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# TARGET MICRO
TYPHOON 486-386/ISA
Processor 80386DX/80486DLC/80486SX/80487SX/80486DX/80486DX2
Processor 25/33/40/50(internal)/50/66(internal)66MHz
Speed
Chip Set UNI
Max. Onboard 128MB
DRAM
Cache 32/64/128/256KB
BIOS AMI
Dimensions 254mm x 218mm
I/O Options None
NPU Options 80387
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| External battery | J4 | Turbo LED | JP16 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | J5 | Turbo switch | JP17 |
|---------------------+----------+----------------+----------|
| Speaker | J6 | Reset switch | JP18 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Battery type select internal | J4 | Open |
|---+----------------------------------+--------+------------|
| | Battery type select external | J4 | Closed |
|---+----------------------------------+--------+------------|
| » | Keyboard controller select 386 | JP14 | pins 1 & 2 |
| | KBGA20 | | closed |
|---+----------------------------------+--------+------------|
| » | Keyboard controller select 386 | JP14 | Open |
| | emulate KBGA20 | | |
|---+----------------------------------+--------+------------|
| | Keyboard controller select | JP14 | pins 2 & 3 |
| | emulate KBGA20 | | closed |
|---+----------------------------------+--------+------------|
| | Keyboard controller select | JP14 | pins 3 & 4 |
| | 486DX/DLC emulate KBGA20 | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP1 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP1 | Open |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP13 | Open |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 1M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K 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 |
|------------------+--------------------+--------------------|
| 65MB | (4) 16M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 80MB | (4) 16M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 128MB | (4) 16M x 9 | (4) 16M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 32KB | (4) 8K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 16K x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP6 | JP7 | JP9 | JP11 |
|--------+------+--------+--------+--------------------------|
| 32KB | Open | Open | Open | pins 2 & 3 closed |
|--------+------+--------+--------+--------------------------|
| 64KB | Open | Closed | Open | pins 1 & 2 closed |
|--------+------+--------+--------+--------------------------|
| 128KB | Open | Closed | Closed | pins 1 & 2, 3 & 4 closed |
|--------+------+--------+--------+--------------------------|
| 256KB | Open | Closed | Closed | pins 1 & 2, 4 & 5 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP3 | JP4 | JP5 | JP8 | JP10 | JP12 | JP15 |
|--------+------+------+------+---------+------+------+------|
|80386DX | See | See | Open |See note |2 & 3 |2 & 3 |2 & 3 |
| | note | note | | | | | |
|--------+------+------+------+---------+------+------+------|
|CX486DLC|1 & 2 | See | Open |See note |2 & 3 |2 & 3 |2 & 3 |
| | | note | | | | | |
|--------+------+------+------+---------+------+------+------|
|80486SX | See | Open |Closed|1 & 2, 3 |1 & 2 |1 & 2 |1 & 2 |
| | note | | | & 4 | | | |
|--------+------+------+------+---------+------+------+------|
|80487SX | See |2 & 3 |Closed|1 & 2, 3 |1 & 2 |1 & 2 |1 & 2 |
| | note | | | & 4 | | | |
|--------+------+------+------+---------+------+------+------|
|80486DX | See |1 & 2 |Closed| 2 & 3 |1 & 2 |1 & 2 |1 & 2 |
| | note | | | | | | |
|--------+------+------+------+---------+------+------+------|
|80486DX2| See |1 & 2 |Closed| 2 & 3 |1 & 2 |1 & 2 |1 & 2 |
| | note | | | | | | |
|------------------------------------------------------------|
|Note:Speed select for 386DX is JP3 pins 1 & 2 closed = |
|33/40MHz, pins 2 & 3 closed = 25MHz. |
| |
|Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU OSCILLATOR CONFIGURATION |
|------------------------------------------------------------|
| Type | OSC |
|-------------------------------+----------------------------|
| 80386DX-25 | 50MHz |
|-------------------------------+----------------------------|
| 80386DX-33 | 66MHz |
|-------------------------------+----------------------------|
| 80386DX-40 | 80MHz |
|-------------------------------+----------------------------|
| CX486DLC-33 | 66MHz |
|-------------------------------+----------------------------|
| CX486DLC-40 | 80MHz |
|-------------------------------+----------------------------|
| 80486SX-20 | 20MHz |
|-------------------------------+----------------------------|
| 80486SX-25 | 25MHz |
|-------------------------------+----------------------------|
| 80487SX-20 | 20MHz |
|-------------------------------+----------------------------|
| 80487SX-25 | 25MHz |
|-------------------------------+----------------------------|
| 80486DX-25 | 25MHz |
|-------------------------------+----------------------------|
| 80486DX-33 | 33MHz |
|-------------------------------+----------------------------|
| 80486DX-50 | 50MHz |
|-------------------------------+----------------------------|
| 80486DX2-50 | 25MHz |
|-------------------------------+----------------------------|
| 80486DX2-66 | 33MHz |
+------------------------------------------------------------+