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# SCI SYSTEMS, INC.
TC316SX/TC320SX/TC325SX
Processor 80386SX
Processor Speed 16/20/25MHz
Chip Set VLSI Topcat
Max. Onboard 16MB
DRAM
Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options Bus mouse port, floppy drive interface, IDE
interface, parallel port, serial ports (2),
VGA port
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| Serial port (COM1) | P3 | VGA port | P10 |
|----------------------+----------+---------------+----------|
| Parallel port | P4 | Reset switch | P11 |
|----------------------+----------+---------------+----------|
| Floppy drive | P5 | Speaker | P12 |
| interface | | | |
|----------------------+----------+---------------+----------|
| IDE interface | P6 | Power LED & | P13 |
| | | keylock | |
|----------------------+----------+---------------+----------|
| Serial port (COM2) | P7 | Turbo LED | P14 |
|----------------------+----------+---------------+----------|
| PS/2 bus mouse | P9 | IDE interface | P15 |
| | | LED | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | VGA interrupt request | JP1 | pins 1 & 2 |
| | generation disabled | | closed |
|---+---------------------------+---------------+------------|
| | VGA interrupt request | JP1 | pins 2 & 3 |
| | generation enabled | | closed |
|---+---------------------------+---------------+------------|
| » | VGA port enabled | JP2 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | VGA port disabled | JP2 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | IDE drive installed | JP3 | pins 1 & 2 |
| | select 1 | | closed |
|---+---------------------------+---------------+------------|
| | IDE drives installed | JP3 | pins 2 & 3 |
| | select 2 | | closed |
|---+---------------------------+---------------+------------|
| » | Pipeline mode enabled | JP4 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | Pipeline mode disabled | JP4 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | Floppy drive generation | JP5 | pins 1 & 2 |
| | of disk change signal | | closed |
| | disabled | | |
|---+---------------------------+---------------+------------|
| | Floppy drive generation | JP5 | pins 2 & 3 |
| | of disk change signal | | closed |
| | enabled | | |
|---+---------------------------+---------------+------------|
| » | Monitor type select color | JP6 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | Monitor type select | JP6 | pins 2 & 3 |
| | monochrome | | closed |
|---+---------------------------+---------------+------------|
| » | CMOS memory normal | JP7 | pins 2 & 3 |
| | operation | | closed |
|---+---------------------------+---------------+------------|
| | CMOS memory clear | JP7 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/switch 1 | open |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/switch 2 | closed |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Video mode select | SW1/switch 5 | closed |
| | 1024x768 pixel resolution | | |
| | interlaced | | |
|---+---------------------------+---------------+------------|
| | Video mode select | SW1/switch 5 | open |
| | 1024x768 pixel resolution | | |
| | non-interlaced | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 512KB | (2) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 1MB | (2) 256K x 9 | (2) 256K x 9 |
|------------------+--------------------+--------------------|
| 2MB | (2) 1MBx 9 | NONE |
|------------------+--------------------+--------------------|
| 2.5MB | (2) 1MBx 9 | (2) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (2) 1MBx 9 | (2) 1MBx 9 |
|------------------+--------------------+--------------------|
| 8MB | (2) 4MB x 9 | NONE |
|------------------+--------------------+--------------------|
| 8.5MB | (2) 4MB x 9 | (2) 256K x 9 |
|------------------+--------------------+--------------------|
| 10MB | (2) 4MB x 9 | (2) 1MBx 9 |
|------------------+--------------------+--------------------|
| 16MB | (2) 4MB x 9 | (2) 4MB x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW1/3 | SW1/4 |
|--------------------------------------------+-------+-------|
| 800x600 with 16 colors at 60Hz/800x600with | On | On |
| 256 colors at 56Hz | | |
|--------------------------------------------+-------+-------|
| 800x600 with 16 colors at 72Hz/800x600 | Off | On |
| with 256 colors at 56Hz | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW1/3 | SW1/4 |
|--------------------+-------------------+-------------------|
| 800x600 at 60Hz | On | Off |
|--------------------+-------------------+-------------------|
| 800x600 at 56Hz | Off | Off |
+------------------------------------------------------------+