 2 closed |
| » |
Floppy drive interface enabled |
W13 |
pins 1 & 2 closed |
|
Floppy drive interface disabled |
W13 |
pins 2 & 3 closed | |
| » |
CPU type select 80486DX-33 |
W43 |
Open |
|
CPU type select 80486DX2-50 |
W43 |
pins 1 & 2 closed | |
| » |
Factory configured - do not alter |
W45 |
pins 1 & 2 closed |
| » |
Factory configured - do not alter |
SW1/6 |
On |
| » |
Factory configured - do not alter |
SW1/7 |
Off |
| » |
Monitor type select color |
SW1/8 |
On |
|
Monitor type select monochrome |
SW1/8 |
Off | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
|
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
|
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1 M x 9 |
NONE |
NONE |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
|
7MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
9MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
13MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
24MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
|
28MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
36MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
|
40MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
|
52MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
DRAM SWITCH CONFIGURATION | |||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
|
1MB |
On |
On |
On |
On |
On |
|
2MB |
Off |
On |
On |
On |
On |
|
3MB |
On |
Off |
On |
On |
On |
|
4MB 1 |
Off |
Off |
On |
On |
On |
|
4MB 2 |
On |
On |
Off |
On |
On |
|
5MB |
On |
On |
Off |
Off |
On |
|
6MB |
On |
Off |
On |
Off |
On |
|
7MB |
Off |
On |
On |
Off |
On |
|
8MB |
Off |
On |
Off |
On |
On |
|
9MB |
On |
Off |
Off |
Off |
On |
|
10MB |
Off |
Off |
On |
Off |
On |
|
12MB |
On |
Off |
Off |
On |
On |
|
13MB |
Off |
Off |
Off |
Off |
On |
|
16MB 1 |
Off |
Off |
Off |
On |
On |
|
16MB 3 |
On |
On |
Off |
On |
Off |
|
20MB |
On |
On |
Off |
Off |
Off |
|
24MB |
On |
Off |
On |
Off |
Off |
|
28MB |
Off |
On |
On |
Off |
Off |
|
32MB |
Off |
On |
Off |
On |
Off |
|
36MB |
On |
Off |
Off |
Off |
Off |
|
40MB |
Off |
Off |
On |
Off |
Off |
|
48MB |
On |
Off |
Off |
On |
Off |
|
52MB |
Off |
Off |
Off |
Off |
Off |
|
64MB |
Off |
Off |
Off |
On |
Off |
|
Note 1 :Use this setting when banks are populated with (4) 256K x 9 SIMMsNote 2 :Use this setting when banks are populated with (4) 1M x 9 SIMMsNote 3 :Use this setting when banks are populated with (4) 4M x 9 SIMMs | |||||
|
CACHE CONFIGURATION | |
|
Size |
Bank 0 |
|
64KB |
(8) 8K x 8 |
|
256KB |
(8) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
W20 |
W21 |
W41 |
W44 |
|
64KB |
pins 2 & 3 closed |
Open |
Open |
Open |
|
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
PARALLEL PORT CONFIGURATION | ||
|
Size |
W3 |
W4 |
|
LPT1 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
LPT2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
LPT3 |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
SERIAL COM PORT CONFIGURATION | ||
|
Size |
W2 |
W9 |
|
COM1 (J5) and COM2 (J15) enabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
COM1 (J5) enabled and COM2 (J15) disabled |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
COM1 (J5) disabled and COM2 (J15) enabled |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
COM1 (J5) and COM2 (J15) disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |