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# DATAEXPERT CORPORATION
EXP3406
Processor 80386DX/CX486DLC/80486SX/AMD80486DX/80486DX/80486DX2
Processor 25/33/40/50(internal)50/66(internal)MHz
Speed
Chip Set OPTI
Max. 64MB
Onboard
DRAM
Cache 64/128/256KB
BIOS AMI
Dimensions 230mm x 218mm
I/O 32-bit VESA local bus slots (2)
Options
NPU CX487SLC/80387DX/CX487DLC
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Power LED & | J1 | Turbo LED | J5 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Speaker | J2 | External battery | J6 |
|---------------+----------+----------------------+----------|
| Turbo switch | J3 | 32-bit VESA Local | SL1 |
| | | bus slot | |
|---------------+----------+----------------------+----------|
| Reset switch | J4 | 32-bit VESA Local | SL2 |
| | | bus slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Factory configured - do not | JP1 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | 87DLC PQFP enabled | JP4 | Open |
|---+--------------------------------+--------+--------------|
| | 87DLC PQFP disabled | JP4 | Closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP12 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP13 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Monitor type select color | JP21 | Open |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP21 | Closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP23 | Unidentified |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Battery type select - lithum | JP26 | pins 1 & 2 |
| | discharge | | closed |
|---+--------------------------------+--------+--------------|
| | Battery type select - NI-CAD | JP26 | pins 2 & 3 |
| | recharge | | closed |
|---+--------------------------------+--------+--------------|
| » | New version 80486 DX50MHz | JP28 | Closed |
|---+--------------------------------+--------+--------------|
| | Old version 80486 DX50MHz | JP28 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 17MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 64MB | (4) 16M x 9 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | U18 (Tag) | U19 (Tag) |
|-------+-------------+------------+------------+------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | NONE |
|-------+-------------+------------+------------+------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 | NONE |
|-------+-------------+------------+------------+------------|
| 256KB | (4) 32K x 8 | (4) 32K x | (1) 8K x 8 | (1) 8K x 8 |
| | | 8 | | |
|-------+-------------+------------+------------+------------|
| 256KB | (4) 32K x 8 | (4) 32K x | (1) 32K x | NONE |
| | | 8 | 8 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP10 | JP11 | JP16 | JP17 |
|-------+-----------------+----------------+--------+--------|
| 64KB | pins 2 & 3 | pins 2 & 3 | Open | Open |
| | closed | closed | | |
|-------+-----------------+----------------+--------+--------|
| 128KB | pins 1 & 2 | pins 1 & 2 | Closed | Open |
| | closed | closed | | |
|-------+-----------------+----------------+--------+--------|
| 256KB | pins 2 & 3 | pins 2 & 3 | Closed | Closed |
| | closed | closed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP14 | JP15 | JP20 | JP25 | JP27 |
|---------------+---------+---------+--------+-------+-------|
| 80386DX(PQFP) | Open | Open | 2 & 3 | 1 & 2 | 1 & 2 |
|---------------+---------+---------+--------+-------+-------|
| 80386DX(PGA) | Open | Closed | 2 & 3 | 1 & 2 | 1 & 2 |
|---------------+---------+---------+--------+-------+-------|
| CX486DLC(PGA) | Open | Closed | 2 & 3 | 1 & 2 | 1 & 2 |
|---------------+---------+---------+--------+-------+-------|
| 80486(PQFP) | Closed | Open | 1 & 2 | 2 & 3 | 2 & 3 |
|---------------+---------+---------+--------+-------+-------|
| 80486(PGA) | Closed | Closed | 1 & 2 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (INTEL 80486 CPU) |
|------------------------------------------------------------|
| Type | JP2 | JP18 | JP19 |
|---------------+-----------------+--------+-----------------|
| 80486SX(PQFP) | Open | Closed | pins 2 & 3 |
| | | | closed |
|---------------+-----------------+--------+-----------------|
| 80486SX(PGA) | Open | Open | pins 2 & 3 |
| | | | closed |
|---------------+-----------------+--------+-----------------|
| 80487SX | pins 2 & 3 | Closed | pins 1 & 2 |
| | closed | | closed |
|---------------+-----------------+--------+-----------------|
| 80486DX/DX2 | pins 1 & 2 | Closed | pins 1 & 2 |
| | closed | | closed |
|---------------+-----------------+--------+-----------------|
| Overdrive | pins 2 & 3 | Closed | pins 1 & 2 |
| | closed | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (INTEL 80386 & CX486DLC CPU) |
|------------------------------------------------------------|
| CPU speed | JP6 | JP7 | JP8 | JP9 | JP22 |
|------------+----------+----------+---------+--------+------|
| 33MHz | Closed | Closed | Open | 2 & 3 | Open |
|------------+----------+----------+---------+--------+------|
| 40MHz | Closed | Closed | Closed | 2 & 3 | Open |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (INTEL 80486 CPU) |
|------------------------------------------------------------|
| CPU speed | JP6 | JP7 | JP8 | JP9 | JP22 |
|------------+--------+----------+---------+--------+--------|
| 25MHz | Open | Open | Open | 1 & 2 | Closed |
|------------+--------+----------+---------+--------+--------|
| 33MHz | Open | Open | Closed | 1 & 2 | Open |
|------------+--------+----------+---------+--------+--------|
| 40MHz | Open | Closed | Closed | 1 & 2 | Open |
|------------+--------+----------+---------+--------+--------|
| 50iMHz | Open | Open | Open | 1 & 2 | Closed |
|------------+--------+----------+---------+--------+--------|
| 50MHz | Open | Closed | Open | 1 & 2 | Open |
|------------+--------+----------+---------+--------+--------|
| 66iMHz | Open | Open | Closed | 1 & 2 | Open |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA CONFIGURATION |
|------------------------------------------------------------|
| Type | JP24 |
|----------------------------------+-------------------------|
| Standard VESA VGA card in slot | pins 2 & 3 closed |
| SL1 | |
|----------------------------------+-------------------------|
| Other VESA card | pins 1 & 2 closed |
|------------------------------------------------------------|
| Note:Other VESA card includes Western Digital VGA31 |
| running at 50mhz, Tekram VESA cache IDE, or other |
| special VESA card. |
+------------------------------------------------------------+