MICRONICS COMPUTERS, INC.
LPM30 (REV. 3A)
|
Processor |
80486SX/SL80486SX/CX486DX/AM486DX/80486DX/SL80486DX/CX486DX2/ AM486DX2/80486DX2/SL80486DX2/AM486DX4/80486DX4/ Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
Micronics |
|
Max. Onboard DRAM |
128MB |
|
Cache |
128/256KB |
|
BIOS |
Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Riser card slot, floppy drive interface, game port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, LAN connector, modem port, audio connector, microphone input, line level input, line level output, speaker port |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Modem connector |
CN1 |
Turbo switch |
J23 |
|
Parallel port |
CN2 |
Reset switch |
J24 |
|
LAN connector |
CN3 |
IDE interface LED |
J36 |
|
Floppy drive interface |
CN4 |
PS/2 mouse port |
S1 |
|
IDE interface (secondary) |
CN5 |
Serial port 1 |
S2 |
|
IDE interface (primary) |
CN6 |
Game port |
S3 |
|
CONNECTIONS (CON’T) | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 2 |
CN7 |
Microphone input |
S4 |
|
Audio connector |
CN8 |
Line level input |
S5 |
|
VGA Feature connector |
CN9 |
Line level output |
S6 |
|
Power LED & keylock |
J19 |
Speaker port |
S7 |
|
Speaker connector |
J20 |
VGA port |
S8 |
|
Power module connector |
J21 |
Riser card slot |
SL1 & SL2 |
|
Turbo LED |
J22 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Monitor type select color |
W1 |
Closed |
|
Monitor type select monochrome |
W1 |
Open | |
|
» |
Game port enabled |
W2 |
Closed |
|
Game port disabled |
W2 |
Open | |
|
» |
On-board sound address select 240h |
W3 |
pins 1 & 2 closed |
|
On-board sound address select 220h |
W3 |
pins 2 & 3 closed | |
|
» |
On-board sound enabled |
W4 |
Open |
|
On-board sound disabled |
W4 |
Closed | |
|
» |
IRQ select IRQ5 |
W5 |
pins 2 & 3 closed |
|
IRQ select IRQ7 |
W5 |
pins 1 & 2 closed | |
|
» |
On-board sound IRQ select IRQ5 |
W7 |
pins 1 & 2 closed |
|
On-board sound IRQ select IRQ9 |
W7 |
pins 2 & 3 closed | |
|
» |
On-board I/O enabled |
W11 |
Open |
|
On-board I/O disabled |
W11 |
Closed | |
|
» |
Factory configured - do not alter |
W13 |
pins 1 & 2 closed |
|
» |
On-board VGA enabled |
W14 |
Open |
|
On-board VGA disabled |
W14 |
Closed | |
|
» |
RAMDAC enabled |
W15 |
Open |
|
RAMDAC disabled/feature enabled |
W15 |
Closed | |
|
» |
Factory configured - do not alter |
W17 |
Open |
|
» |
Flash BIOS normal mode |
W18 |
Open |
|
Flash BIOS programing mode |
W18 |
Closed | |
|
» |
Factory configured - do not alter |
W19 |
pins 1 & 2, 3 & 4 closed |
|
» |
Buzzer enabled |
W20 |
Closed |
|
Buzzer disabled |
W20 |
Open | |
|
» |
DRAM select standard 5v |
W21 |
Open |
|
DRAM select micron 12v |
W21 |
Closed | |
|
» |
CMOS memory normal operation |
W25 |
pins 1 & 2 closed |
|
CMOS memory clear |
W25 |
pins 2 & 3 closed | |
|
» |
IDE interface enabled |
W28 |
pins 1 & 2 closed |
|
IDE interface disabled |
W28 |
pins 2 & 3 closed | |
|
» |
Factory configured - do not alter |
W29 |
pins 2 & 3 closed |
|
Note: The location of W17 is unidentified. | |||
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
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 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
72MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
80MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
W39 |
W42 |
|
128KB |
pins 1 & 2, 3 & 4 closed |
Open |
|
256KB |
pins 2 & 3, 4 & 5 closed |
Closed |
|
CPU TYPE CONFIGURATION | |||||
|
Type |
W22 |
W23 |
W30 |
W31 |
W32 |
|
80486SX |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
|
SL80486SX |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
CX486DX |
1 & 2 |
2 & 3 |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
|
AM486DX |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
80486DX |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
SL80486DX |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
CX486DX2 |
1 & 2 |
2 & 3 |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
|
AM486DX2 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
80486DX2 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
80486DX2(WB) |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
1 & 2 |
|
SL80486DX2 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
AM486DXL4 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
Open |
2 & 3 |
|
80486DX4 |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
|
Pentium Overdrive |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
1 & 2 |
|
Note: Pins designated should be in closed position. | |||||
|
CPU TYPE CONFIGURATION (CON’T) | |||||
|
Type |
W33 |
W34 |
W35 |
W38 |
W40 |
|
80486SX |
Open |
Open |
Open |
3 & 4 |
4 & 5 |
|
SL80486SX |
Open |
Open |
1 & 2 |
3 & 4 |
4 & 5 |
|
CX486DX |
Open |
1 & 2 |
Open |
3 & 4 |
2 & 3 |
|
AM486DX |
Open |
Open |
Open |
1 & 2, 3 & 4 |
4 & 5 |
|
80486DX |
Open |
Open |
Open |
3 & 4 |
4 & 5 |
|
SL80486DX |
Open |
Open |
1 & 2 |
3 & 4 |
4 & 5 |
|
CX486DX2 |
Open |
1 & 2 |
Open |
3 & 4 |
2 & 3 |
|
AM486DX2 |
Open |
Open |
Open |
1 & 2, 3 & 4 |
4 & 5 |
|
80486DX2 |
Open |
Open |
Open |
3 & 4 |
4 & 5 |
|
80486DX2(WB) |
Closed |
1 & 2 |
2 & 3 |
3 & 4 |
4 & 5 |
|
SL80486DX2 |
Open |
Open |
1 & 2 |
3 & 4 |
4 & 5 |
|
AM486DXL4 |
Open |
2 & 3 |
Open |
1 & 2, 3 & 4 |
4 & 5 |
|
80486DX4 |
Open |
Open |
Open |
3 & 4 |
4 & 5 |
|
Pentium Overdrive |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
Note: Pins designated should be in closed position. | |||||
|
CPU TYPE CONFIGURATION (CON’T) | ||||
|
Type |
W41 |
W43 |
W44 |
W45 |
|
80486SX |
3 & 4 |
1 & 2 |
Open |
Open |
|
SL80486SX |
3 & 4 |
1 & 2 |
Open |
Open |
|
CX486DX |
2 & 3 |
2 & 3 |
Open |
Open |
|
AM486DX |
Open |
1 & 2 |
Closed |
1 & 2 |
|
80486DX |
3 & 4 |
1 & 2 |
Open |
Open |
|
SL80486DX |
3 & 4 |
1 & 2 |
Open |
Open |
|
CX486DX2 |
2 & 3 |
2 & 3 |
Open |
Open |
|
AM486DX2 |
Open |
1 & 2 |
Closed |
1 & 2 |
|
80486DX2 |
3 & 4 |
1 & 2 |
Open |
Open |
|
80486DX2(WB) |
1 & 2, 3 & 4 |
1 & 2 |
Open |
Open |
|
SL80486DX2 |
3 & 4 |
1 & 2 |
Open |
Open |
|
AM486DXL4 |
Open |
1 & 2 |
Closed |
Open |
|
80486DX4 |
3 & 4 |
1 & 2 |
Open |
Open |
|
Pentium Overdrive |
3 & 4 |
1 & 2 |
Open |
Open |
|
Note: Pins designated should be in closed position. | ||||
|
CPU SPEED CONFIGURATION | ||
|
Speed |
W26 |
W27 |
|
25MHz |
Open |
Open |
|
33MHz |
Open |
Closed |
|
40MHz |
Closed |
Open |
|
50iMHz |
Open |
Open |
|
66iMHz |
Open |
Closed |
|
75iMHz |
Open |
Open |
|
100iMHz |
Open |
Closed |
|
DMA CONFIGURATION | ||
|
DMA |
W6 |
W10 |
|
None |
Open |
Open |
|
DMA1 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
DMA3 |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
DRQ CONFIGURATION | ||
|
DRQ |
W8 |
W9 |
|
None |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
DRQ0 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
DRQ1 |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
DRQ3 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
VRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(2) 256K x 16 |
NONE |
|
2MB |
(2) 256K x 16 |
(2) 256K x 16 |
|
Note: Bank 0 is factory installed and is not configurable. | ||