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# UNIDENTIFIED
PROTECH 386 SX
Processor 80386SX
Processor Speed 16MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard Memory 8MB
Maximum Video Memory None
Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J13 | Turbo LED | J17 |
|------------------+----------+-------------------+----------|
| Reset switch | J15 | Speaker | J18 |
|------------------+----------+-------------------+----------|
| Turbo switch | J16 | Power LED & | J19 |
| | | keylock | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| | Monitor type select color | JP3 | Closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select monochrome | JP3 | Open |
|---+-----------------------------------+-------+------------|
| | 80287 clock input select CLK/3 | JP10 | Closed |
|---+-----------------------------------+-------+------------|
| | 80287 clock input select CLK = | JP10 | Open |
| | CLK | | |
|---+-----------------------------------+-------+------------|
| | BIOS type select 27256 | JP11 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | BIOS type select 27512 | JP11 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Turbo enabled when keyboard BIOS | JP20 | Pins 1 & 2 |
| | is set at pin 30 | | closed |
|---+-----------------------------------+-------+------------|
| | Turbo enabled when keyboard BIOS | JP20 | Pins 2 & 3 |
| | is set at pin 24 | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank | Bank 1 | Bank | Bank | Bank |
| | | 0A | | 1A | 2 | 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 512KB | (16) | None | None | None | None | None |
| (A) | 41256 | | | | | |
|--------+--------+--------+--------+--------+-------+-------|
| 512KB | None | (4) | None | None | None | None |
| (B) | | 44256 | | | | |
|--------+--------+--------+--------+--------+-------+-------|
| 512KB | None | None | None | None | (2) | None |
| (C) | | | | | 256K | |
| | | | | | x 9 | |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | None | (4) | None | (4) | None | None |
| (A) | | 44256 | | 44256 | | |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | (16) | None | (16) | None | None | None |
| (B) | 41256 | | 41256 | | | |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | None | None | None | None | (2) | (2) |
| (C) | | | | | 256K | 256K |
| | | | | | x 9 | x 9 |
|--------+--------+--------+--------+--------+-------+-------|
| 1.5MB | (16) | None | None | None | (2) | None |
| | 41256 | | | | 256K | |
| | | | | | x 9 | |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | (16) | None | None | None | None | None |
| (A) | 411000 | | | | | |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | (16) | None | (16) | None | (2) | (2) |
| (B) | 41256 | | 41256 | | 256K | 256K |
| | | | | | x 9 | x 9 |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | None | None | None | None | (2) | None |
| (C) | | | | | 1M x | |
| | | | | | 9 | |
|--------+--------+--------+--------+--------+-------+-------|
| 3MB | (16) | None | (16) | None | (2) | None |
| | 41256 | | 41256 | | 1M x | |
| | | | | | 9 | |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | (16) | None | (16) | None | None | None |
| (A) | 411000 | | 411000 | | | |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | None | None | None | None | (2) | (2) |
| (B) | | | | | 1M x | 1M x |
| | | | | | 9 | 9 |
|--------+--------+--------+--------+--------+-------+-------|
| 5MB | (16) | None | (16) | None | (2) | (2) |
| | 41256 | | 41256 | | 1M x | 1M x |
| | | | | | 9 | 9 |
|--------+--------+--------+--------+--------+-------+-------|
| 6MB | (16) | None | (16) | None | (2) | None |
| | 411000 | | 411000 | | 1M x | |
| | | | | | 9 | |
|--------+--------+--------+--------+--------+-------+-------|
| 8MB | (16) | None | (16) | None | (2) | (2) |
| | 411000 | | 411000 | | 1M x | 1M x |
| | | | | | 9 | 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM PARITY CONFIGURATION |
|------------------------------------------------------------|
| Size | P 0 | P 1 |
|-------------------+--------------------+-------------------|
| 512KB (A) | (2) 41256 | None |
|-------------------+--------------------+-------------------|
| 512KB (B) | (2) 41256 | None |
|-------------------+--------------------+-------------------|
| 512KB (C) | None | None |
|-------------------+--------------------+-------------------|
| 1MB (A) | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 1MB (B) | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 1MB (C) | None | None |
|-------------------+--------------------+-------------------|
| 1.5MB | (2) 41256 | None |
|-------------------+--------------------+-------------------|
| 2MB (A) | (2) 411000 | None |
|-------------------+--------------------+-------------------|
| 2MB (B) | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 2MB (C) | None | None |
|-------------------+--------------------+-------------------|
| 3MB | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 4MB (A) | (2) 411000 | (2) 411000 |
|-------------------+--------------------+-------------------|
| 4MB (B) | None | None |
|-------------------+--------------------+-------------------|
| 5MB | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 6MB | (2) 411000 | (2) 411000 |
|-------------------+--------------------+-------------------|
| 8MB | (2) 411000 | (2) 411000 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP14 | JP15 | JP16 | JP17 | JP18 | JP19 |
|-----------+--------+-------+-------+-------+-------+-------|
| 512KB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 512KB (B) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 512KB (C) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-----------+--------+-------+-------+-------+-------+-------|
| 1MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 1MB (B) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 1MB (C) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-----------+--------+-------+-------+-------+-------+-------|
| 1.5MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 2MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 2MB (B) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 2MB (C) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-----------+--------+-------+-------+-------+-------+-------|
| 3MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 4MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 4MB (B) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-----------+--------+-------+-------+-------+-------+-------|
| 5MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 6MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 8MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| KEYBOARD BIOS SELECTION |
|------------------------------------------------------------|
| Type | JP1 | JP2 |
|--------------------+-------------------+-------------------|
| CLK input = CLKP | Pins 1 & 2 closed | Pins 1 & 2 closed |
| 9/4 | | |
|--------------------+-------------------+-------------------|
| CLK input = PCLK | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+