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# EDOM INTERNATIONAL CORPORATION
486PIG (MP042)
Processor 80486SX/CX486M7/UMC U5S/80486DX/80486DX2/80486DX4/P24D/ Pentium
Overdrive
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set OPTI
Max. 128MB
Onboard
DRAM
Cache 128/512KB
BIOS Award
Dimensions 220mm x 190mm
I/O 32-bit PCI slots (4), green PC connector
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| External battery | J2 | Turbo switch | JP40 |
|--------------------+----------+-----------------+----------|
| Power LED & | J9 | Speaker | JP41 |
| keylock | | | |
|--------------------+----------+-----------------+----------|
| Green PC connector | JP3 | 32-bit PCI | PC1 - |
| | | slots | PC4 |
|--------------------+----------+-----------------+----------|
| Green PC LED | JP38 | Reset switch | S1 |
|--------------------+----------+-----------------+----------|
| Turbo LED | JP39 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CPU write type select write back | JP17 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CPU write type select write | JP17 | pins 2 & 3 |
| | through | | closed |
|---+----------------------------------+--------+------------|
| » | CPU clock speed >33MHz | JP27 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CPU clock speed =<33MHz | JP27 | pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | PCI asynchronous with CPU | JP33 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | PCI synchronous with CPU | JP33 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP37 | N/A |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (1) 512K x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (1) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (1) 512K x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 8MB | (1) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (1) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (1) 16M x 36 | NONE |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 36 | (1) 16M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | (1) 8K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 128K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP13 | JP19 | JP22 |
|------------+-------------------+-------------+-------------|
| 128KB | pins 2 & 3 closed | Open | Open |
|------------+-------------------+-------------+-------------|
| 512KB | pins 1 & 2 closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP14 | JP15 | JP21 | JP23 |
|----------------+------------+------------+--------+--------|
| 80486SX | pins 1 & 2 | Open | Open | Open |
| | closed | | | |
|----------------+------------+------------+--------+--------|
| CX486M7 | pins 1 & 2 | pins 1 & 2 | Closed | Closed |
| | closed | closed | | |
|----------------+------------+------------+--------+--------|
| UMC U5S | pins 1 & 2 | Open | Open | Open |
| | closed | | | |
|----------------+------------+------------+--------+--------|
| 80486DX | pins 1 & 2 | Open | Open | Open |
| | closed | | | |
|----------------+------------+------------+--------+--------|
| 80486DX2 | pins 1 & 2 | Open | Open | Open |
| | closed | | | |
|----------------+------------+------------+--------+--------|
| 80486DX4 | pins 1 & 2 | Open | Open | Open |
| | closed | | | |
|----------------+------------+------------+--------+--------|
| P24D | pins 1 & 2 | pins 2 & 3 | Closed | Open |
| | closed | closed | | |
|----------------+------------+------------+--------+--------|
| Pentium | pins 2 & 3 | Open | Open | Open |
| Overdrive | closed | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP24 | JP25 | JP26 | JP29 |
|------------+------------+--------+------------------+------|
| 80486SX | Open | Open | pins 2 & 3 | Open |
| | | | closed | |
|------------+------------+--------+------------------+------|
| CX486M7 | Open | Open | pins 1 & 2, 3 & | Open |
| | | | 4 closed | |
|------------+------------+--------+------------------+------|
| UMC U5S | pins 1 & 2 | Open | pins 1 & 2, 3 & | Open |
| | closed | | 4 closed | |
|------------+------------+--------+------------------+------|
| 80486DX | pins 1 & 2 | Open | pins 1 & 2, 3 & | Open |
| | closed | | 4 closed | |
|------------+------------+--------+------------------+------|
| 80486DX2 | pins 1 & 2 | Open | pins 1 & 2, 3 & | Open |
| | closed | | 4 closed | |
|------------+------------+--------+------------------+------|
| 80486DX4 | pins 1 & 2 | Open | pins 1 & 2, 3 & | Open |
| | closed | | 4 closed | |
|------------+------------+--------+------------------+------|
| P24D | pins 1 & 2 | Closed | pins 1 & 2, 3 & | Open |
| | closed | | 4 closed | |
|------------+------------+--------+------------------+------|
| Pentium | pins 1 & 2 | Open | pins 1 & 2, 3 & | Open |
| Overdrive | closed | | 4 closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP6 | JP10 | JP18 | JP28 |
|-----------------+--------+--------+---------------+--------|
| Cyrix | N/A | N/A | pins 2 & 3 | N/A |
| | | | closed | |
|-----------------+--------+--------+---------------+--------|
| SL-enhanced | Closed | Closed | pins 1 & 2 | Closed |
| | | | closed | |
|-----------------+--------+--------+---------------+--------|
| Non SL-enhanced | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP31 | JP32 |
|--------------------+-------------------+-------------------|
| 25MHz | Open | Open |
|--------------------+-------------------+-------------------|
| 33MHz | Closed | Closed |
|--------------------+-------------------+-------------------|
| 40MHz | Open | Closed |
|--------------------+-------------------+-------------------|
| 50iMHz | Open | Open |
|--------------------+-------------------+-------------------|
| 50MHz | Closed | Open |
|--------------------+-------------------+-------------------|
| 66iMHz | Closed | Closed |
|--------------------+-------------------+-------------------|
| 75iMHz | Open | Open |
|--------------------+-------------------+-------------------|
| 100iMHz | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (80486DX4 ONLY) |
|------------------------------------------------------------|
| Speed | JP16 |
|----------------------------+-------------------------------|
| 2x | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 2.5x | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 3x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP30 |
|----------------------------+-------------------------------|
| 3.45v | pins 3 & 5, 4 & 6 closed |
|----------------------------+-------------------------------|
| 5v | pins 1 & 3, 2 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI TRIGGER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP4 | JP5 |
|---------------+-----------------------+--------------------|
| Edge trigger | pins 1 & 2, 3 & 4 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|---------------+-----------------------+--------------------|
| Level trigger | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+