MICRONICS COMPUTERS, INC.
80386 ASIC CACHE ISA
Processor |
80386DX |
Processor Speed |
20/25/33MHz |
Chip Set |
Micronics |
Max. Onboard DRAM |
16MB |
Cache |
64KB (82385) |
BIOS |
Micronics |
Dimensions |
355.6mm x 304.8mm |
I/O Options |
Parallel port, serial ports (2), floppy drive interface, IDE interface |
NPU Options |
80387/3167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
J5 |
Serial port (COM1) |
J610 |
Auxiliary keyboard |
J6 |
Serial port (COM2) |
J611 |
Speaker |
J8 |
Reset switch |
W1 |
External battery |
J9 |
Turbo LED |
W4 |
IDE interface LED |
J60 |
Turbo switch |
W5 |
Parallel port |
J609 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
» |
Factory configured - do not alter |
SW1/1 |
On |
» |
NPU enabled |
SW1/2 |
Off |
NPU disabled |
SW1/2 |
On | |
» |
Factory configured - do not alter |
SW1/3 |
Off |
» |
Video BIOS shadowing enabled |
SW1/4 |
On |
Video BIOS shadowing disabled |
SW1/4 |
Off | |
» |
Factory configured - do not alter |
SW1/5 |
Off |
» |
Monitor type select color |
SW1/6 |
On |
Monitor type select monochrome |
SW1/6 |
Off | |
» |
Cache enabled |
SW1/7 |
On |
Cache disabled |
SW1/7 |
Off | |
» |
Factory configured - do not alter |
SW1/8 |
Off |
» |
Serial port (J610) select COM1/3F8-3FFh |
SW2/1 |
On |
Serial port (J610) disabled |
SW2/1 |
Off | |
» |
Serial port (J611) select COM2/2F8-2FF |
SW2/2 |
On |
Serial port (J611) disabled |
SW2/2 |
Off | |
» |
IDE interface (J606) enabled |
SW2/3 |
On |
IDE interface (J606) disabled |
SW2/3 |
Off | |
» |
Floppy interface (J607) enabled |
SW2/4 |
On |
Floppy interface (J607) disabled |
SW2/4 |
Off | |
» |
Floppy interface address select primary (3F0 - 3F7) |
SW2/5 |
On |
Floppy interface address select secondary (2F0 - 2F7) |
SW2/5 |
open | |
» |
Factory configured - do not alter |
SW2/8 |
On |
» |
BIOS select 27256 |
W2 |
pins 2 & 3 closed |
BIOS select 27512 |
W2 |
pins 1 & 2 closed | |
Non-cacheable region select E00000 through FFFFFF |
W9 |
Closed | |
Non-cacheable region select D00000 through DFFFFF |
W9 |
Open | |
» |
Base memory size select 640KB |
W10 |
Open |
Base memory size select 512KB |
W10 |
Closed | |
» |
Factory configured - do not alter |
W20 |
Open |
» |
Video BIOS cacheing enabled |
W501 |
Closed |
Video BIOS cacheing disabled |
W501 |
Open | |
» |
Floppy drive type select single speed |
W603 |
Open |
Floppy drive type select dual speed |
W603 |
Closed | |
» |
IDE interface (J606) precompensation mode normal (125ns) |
W604 |
Closed |
IDE interface (J606) precompensation mode alternate |
W604 |
Open |
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 |
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
NONE |
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
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 |
DRAM JUMPER CONFIGURATION | ||
Size |
W500 |
W510 |
1MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
2MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
4MB |
pins 2 & 3 closed |
pins 1 & 2 closed |
5MB |
pins 1 & 2 closed |
pins 2 & 3 closed |
6MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
8MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
9MB |
pins 1 & 2 closed |
pins 2 & 3 closed |
10MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
12MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
13MB |
pins 1 & 2 closed |
pins 2 & 3 closed |
16MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
CACHE CONFIGURATION | |||
Size |
Organization |
Bank 0 |
Bank 1 |
32KB |
Direct Mapped |
(4) 8K x 8 |
NONE |
64KB |
2-way Set-Associative |
(4) 8K x 8 |
(4) 8K x 8 |
CACHE JUMPER CONFIGURATION | ||
Size |
W14 |
W15 |
32KB |
Closed |
pins 1 & 2 closed |
64KB |
Open |
pins 2 & 3 closed |
PARALLEL PORT CONFIGURATION | ||
Setting |
SW2/6 |
SW2/7 |
LPT1/IRQ7/378-37F |
On |
On |
LPT1/IRQ7/3B8-3BF |
On |
Off |
LPT2/IRQ5/278-27F |
Off |
On |
Disabled |
Off |
Off |