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# ROBOTECH, INC.
386SX/486DX
Processor 80386DX/CX486DLC/80486SX/80487SX/ODP486SX/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 254mm x 220mm
I/O 32-bit VESA local bus slots (2)
Options
NPU 80387DX
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 slots | SL2 |
|---------------+----------+----------------------+----------|
| Reset switch | J4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Turbo switch enabled | J3 | Open |
|---+----------------------------------+--------+------------|
| | turbo switch disabled | J3 | Closed |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | J6 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | J6 | pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Cyrix DLC PQFP CPU disabled | JP4 | Closed |
|---+----------------------------------+--------+------------|
| | Cyrix DLC PQFP CPU enabled | JP4 | Open |
|---+----------------------------------+--------+------------|
| » | 80386DX/80486DX PQFP CPU | JP15 | Closed |
| | disabled | | |
|---+----------------------------------+--------+------------|
| | 80386DX/80486DX PQFP CPU enabled | JP15 | Open |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP21 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP21 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP23 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | VESA card select standard card | JP24 | pins 2 & 3 |
| | in SL1 | | closed |
|---+----------------------------------+--------+------------|
| | VESA card select WD31 or Tekram | JP24 | pins 1 & 2 |
| | IDE card (50MHz only) | | closed |
|---+----------------------------------+--------+------------|
| » | Battery type select Lithum | JP26 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select NI-CD | JP26 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | 80486DX-50 version select old | JP28 | Open |
|---+----------------------------------+--------+------------|
| | 80486DX-50 version select new | JP28 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 256K 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 | TAG (U18) | TAG (U19) |
|-------+-------------+------------+------------+------------|
| 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) 32K x | NONE |
| | | 8 | 8 | |
|-------+-------------+------------+------------+------------|
| 256KB | (4) 32K x 8 | (4) 32K x | (1) 8K x 8 | (1) 8K x 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 | JP20 | JP25 | JP27 |
|-------+--------+-----------------+------------+------------|
| 80386 | Open | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed | closed |
|-------+--------+-----------------+------------+------------|
| 80486 | Closed | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (80386DX/CX486DLC) |
|------------------------------------------------------------|
| 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 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (80386DX/CX486DLC) |
|------------------------------------------------------------|
| Speed | JP6 | JP7 | JP8 | JP9 | JP22 |
|-------+--------+--------+--------+------------------+------|
| 33MHz | Closed | Closed | Open | pins 2 & 3 | Open |
| | | | | closed | |
|-------+--------+--------+--------+------------------+------|
| 40MHz | Closed | Closed | Closed | pins 2 & 3 | Open |
| | | | | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (80486) |
|------------------------------------------------------------|
| Type | JP2 | JP18 | JP19 |
|---------------+-----------------+--------+-----------------|
| 80486SX (PGA) | Open | Open | pins 2 & 3 |
| | | | closed |
|---------------+-----------------+--------+-----------------|
| 80487SX | pins 2 & 3 | Closed | pins 1 & 2 |
| | closed | | closed |
|---------------+-----------------+--------+-----------------|
| ODP486SX | pins 2 & 3 | Closed | pins 1 & 2 |
| | closed | | closed |
|---------------+-----------------+--------+-----------------|
| 80486DX/DX2 | pins 1 & 2 | Closed | pins 1 & 2 |
| | closed | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (80486) |
|------------------------------------------------------------|
| Speed | JP6 | JP7 | JP8 | JP9 | JP22 |
|--------+------+--------+--------+-----------------+--------|
| 25MHz | Open | Open | Open | pins 1 & 2 | Closed |
| | | | | closed | |
|--------+------+--------+--------+-----------------+--------|
| 33MHz | Open | Open | Closed | pins 1 & 2 | Open |
| | | | | closed | |
|--------+------+--------+--------+-----------------+--------|
| 40MHz | Open | Closed | Closed | pins 1 & 2 | Open |
| | | | | closed | |
|--------+------+--------+--------+-----------------+--------|
| 50iMHz | Open | Open | Open | pins 1 & 2 | Closed |
| | | | | closed | |
|--------+------+--------+--------+-----------------+--------|
| 50MHz | Open | Closed | Open | pins 1 & 2 | Open |
| | | | | closed | |
|--------+------+--------+--------+-----------------+--------|
| 66iMHz | Open | Open | Closed | pins 1 & 2 | Open |
| | | | | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA IDE CONFIGURATION |
|------------------------------------------------------------|
| IDE | JP1 | JP12 | JP13 |
|-------------+---------------+---------------+--------------|
| IDE2 | Open | Open | Closed |
|-------------+---------------+---------------+--------------|
| IDE3 | Open | Closed | Open |
|-------------+---------------+---------------+--------------|
| IDE4 | Closed | Open | Open |
+------------------------------------------------------------+