MICRONICS COMPUTERS, INC.
JX30WB
Processor |
SL80486SX/80486SX/80487SX/CX486M7/AM486DXL/SL80486DX/80486DX/ SL80486DX2/80486DX2/80486DX4/P24CT/P24D/Pentium Overdrive |
Processor Speed |
25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
Micronics |
Max. Onboard DRAM |
128MB |
Cache |
128/256/512/1024KB |
BIOS |
Phoenix |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse interface |
J1 |
IDE interface LED |
J16 |
Auxiliary keyboard connector |
J4 |
Speaker |
J17 |
External battery |
J9 |
Turbo switch |
J18 |
Serial port 1 |
J10 |
Turbo LED |
J19 |
Serial port 2 |
J11 |
Power LED & keylock |
J20 |
Parallel port |
J12 |
Reset switch |
J21 |
IDE interface (primary) |
J13 |
32-bit VESA local bus slots |
SL1 & SL2 |
IDE interface (secondary) |
J14 |
Green PC connector |
W6 |
Floppy drive interface |
J15 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Flash BIOS normal operation |
W1 |
pins 2 & 3 closed |
Flash BIOS recovery |
W1 |
pins 1 & 2 closed | |
» |
Monitor type select color |
W2 |
Closed |
Monitor type select monochrome |
W2 |
Open | |
» |
CMOS memory normal operation |
W5 |
pins 1 & 2 closed |
CMOS memory clear |
W5 |
pins 2 & 3 closed | |
» |
Primary IDE interface enabled |
W7 |
pins 1 & 2 closed |
Primary IDE interface disabled |
W7 |
pins 2 & 3 closed | |
» |
Parallel port IRQ select IRQ7 |
W8 |
pins 1 & 2 closed |
Parallel port IRQ select IRQ5 |
W8 |
pins 2 & 3 closed | |
» |
Factory configured - do not alter |
W16 |
pins 2 & 3 closed |
» |
Factory configured - do not alter |
W29 |
Open |
» |
Flash BIOS write protect enabled |
W31 |
Closed |
Flash BIOS write protect disabled |
W31 |
Open |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
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 |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
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) 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) 32K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
512KB |
(4) 128K x 8 |
NONE |
(1) 128K x 8 |
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 128K x 8 |
CACHE JUMPER CONFIGURATION | |||||
Size |
W13 |
W14 |
W15 |
W17 |
W30 |
128KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
Open |
256KB |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3, 4 & 5 |
Open |
512KB |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2 |
1MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3, 4 & 5 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | ||||
Type |
W11 |
W12 |
W18 |
W19 |
SL80486SX |
2 & 3 |
Open |
Open |
2 & 3 |
80486SX |
2 & 3 |
Open |
Open |
2 & 3 |
80487SX |
2 & 3 |
1 & 2 |
Open |
2 & 3 |
CX486M7 (3.3v) |
1 & 2, 3 & 4 |
2 & 3 |
Open |
2 & 3 |
CX486M7 (5v) |
1 & 2, 3 & 4 |
2 & 3 |
Open |
2 & 3 |
AM486DXL |
1 & 2, 3 & 4 |
2 & 3 |
Open |
2 & 3 |
SL80486DX |
1 & 2, 3 & 4 |
2 & 3 |
Open |
2 & 3 |
80486DX |
1 & 2, 3 & 4 |
2 & 3 |
Open |
2 & 3 |
SL80486DX2 |
1 & 2, 3 & 4 |
2 & 3 |
Open |
2 & 3 |
80486DX2 |
1 & 2, 3 & 4 |
2 & 3 |
Open |
2 & 3 |
80486DX4 (2x) |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
2 & 3 |
80486DX4 (2.5x) |
1 & 2, 3 & 4 |
2 & 3 |
1 & 2 |
2 & 3 |
80486DX4 (3x) |
1 & 2, 3 & 4 |
2 & 3 |
Open |
2 & 3 |
P24CT |
1 & 2, 3 & 4 |
1 & 2 |
Open |
1 & 2 |
P24D |
1 & 2, 3 & 4 |
2 & 3 |
Open |
1 & 2 |
P24T |
1 & 2, 3 & 4 |
1 & 2 |
Open |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CON’T) | |||||
Type |
W20 |
W21 |
W22 |
W23 |
W24 |
SL80486SX |
2 & 3 |
Open |
1 & 2 |
1 & 2 |
2 & 3 |
80486SX |
2 & 3 |
Open |
Open |
1 & 2 |
2 & 3 |
80487SX |
2 & 3 |
Open |
Open |
1 & 2 |
2 & 3 |
CX486M7 (3.3v) |
1 & 2 |
Open |
Open |
2 & 3 |
1 & 2 |
CX486M7 (5v) |
1 & 2 |
Open |
Open |
2 & 3 |
1 & 2 |
AM486DXL |
2 & 3 |
Open |
Open |
2 & 3 |
1 & 2 |
SL80486DX |
2 & 3 |
Open |
1 & 2 |
1 & 2 |
2 & 3 |
80486DX |
2 & 3 |
Open |
Open |
1 & 2 |
2 & 3 |
SL80486DX2 |
2 & 3 |
Open |
1 & 2 |
1 & 2 |
2 & 3 |
80486DX2 |
2 & 3 |
Open |
Open |
1 & 2 |
2 & 3 |
80486DX4 (2x) |
2 & 3 |
Open |
Open |
1 & 2 |
2 & 3 |
80486DX4 (2.5x) |
2 & 3 |
Open |
Open |
1 & 2 |
2 & 3 |
80486DX4 (3x) |
2 & 3 |
Open |
Open |
1 & 2 |
2 & 3 |
P24CT |
2 & 3 |
Open |
Open |
1 & 2 |
1 & 2 |
P24D |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
P24T |
2 & 3 |
Open |
Open |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CON’T) | ||||
Type |
W25 |
W26 |
W27 |
W28 |
SL80486SX |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
80486SX |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
80487SX |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
CX486M7 (3.3v) |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
CX486M7 (5v) |
2 & 3 |
2 & 3 |
2 & 3, 4 & 5 |
2 & 3 |
AM486DXL |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
SL80486DX |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
80486DX |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
SL80486DX2 |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
80486DX2 |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
80486DX4 (2x) |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
80486DX4 (2.5x) |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
80486DX4 (3x) |
2 & 3 |
4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
P24CT |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
3 & 4 |
P24D |
1 & 2 |
4 & 5 |
1 & 2 |
1 & 2, 3 & 4 |
P24T |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4 |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | |
Speed |
W10 |
25MHz |
Open |
33MHz |
Closed |
50iMHz |
Open |
66iMHz |
Closed |
75iMHz |
Open |
100iMHz |
Closed |
DMA CONFIGURATION | ||
DMA |
W3 |
W4 |
Disabled |
Open |
Open |
DMA1 |
pins 1 & 2 closed |
pins 1 & 2 closed |
DMA3 |
pins 2 & 3 closed |
pins 2 & 3 closed |