MAGITRONICS
386-40UM
Processor |
80386DX |
Processor Speed |
33/40MHz |
Chip Set |
UMC |
Max. Onboard DRAM |
32MB |
SRAM Cache |
64/128/256KB |
BIOS |
AMI |
Dimensions |
260mm x 220mm |
I/O Options |
None |
NPU Options |
80387DX/3167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
J1 |
Turbo switch |
J4 |
Speaker |
J2 |
Turbo LED |
J5 |
Reset switch |
J3 |
External battery |
J11 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
NPU enabled |
J7 |
Closed | |
NPU disabled |
J7 |
Open | |
Monitor type select color |
J8 |
Closed | |
Monitor type select monochrome |
J8 |
Open | |
Battery select internal |
J9 |
pins 2 & 3 closed | |
Battery select external |
J9 |
pins 1 & 2 closed | |
CMOS memory normal operation |
J11 |
pins 2 & 3 closed | |
CMOS memory clear |
J11 |
pins 1 & 2 closed | |
Note: When selecting an external battery (J9), the external battery must be connected to J11. |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
SRAM CONFIGURATION | |||
Size |
Cache |
Location |
TAG |
64KB |
(8) 8K x 8 |
Banks 0 & 1 |
(1) 8K x 8 |
128KB |
(4) 32K x 8 |
Bank 0 |
(1) 8K x 8 |
256KB |
(8) 32K x 8 |
Banks 0 & 1 |
(1) 32K x 8 |
SRAM JUMPER CONFIGURATION | |||||
Size |
W1 |
W2 |
W3 |
W4 |
W5 |
64KB |
pins 2 & 3 |
Open |
Open |
pins 1 & 2 |
pins 1 & 2 |
128KB |
pins 1 & 2 |
Open |
Closed |
pins 2 & 3 |
pins 1 & 2 |
256KB |
pins 2 & 3 |
Closed |
Closed |
pins 2 & 3 |
pins 2 & 3 |
Note: Pins designated should be in the closed position |