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# TULIP COMPUTERS
TR486 (TC19)
Processor 80486DX
Processor 25MHz
Speed
Chip Set Intel
Max. Onboard 16MB
DRAM
Cache 32KB (factory installed)
BIOS Tulip
Dimensions 300mm x 220mm
I/O Options Parallel port, serial ports (2), external CPU
card, external memory card, floppy drive
interface
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| External memory | Bank 2 | Power-down switch | J14 |
| card | | | |
|-----------------+----------+--------------------+----------|
| Serial port 1 | J10 | Battery, speaker, | J17 |
| | | power LED & | |
| | | keylock | |
|-----------------+----------+--------------------+----------|
| Serial port 2 | J11 | Reset switch | J18 |
|-----------------+----------+--------------------+----------|
| Parallel port | J12 | Floppy drive | J27 |
| | | interface | |
|-----------------+----------+--------------------+----------|
| Front panel LCD | J13 | External CPU card | U1 & U2 |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Factory configured - do not | J7 | pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | J9 | pins 1 & 3, |
| | alter | | 2 & 4 closed |
|---+--------------------------------+--------+--------------|
| » | Monitor type select color | J16 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | J16 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | J19 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Floppy interface enabled | J20 | Open |
|---+--------------------------------+--------+--------------|
| | Floppy interface disabled | J20 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 4MB | (4) 1M x 9 | NONE | Not installed |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | Not installed |
|------------+---------------+---------------+---------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J4 | J5 | J6 | J28 |
|------+--------------+------------+------------+------------|
| 4MB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|------+--------------+------------+------------+------------|
| 8MB | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|------+--------------+------------+------------+------------|
| 16MB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+