MICRONICS COMPUTERS, INC.
M4P
Processor |
80486SX/80486DX/80486DX2 |
Processor Speed |
25/33/50(internal)/66(internal)MHz |
Chip Set |
Intel |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB |
Maximum Video Memory |
None |
Cache |
128/256KB |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit PCI slots (3), floppy drive interface, IDE interface, parallel port, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Auxiliary keyboard connector |
J8 |
Reset switch |
J55 |
Serial port 1 |
J18 |
Speaker |
J56 |
Serial port 2 |
J21 |
Power LED & keylock |
J57 |
Parallel port |
J22 |
Turbo LED |
J62 |
IDE interface |
J38 |
Turbo switch |
J63 |
Floppy drive interface |
J39 |
32-bit PCI slots |
PC1 - PC3 |
IDE interface LED |
J54 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
IRQ5 used by PCI |
J27 |
Closed | |
IRQ5 available for ISA peripheral |
J27 |
Open | |
IRQ11 used by PCI |
J28 |
Closed | |
IRQ11 available for ISA peripheral |
J28 |
Open | |
IRQ15 used by PCI |
J29 |
Closed | |
IRQ15 available for ISA peripheral |
J29 |
Open | |
PS/2 mouse enabled |
J34 |
Closed | |
PS/2 mouse disabled |
J34 |
Open | |
» |
Factory configured - do not alter |
J46 |
Pins 1 & 2 closed |
» |
Factory configured - do not alter |
J47 |
Pins 2 & 3 closed |
» |
Factory configured - do not alter |
J48 |
Pins 1 & 2 closed |
» |
Factory configured - do not alter |
J49 |
Pins 1 & 2 closed |
» |
Factory configured - do not alter |
J50 |
Pins 1 & 2 closed |
» |
Factory configured - do not alter |
J51 |
Pins 2 & 3 closed |
» |
Factory configured - do not alter |
J59 |
Closed |
» |
Factory configured - do not alter |
J60 |
Open |
Cache type select write through |
J61 |
Pins 1 & 2 closed | |
Cache type select write back |
J61 |
Pins 2 & 3 closed | |
» |
Factory configured - do not alter |
J64 |
Open |
» |
Factory configured - do not alter |
J65 |
Open |
» |
Factory configured - do not alter |
J66 |
Open |
» |
Factory configured - do not alter |
J67 |
Open |
» |
Factory configured - do not alter |
J68 |
Open |
» |
Factory configured - do not alter |
J69 |
Open |
» |
Factory configured - do not alter |
J72 |
Open |
» |
Factory configured - do not alter |
W1 |
Open |
Flash BIOS write protect disabled |
W2 |
Closed | |
Flash BIOS write protect enabled |
W2 |
Open | |
» |
Monitor type select color |
W5 |
Closed |
Monitor type select monochrome |
W5 |
Open | |
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 |
W9 |
Open |
Flash BIOS normal operation |
W10 |
Pins 2 & 3 closed | |
Flash BIOS recovery mode |
W10 |
Pins 1 & 2 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(1) 256K x 36 |
None |
None |
None |
2MB |
(1) 512K x 36 |
None |
None |
None |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
None |
None |
3MB |
(1) 512K x 36 |
(1) 256K x 36 |
None |
None |
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
3MB |
(1) 256K x 36 |
(1) 512K x 36 |
None |
None |
4MB |
(1) 1M x 36 |
None |
None |
None |
4MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
None |
None |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
None |
None |
5MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
None |
None |
7MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
7MB |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
8MB |
(1) 2M x 36 |
None |
None |
None |
8MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
9MB |
(1) 2M x 36 |
(1) 256K x 36 |
None |
None |
9MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
10MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
10MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
None |
None |
11MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
12MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
None |
None |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
None |
None |
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
14MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
14MB |
(1) 512K 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) 1M x 36 |
(1) 1M x 36 |
None |
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
None |
None |
17MB |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
None |
None |
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
18MB |
(1) 4M x 36 |
(1) 512K x 36 |
None |
None |
18MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
DRAM CONFIGURATION (CON’T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
18MB |
(1) 512K x 36 |
(1) 4M x 36 |
None |
None |
19MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
20MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
None |
None |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
None |
None |
22MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
None |
None |
25MB |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
26MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
28MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
32MB |
(1) 8M x 36 |
None |
None |
None |
32MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
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 |
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
None |
None |
33MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
33MB |
(1) 256K x 36 |
(1) 8M x 36 |
None |
None |
34MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
None |
None |
34MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
34MB |
(1) 512K x 36 |
(1) 8M x 36 |
None |
None |
35MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
36MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
None |
None |
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
36MB |
(1) 1M x 36 |
(1) 8M x 36 |
None |
None |
38MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
None |
None |
40MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
None |
None |
44MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
48MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
None |
None |
49MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
50MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
56MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
56MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
DRAM CONFIGURATION (CON’T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
65MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
66MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
72MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
80MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
80MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
97MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
98MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
100MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
104MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
112MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M 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 |
128KB |
(4) 32K x 8 |
None |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||
Size |
J52 |
J53 |
J58 |
128KB |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Open |
256KB |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Closed |
CPU SPEED SELECTION | ||
Speed |
J40 |
J45 |
25MHz |
Open |
Pins 2 & 3 closed |
33MHz |
Closed |
Pins 1 & 2 closed |
50iMHz |
Open |
Pins 2 & 3 closed |
66iMHz |
Closed |
Pins 1 & 2 closed |
CPU TYPE SELECTION | |
Type |
J71 |
80486SX |
Pins 2 & 3 closed |
80486DX |
Pins 1 & 2, 3 & 4 closed |
80486DX2 |
Pins 1 & 2, 3 & 4 closed |
DMA CHANNEL SELECTION | ||
Channel |
W6 |
W7 |
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
IDE DMA CHANNEL SELECTION | ||
Channel |
W11 |
W12 |
6 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
7 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
DIRQ SELECTION | |||||||
DIRQ |
J13 |
J20 |
J23 |
J24 |
J25 |
J26 |
J35 |
3 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
4 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
5 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
6 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
7 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
10 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
14 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |