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# TEXAS INSTRUMENTS
SYSTEM SP1000
Processor 80386SX
Processor Speed 16MHz
Chip Set AMD
Max. onboard DRAM 1MB
Cache None
BIOS AMD
Dimensions 355mm x 304mm
I/O Options 32-bit proprietary bus slot
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Control panel | J23 | 32-bit proprietary | S1 |
| connector | | bus slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Switch | Position |
|-----------------------------------+------------+-----------|
| » | Monitor type select | SW1/switch | Off |
| | monochrome | 5 | |
|---+-------------------------------+------------+-----------|
| | Monitor type select color | SW1/switch | On |
| | | 5 | |
|---+-------------------------------+------------+-----------|
| » | CPU speed select smart mode | SW1/switch | On |
| | | 6 | |
|---+-------------------------------+------------+-----------|
| | CPU speed select 16MHz | SW1/switch | Off |
| | | 6 | |
|---+-------------------------------+------------+-----------|
| » | Factory configured - do not | SW2/switch | N/A |
| | alter | 1 | |
|---+-------------------------------+------------+-----------|
| » | System select 1 wait state | SW2/switch | Off |
| | | 3 | |
|---+-------------------------------+------------+-----------|
| | System select 0 wait states | SW2/switch | On |
| | | 3 | |
|---+-------------------------------+------------+-----------|
| » | Factory configured - do not | SW2/switch | N/A |
| | alter | 4 | |
|------------------------------------------------------------|
| Note:In the smart mode, the processor slows down during |
| accesses to the diskette drive. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS CONFIGURATION |
|------------------------------------------------------------|
| BIOS |SW1/switch 1|SW1/switch 2|SW1/switch 3|SW1/switch 4|
|--------+------------+------------+------------+------------|
|»|27128 | On | On | Off | Off |
|-+------+------------+------------+------------+------------|
| |27256 | Off | Off | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU CONFIGURATION |
|------------------------------------------------------------|
| NPU | J20 | J21 | J22 |
|--------------+-------------------+------------+------------|
| » | Enabled | pins 1 & 2 closed | pins 1 & 2 | pins 2 & 3 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | Disabled | pins 2 & 3 closed | pins 2 & 3 | pins 1 & 2 |
| | | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYSTEM DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | DIPPs |
|----------------------------+-------------------------------|
| 1MB | (32) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYSTEM MEMORY MODE CONFIGURATION |
|------------------------------------------------------------|
| Base | BIOS | External | SW1/7 | SW1/8 | SW2/2 |
| | | Memory | | | |
|-------+-------------+--------------+-------+-------+-------|
| 640KB | Normal | 0KB | On | On | Off |
|-------+-------------+--------------+-------+-------+-------|
| 640KB | Loaded high | 0KB | On | Off | Off |
|-------+-------------+--------------+-------+-------+-------|
| 640KB | Normal | 256KB | Off | On | On |
|-------+-------------+--------------+-------+-------+-------|
| 640KB | Loaded high | 256KB | Off | Off | On |
+------------------------------------------------------------+
IMG IMG 2
IMG IMG 3
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS FOR EXTERNAL MEMORY |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-----------------------------------+--------+---------------|
| » | Factory configured - do not | JP1 | pins 1 & 2 |
| | alter | | closed |
|---+-------------------------------+--------+---------------|
| » | Factory configured - do not | JP2 | pins 2 & 3 |
| | alter | | closed |
|---+-------------------------------+--------+---------------|
| » | Factory configured - do not | TP1 | pins 3 & 8, 4 |
| | alter | | & 9 closed |
|---+-------------------------------+--------+---------------|
| » | Factory configured - do not | TP2 | pins 3 & 8, 4 |
| | alter | | & 9 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTERNAL MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 | Bank 3 | Bank 4 |
|------+-------------+-------------+------------+------------|
| 2MB | (16) 411000 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 4MB | (16) 411000 | (16) 411000 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 6MB | (16) 411000 | (16) 411000 | (16) | NONE |
| | | | 411000 | |
|------+-------------+-------------+------------+------------|
| 8MB | (16) 411000 | (16) 411000 | (16) | (16) |
| | | | 411000 | 411000 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTERNAL MEMORY SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/switch 1 | SW1/switch 2 | SW1/switch 3 |
|------------+---------------+---------------+---------------|
| 2MB | On | On | On |
|------------+---------------+---------------+---------------|
| 4MB | Off | On | On |
|------------+---------------+---------------+---------------|
| 6MB | Off | Off | On |
|------------+---------------+---------------+---------------|
| 8MB | Off | Off | Off |
+------------------------------------------------------------+