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# DATAEXPERT CORPORATION
EXP8049
Device Mainboard
Type
Processor CX486SX/80486SX/SL80486SX/80487SX/UMC U5S/ODP486/
CX486DX/AM486DX/AM486DXL/80486DX/SL80486DX/CX486DX2/
AM486DX2/80486DX2/SL80486DX2/AM 486DX4/80486DX4/P24D/ P24T
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set ALI
Video Chip None
Set
Maximum 64MB
Onboard
Memory
Maximum None
Video
Memory
Cache 128/256/512KB
BIOS AMI, Phoenix
Dimensions 254mm x 218mm
I/O 32-bit PCI slots (4), floppy drive interface, green PC connector,
Options IDE interface, parallel port, PS/2 mouse interface, serial ports
(2), wake on modem connector
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | Turbo LED | J4 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Turbo switch | J5 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | Power LED & | J6 |
| interface | | keylock | |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | Speaker | J7 |
|-------------------+----------+------------------+----------|
| IDE interface | CN5 | Wake on modem | JP12 |
| | | connector | |
|-------------------+----------+------------------+----------|
| External battery | J1 | Green PC | JP13 |
| | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface LED | J2 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Reset switch | J3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+----------+--------------|
| | Battery type select external | J1 | Closed |
|---+------------------------------+----------+--------------|
| | CMOS memory clear | J1 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+----------+--------------|
| » | Parallel port unidirectional | JP2/pins | Closed |
| | | 5 & 6 | |
|---+------------------------------+----------+--------------|
| | Parallel port bidirectional | JP2/pins | Open |
| | | 5 & 6 | |
|---+------------------------------+----------+--------------|
| | Monitor type select color | JP7 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+----------+--------------|
| | Monitor type select | JP7 | Pins 1 & 2 |
| | monochrome | | closed |
|---+------------------------------+----------+--------------|
| » | Factory configured - do not | JP11 | Unidentified |
| | alter | | |
|---+------------------------------+----------+--------------|
| » | Factory configured - do not | JP33 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 1M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 512K x | (1) 2M x 36 | (1) 2M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 22MB | (1) 4M x 36 | (1) 512K x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 8M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 8M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 56MB | (1) 8M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 56MB | (1) 2M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 4M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | (1) 8K x 8 |
|------------------+--------------------+--------------------|
| 256KB | (4) 64K x 8 | (1) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 128K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP15 | JP16 |
|-------------------+--------------------+-------------------|
| 128KB | Open | Open |
|-------------------+--------------------+-------------------|
| 256KB | Closed | Open |
|-------------------+--------------------+-------------------|
| 512KB | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP9 | JP10 | JP26 |
|-------------+-----------------------+----------+-----------|
| 25MHz | 3 & 4, 7 & 8 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 33MHz | 5 & 6, 7 & 8 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 40MHz | 1 & 2, 3 & 4, 5 & 6 | 1 & 2 | Closed |
|-------------+-----------------------+----------+-----------|
| 50iMHz | 3 & 4, 7 & 8 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 50MHz | 5 & 6 | 1 & 2 | Closed |
|-------------+-----------------------+----------+-----------|
| 66iMHz | 5 & 6, 7 & 8 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 75iMHz | 3 & 4, 7 & 8 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 100iMHz | 5 & 6, 7 & 8 | 2 & 3 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP17 | JP18 | JP20 | JP21 |
|---------------+----------+----------+-----------+----------|
| CX486SX | 5 & 6 | 1 & 2 | Open | Closed |
|---------------+----------+----------+-----------+----------|
| 80486SX | Open | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| SL80486SX | 3 & 4 | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| 80487SX | Open | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| UMC U5S | Open | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| ODP486 | 3 & 4 | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| CX486DX | 5 & 6 | 1 & 2 | Open | Closed |
|---------------+----------+----------+-----------+----------|
| AM486DX | Open | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| AM486DXL | 1 & 2 | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| 80486DX | Open | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| SL80486DX | 3 & 4 | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| CX486DX2 | 5 & 6 | 1 & 2 | Open | Closed |
|---------------+----------+----------+-----------+----------|
| AM486DX2 | Open | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| 80486DX2 | Open | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| SL80486DX2 | 3 & 4 | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| AM 486DX4 | Open | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| 80486DX4 | 3 & 4 | Open | Open | Open |
|---------------+----------+----------+-----------+----------|
| P24D | 3 & 4 | 5 & 6 | Closed | Open |
|---------------+----------+----------+-----------+----------|
| P24T | 3 & 4 | Open | Open | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP22 | JP23 | JP24 | JP27 |
|---------------+------------+----------+----------+---------|
| CX486SX | Open | 1 & 2 | 5 & 6 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| 80486SX | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|---------------+------------+----------+----------+---------|
| SL80486SX | Open | 1 & 2 | 3 & 4 | Open |
|---------------+------------+----------+----------+---------|
| 80487SX | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|---------------+------------+----------+----------+---------|
| UMC U5S | Open | 1 & 2 | 1 & 2 | Open |
|---------------+------------+----------+----------+---------|
| ODP486 | Open | 1 & 2 | 3 & 4 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| CX486DX | Open | 1 & 2 | 5 & 6 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| AM486DX | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| AM486DXL | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| 80486DX | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| SL80486DX | Open | 1 & 2 | 3 & 4 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| CX486DX2 | Open | 1 & 2 | 5 & 6 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| AM486DX2 | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| 80486DX2 | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| SL80486DX2 | Open | 1 & 2 | 3 & 4 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| AM 486DX4 | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| 80486DX4 | Open | 1 & 2 | 3 & 4 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| P24D | Closed | 2 & 3 | 3 & 4 | 2 & 3 |
|---------------+------------+----------+----------+---------|
| P24T | Closed | 2 & 3 | 3 & 4 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP28 | JP29 | JP30 |
|-----------------+-------------+-------------+--------------|
| CX486SX | 2 & 3 | 5 & 6 | Closed |
|-----------------+-------------+-------------+--------------|
| 80486SX | 1 & 2 | Open | Open |
|-----------------+-------------+-------------+--------------|
| SL80486SX | 1 & 2 | 3 & 4 | Closed |
|-----------------+-------------+-------------+--------------|
| 80487SX | 2 & 3 | Open | Open |
|-----------------+-------------+-------------+--------------|
| UMC U5S | 1 & 2 | Open | Open |
|-----------------+-------------+-------------+--------------|
| ODP486 | 2 & 3 | 3 & 4 | Closed |
|-----------------+-------------+-------------+--------------|
| CX486DX | 2 & 3 | 5 & 6 | Closed |
|-----------------+-------------+-------------+--------------|
| AM486DX | 2 & 3 | Open | Open |
|-----------------+-------------+-------------+--------------|
| AM486DXL | 2 & 3 | 1 & 2 | Open |
|-----------------+-------------+-------------+--------------|
| 80486DX | 2 & 3 | Open | Open |
|-----------------+-------------+-------------+--------------|
| SL80486DX | 2 & 3 | 3 & 4 | Closed |
|-----------------+-------------+-------------+--------------|
| CX486DX2 | 2 & 3 | 5 & 6 | Closed |
|-----------------+-------------+-------------+--------------|
| AM486DX2 | 2 & 3 | Open | Open |
|-----------------+-------------+-------------+--------------|
| 80486DX2 | 2 & 3 | Open | Open |
|-----------------+-------------+-------------+--------------|
| SL80486DX2 | 2 & 3 | 3 & 4 | Closed |
|-----------------+-------------+-------------+--------------|
| AM 486DX4 | 2 & 3 | Open | Open |
|-----------------+-------------+-------------+--------------|
| 80486DX4 | 2 & 3 | 3 & 4 | Closed |
|-----------------+-------------+-------------+--------------|
| P24D | 2 & 3 | 3 & 4 | Closed |
|-----------------+-------------+-------------+--------------|
| P24T | 2 & 3 | 3 & 4 | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP14 | JP31 |
|------------------+--------------------+--------------------|
| » | 3.3v | Pins 2 & 3 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | 5v | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTIONN |
|------------------------------------------------------------|
| Channel | JP2 | JP34 |
|------------------+--------------------+--------------------|
| 1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3 | Pins 3 & 4 closed | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GREEN PC SELECTION |
|------------------------------------------------------------|
| Setting | JP8 |
|----------------------------+-------------------------------|
| Power fan | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Monitor power | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| VGA H-sync | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| VGA v-sync | Pins 7 & 8 closed |
+------------------------------------------------------------+