(TXT) View Source
# ACS, INC.
ET286+
Processor 80286
Processor Speed 6/10MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard Memory 4MB
Maximum Video Memory None
Cache None
BIOS Unidentified
Dimensions 351mm x 304mm
I/O Options Parallel ports (2), serial ports (3)
NPU Options 80287
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J25 | Parallel port | P2 |
| | | LPT1 | |
|-------------------+----------+------------------+----------|
| Power LED & | J34 | Serial port 2 | P3 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | J35 | Parallel port | P4 |
| | | LPT2 | |
|-------------------+----------+------------------+----------|
| Serial port 3 | P1 | Serial port 1 | P5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------+----------+-------------------|
| | Serial port 2 IRQ4 | J17/pins | Closed |
| | enabled | 9 & 10 | |
|---+-------------------------+----------+-------------------|
| | Serial port 2 IRQ4 | J17/pins | Open |
| | disabled | 9 & 10 | |
|---+-------------------------+----------+-------------------|
| | Serial port 1 IRQ3 | J17/pins | Closed |
| | enabled | 11 & 12 | |
|---+-------------------------+----------+-------------------|
| | Serial port 1 IRQ3 | J17/pins | Open |
| | disabled | 11 & 12 | |
|---+-------------------------+----------+-------------------|
| | Parallel port 1 IRQ7 | J17/pins | Closed |
| | enabled | 13 & 14 | |
|---+-------------------------+----------+-------------------|
| | Parallel port 1 IRQ7 | J17/pins | Open |
| | disabled | 13 & 14 | |
|---+-------------------------+----------+-------------------|
| | Parallel port 2 IRQ5 | J17/pins | Closed |
| | enabled | 15 & 16 | |
|---+-------------------------+----------+-------------------|
| | Parallel port 2 IRQ5 | J17/pins | Open |
| | disabled | 15 & 16 | |
|---+-------------------------+----------+-------------------|
| » | Serial port 1 select | J18 | Pins 5 & 6, 9 & |
| | RS-232C | | 10 closed |
|---+-------------------------+----------+-------------------|
| | Serial port 1 select | J18 | Pins 1 & 2, 3 & |
| | RS-422 | | 4, 7 & 8 closed |
|---+-------------------------+----------+-------------------|
| » | Serial port 2 select | J19 | Pins 1 & 2, 5 & 6 |
| | RS-232C | | closed |
|---+-------------------------+----------+-------------------|
| | Serial port 2 select | J19 | Pins 3 & 4, 7 & |
| | RS-422 | | 8, 9 & 10 closed |
|---+-------------------------+----------+-------------------|
| » | Serial port 3 select | J20 | Pins 1 & 2, 5 & 6 |
| | RS-232C | | closed |
|---+-------------------------+----------+-------------------|
| | Serial port 3 select | J20 | Pins 3 & 4, 7 & |
| | RS-422 | | 8, 9 & 10 closed |
|---+-------------------------+----------+-------------------|
| | Jumper information | J21 | Unidentified |
| | unavailable | | |
|---+-------------------------+----------+-------------------|
| » | Power good disabled | J22 | Open |
|---+-------------------------+----------+-------------------|
| | Reset using power good | J22 | Closed |
|---+-------------------------+----------+-------------------|
| » | 6MHz using 1 wait state | J23 | Open |
|---+-------------------------+----------+-------------------|
| | 6MHz using 0 wait | J23 | Closed |
| | states | | |
|---+-------------------------+----------+-------------------|
| | Jumper information | J26 | Unidentified |
| | unavailable | | |
|---+-------------------------+----------+-------------------|
| » | Monitor type select | J27/pins | Closed |
| | color | 1 & 2 | |
|---+-------------------------+----------+-------------------|
| | Monitor type select | J27/pins | Open |
| | monochrome | 1 & 2 | |
|---+-------------------------+----------+-------------------|
| » | Keyboard type select | J27/pins | Closed |
| | PC-AT | 3 & 4 | |
|---+-------------------------+----------+-------------------|
| | Keyboard type select | J27/pins | Open |
| | PC-XT | 3 & 4 | |
|---+-------------------------+----------+-------------------|
| | Jumper information | J28 | Unidentified |
| | unavailable | | |
|---+-------------------------+----------+-------------------|
| | Jumper information | J30 | Unidentified |
| | unavailable | | |
|---+-------------------------+----------+-------------------|
| » | Wait state select 1 | J31 | Pins 2 & 4 closed |
| | wait state | | |
|---+-------------------------+----------+-------------------|
| | Wait state select 2 | J31 | Pins 1 & 3 closed |
| | wait states | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS (CON'T) |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------+----------+-------------------|
| | Serial port 1 enabled | J32/pins | Closed |
| | | 1 & 2 | |
|---+-------------------------+----------+-------------------|
| | Serial port 1 disabled | J32/pins | Open |
| | | 1 & 2 | |
|---+-------------------------+----------+-------------------|
| | Serial port 2 enabled | J32/pins | Closed |
| | | 3 & 4 | |
|---+-------------------------+----------+-------------------|
| | Serial port 2 disabled | J32/pins | Open |
| | | 3 & 4 | |
|---+-------------------------+----------+-------------------|
| | Serial port 3 enabled | J32/pins | Closed |
| | | 5 & 6 | |
|---+-------------------------+----------+-------------------|
| | Serial port 3 disabled | J32/pins | Open |
| | | 5 & 6 | |
|---+-------------------------+----------+-------------------|
| | Parallel port 1 enabled | J32/pins | Closed |
| | | 7 & 8 | |
|---+-------------------------+----------+-------------------|
| | Parallel port 1 | J32/pins | Open |
| | disabled | 7 & 8 | |
|---+-------------------------+----------+-------------------|
| | Parallel port 2 enabled | J32/pins | Closed |
| | | 11 & 12 | |
|---+-------------------------+----------+-------------------|
| | Parallel port 2 | J32/pins | Open |
| | disabled | 11 & 12 | |
|---+-------------------------+----------+-------------------|
| | Jumper information | J33 | Unidentified |
| | unavailable | | |
|---+-------------------------+----------+-------------------|
| » | BIOS type select 27128 | J36 | Pins 1 & 3 closed |
|---+-------------------------+----------+-------------------|
| | BIOS type select 27256 | J36 | Pins 2 & 4, 3 & 5 |
| | | | closed |
|---+-------------------------+----------+-------------------|
| | BIOS type select 27512 | J36 | Pins 3 & 5, 4 & 6 |
| | | | closed |
|---+-------------------------+----------+-------------------|
| | Jumper information | J37 | Unidentified |
| | unavailable | | |
|---+-------------------------+----------+-------------------|
| | Jumper information | J38 | Unidentified |
| | unavailable | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|-----------------------+------------------+-----------------|
| 256KB | (16) 4164 | (16) 4164 |
|-----------------------+------------------+-----------------|
| 512KB | (16) 41256 | None |
|-----------------------+------------------+-----------------|
| 640KB | (16) 41256 | (16) 4164 |
|-----------------------+------------------+-----------------|
| 1MB | (16) 41256 | (16) 41256 |
|-----------------------+------------------+-----------------|
| 1640KB * ** | (16) 411000 | (16) 41256 |
|-----------------------+------------------+-----------------|
| 2MB ** | (16) 411000 | None |
|-----------------------+------------------+-----------------|
| 2128KB (A) * ** | (16) 41256 | (16) 411000 |
|-----------------------+------------------+-----------------|
| 2128KB (B) * ** | (16) 411000 | (16) 41256 |
|-----------------------+------------------+-----------------|
| 4MB ** | (16) 411000 | (16) 411000 |
|------------------------------------------------------------|
| Note: The size are shown without parity chips The size of |
| the parity is unidentified. The location of banks 0 & 1 |
| are unidentified. * = Configuration not available on Rev. |
| A boards. ** = Requires special configuration for 1MB |
| memory devices. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|------------+-----------+-----------+-----------+-----------|
| 256KB | On | On | On | On |
|------------+-----------+-----------+-----------+-----------|
| 512KB | Off | Off | On | On |
|------------+-----------+-----------+-----------+-----------|
| 640KB | Off | On | On | On |
|------------+-----------+-----------+-----------+-----------|
| 1MB | Off | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 1640KB | Off | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 2MB | Off | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 2128KB (A) | Off | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 2128KB (B) | Off | On | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 4MB | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J39 |
|------------+-----------------------------------------------|
| 4164/41256 | 1 & 2, 4 & 5, 10 & 11, 13 & 14, 19 & 20, 22 & |
| | 23 |
|------------+-----------------------------------------------|
| 411000 | 5 & 6, 8 & 9, 14 & 15, 17 & 18, 20 & 21, 23 & |
| | 24 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | J29 |
|----------------------------------------+-------------------|
| Speed select by keyboard | Pins 1 & 2 closed |
| CTRL/ALT/SHIFT/DEL changes speed from | |
| 6MHZ to 10MHz and vice versa | |
|----------------------------------------+-------------------|
| 6MHz | Pins 2 & 3 closed |
|----------------------------------------+-------------------|
| 10MHz | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | J17/pins 1 & | J17/pins | J17/pins | J17/pins | |
| | 2 | 3 & 4 | 5 & 6 | 7 & 8 | |
|-------+--------------+----------+----------+----------| |
| IRQ10 | Closed | Open | Open | Open | |
|-------+--------------+----------+----------+----------| |
| | Open | Closed | Open | Open | |
| IRQ11 | | | | | |
|-------+--------------+----------+----------+----------| |
| | Open | Open | Closed | Open | |
| IRQ12 | | | | | |
|-------+--------------+----------+----------+----------| |
| | Open | Open | Open | Closed | |
| IRQ15 | | | | | |
+------------------------------------------------------------+