MICRONICS COMPUTERS, INC.
MPOWER4
Processor | 80486SX/ODP486SX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed | 25/33/50(internal)/50/66(internal)/75(internal), 100(internal)MHz |
Chip Set | Micronics |
Max. Onboard DRAM | 64MB |
Cache | 64/128/256KB |
BIOS | Phoenix |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit VESA local bus, floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Parallel port | J1 | Video feature connector | J31 |
Serial port 2 | J2 | VGA port | J32 |
Serial port 1 | J3 | Turbo LED | W18 |
Power LED & keylock | J7 | Turbo switch | W19 |
PS/2 mouse port | J10 | Reset switch | W20 |
IDE interface | J26 | IDE interface LED | W21 |
Floppy drive interface | J27 | 32-bit VESA Local bus slots | SL1 |
Speaker | J30 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper/Switch | Position | |
» | Real time clock installed | W1 | Closed |
Real time clock not installed | W1 | Open | |
» | Monitor type select color | W2 | Closed |
Monitor type select monochrome | W2 | Open | |
» | IRQ12 PS/2 mouse enabled | W3 | Closed |
PS/2 mouse disabled | W3 | Open | |
» | Parity enabled | W4 | Closed |
Parity disabled | W4 | Open | |
» | CMOS memory normal operation | W5 | Closed |
CMOS memory clear | W5 | Open | |
» | Super I/O enabled | W7 | Open |
Super I/O disabled | W7 | Closed | |
» | Flash BIOS write protect enabled | W8 | Open |
Flash BIOS write protect disabled | W8 | Closed | |
» | PQFP not installed | W13 | Open |
PQFP disabled by Overdrive processor | W13 | pins 1 & 2 closed | |
PQFP manually disabled | W13 | pins 2 & 3 closed | |
» | Factory configured - do not alter | W15 | pins 1 & 2 closed |
» | Factory configured - do not alter | W31 | Open |
» | 80486SX CPU enabled | W33 | pins 2 & 3 closed |
80486SX CPU disabled | W33 | 1 & 2, 3 & 4 closed | |
» | Factory configured - do not alter | W36 | Open |
» | VGA IRQ9 disabled | W303 | Open |
VGA IRQ9 enabled | W303 | Closed | |
» | Factory configured - do not alter | SW1/3 | Open |
» | Factory configured - do not alter | SW1/4 | Open |
VPU chip disabled | SW2/1 | Open | |
VPU chip enabled | SW2/1 | Closed | |
Video RAMDAC at snooping mode | SW2/2 | Open | |
Video RAMDAC at normal mode | SW2/2 | Closed | |
VGA BIOS disabled | SW2/3 | Open | |
VGA BIOS enabled | SW2/3 | Closed | |
External speaker disabled | SW2/3 | Open | |
External speaker enabled | SW2/3 | Closed |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
1MB | (1) 256K x 36 | NONE | NONE | NONE |
2MB | (1) 256K x 36 | (1) 256K x 36 | NONE | NONE |
4MB | (1) 1M x 36 | NONE | NONE | NONE |
6MB | (1) 256K x 36 | (1) 256K x 36 | (1) 1M x 36 | NONE |
8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
10MB | (1) 256K x 36 | (1) 256K x 36 | (1) 1M x 36 | (1) 1M x 36 |
12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 | NONE |
16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
16MB | (1) 4M x 36 | NONE | NONE | NONE |
18MB | (1) 256K x 36 | (1) 256K x 36 | (1) 4M x 36 | NONE |
20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x 36 | NONE |
32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
36MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 |
48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
128KB | (4) 32K x 8 | NONE | (1) 32K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||||||
Size | W10 | W11 | W16 | W17 | W22 | W23 | W24 |
64KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
128KB | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
256KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
Note:Pins designated should be in the closed position. |
80486DX4 CONFIGURATION | ||
80486DX4 | W32 | W34 |
Disabled | pins 1 & 2 closed | pins 3 & 4 closed |
Enabled | Open | Open |
CPU SPEED CONFIGURATION | ||
Speed | Switch 1/1 | Switch 1/2 |
25MHz | Open | Closed |
33MHz | Closed | Closed |
50iMHz | Open | Closed |
66iMHz | Closed | Closed |
75iMHz | Open | Closed |
100iMHz | Closed | Closed |
DMA CHANNEL CONFIGURATION | ||
DMA Channel | W98 | W99 |
Channel 1 | pins 1 & 2 closed | pins 1 & 2 closed |
Channel 2 | pins 2 & 3 closed | pins 2 & 3 closed |
VRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
1MB | (2) 512K x 8 | NONE |
2MB | (2) 512K x 8 | (8) 256K x 4 |
Note: Bank 0 is factory installed and is not configurable. |