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# ATC/UNITRON COMPUTERS & COMPUTER PARTS
EX3135
Data bus: 32-bit VL-bus
Size: Three-quarter length, full-height card
Hard drive Two IDE(AT) drives
supported:
Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB
supported: drives
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|------------------------------------------+-----------------|
| 34-pin cable connector - floppy drive | CN1 |
|------------------------------------------+-----------------|
| 40-pin primary IDE(AT) connector | CN2 |
|------------------------------------------+-----------------|
| 16-pin game port | CN3 |
|------------------------------------------+-----------------|
| 10-pin serial port 2 - internal | CN4 |
|------------------------------------------+-----------------|
| 9-pin serial port 1 - external | CN5 |
|------------------------------------------+-----------------|
| 25-pin parallel port - external | CN6 |
|------------------------------------------+-----------------|
| 4-pin connector - drive active LED | J10 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Factory configured - do not | J1 | Pins 2 & 3 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | J2 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | J3 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | IDE(AT) interface enabled | J4 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | IDE(AT) interface disabled | J4 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | IDE port address 034h, 038h, | J7 | Pins 1 & 2 |
| | 03Ch select | | closed |
|---+--------------------------------+----------+------------|
| | IDE port address 0B4h, 0B8h, | J7 | Pins 2 & 3 |
| | 0BCh select | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | J8 | Pins 2 & 3 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | J9 | Pins 1 & 2 |
| | alter | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS (CONTINUED) |
|------------------------------------------------------------|
| Function | Location | Setting |
|-----------------------------------+-----------+------------|
| » | Two IDE(AT) drives present | J11 | Open |
|----+------------------------------+-----------+------------|
| | One IDE(AT) drive present | J11 | Closed |
|----+------------------------------+-----------+------------|
| » | Parallel port enabled | JP12 | Pins 1 & 2 |
| | | | closed |
|----+------------------------------+-----------+------------|
| | Parallel port disabled | JP12 | Pins 2 & 3 |
| | | | closed |
|----+------------------------------+-----------+------------|
| » | Factory configured - do not | JP13 | Pins 2 & 3 |
| | alter | | closed |
|----+------------------------------+-----------+------------|
| » | Factory configured - do not | JP14 | Pins 1 & 2 |
| | alter | | closed |
|----+------------------------------+-----------+------------|
| » | Floppy drive interface | JP15 | Pins 1 & 2 |
| | enabled | | closed |
|----+------------------------------+-----------+------------|
| | Floppy drive interface | JP15 | Pins 2 & 3 |
| | disabled | | closed |
|----+------------------------------+-----------+------------|
| » | Parallel port is LPT1(378h) | JP16 | Pins 1 & 2 |
| | | | closed |
|----+------------------------------+-----------+------------|
| | Parallel port is LPT2(278h) | JP16 | Pins 2 & 3 |
| | | | closed |
|----+------------------------------+-----------+------------|
| » | Game port enabled | JP17 | Pins 1 & 2 |
| | | | closed |
|----+------------------------------+-----------+------------|
| | Game port disabled | JP17 | Pins 2 & 3 |
| | | | closed |
|----+------------------------------+-----------+------------|
| » | Parity check disabled | JP27 | Open |
|----+------------------------------+-----------+------------|
| | Parity check enabled | JP27 | Closed |
|----+------------------------------+-----------+------------|
| » | M/B Chipset is not ALI 1429 | JP30 | Closed |
| | A/G | | |
|----+------------------------------+-----------+------------|
| | M/B Chipset is ALI 1429 A/G | JP30 | Open |
|------------------------------------------------------------|
| Note: Parity check can only be enabled when using SIMMs |
| with parity bit. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | JP23 | JP24 |
|--------------------------+----------------+----------------|
| » | C8000-CFFFFh | Closed | Closed |
|---+----------------------+----------------+----------------|
| | D0000-D7FFFh | Open | Closed |
|---+----------------------+----------------+----------------|
| | D8000-DFFFFh | Closed | Open |
|---+----------------------+----------------+----------------|
| | E0000-E7FFFh | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERFACE MODE SELECTION |
|------------------------------------------------------------|
| Mode | J5 | J6 |
|--------------------+-------------------+-------------------|
| 386SX | Pins 1 & 2 closed | Pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| 386DX | Pins 1 & 2 closed | Pins 2 & 3 closed |
|--------------------+-------------------+-------------------|
| 486 | Pins 2 & 3 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE I/O PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | JP25 | JP26 |
|--------------------------+----------------+----------------|
| » | 130h & 134h | Closed | Closed |
|---+----------------------+----------------+----------------|
| | 230h & 234h | Open | Closed |
|---+----------------------+----------------+----------------|
| | 300h & 304h | Closed | Open |
|---+----------------------+----------------+----------------|
| | 330h & 334h | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| PORT 1 | PORT 2 | JP18 | JP19 | JP20 | JP21 |
|----------+----------+---------+---------+---------+--------|
| COM1 | COM2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|----------+----------+---------+---------+---------+--------|
| COM1 | COM4 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|----------+----------+---------+---------+---------+--------|
| COM1 | Disabled | 1 & 2 | 1 & 2 | 2 & 3 | N/A |
|----------+----------+---------+---------+---------+--------|
| COM3 | COM2 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 |
|----------+----------+---------+---------+---------+--------|
| COM3 | COM4 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
|----------+----------+---------+---------+---------+--------|
| COM3 | Disabled | 1 & 2 | 2 & 3 | 2 & 3 | N/A |
|----------+----------+---------+---------+---------+--------|
| Disabled | COM2 | 2 & 3 | N/A | 1 & 2 | 1 & 2 |
|----------+----------+---------+---------+---------+--------|
| Disabled | COM4 | 2 & 3 | N/A | 1 & 2 | 2 & 3 |
|----------+----------+---------+---------+---------+--------|
| Disabled | Disabled | 2 & 3 | N/A | 2 & 3 | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP28 | JP29 |
|------------------------------------+-----------+-----------|
| On-board DRAM enabled (256 x 16) | Open | Open |
|------------------------------------+-----------+-----------|
| On-board DRAM disabled | Closed | Closed |
|------------------------------------------------------------|
| Note: When enabling DRAM do not fill Bank 0 and leave |
| jumper JP27 open. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | On-board DRAM |
|-------------+--------------+--------------+----------------|
| 512KB | (2) 256 x 9 | NONE | NONE |
|-------------+--------------+--------------+----------------|
| 512KB | NONE | NONE | (1) 256 x 16 |
|-------------+--------------+--------------+----------------|
| 1MB | (2) 256 x 9 | (2) 256 x 9 | NONE |
|-------------+--------------+--------------+----------------|
| 2Mb | (2) 1MB x 9 | NONE | NONE |
|-------------+--------------+--------------+----------------|
| 2.5MB | (2) 1MB x 9 | (2) 256 x9 | NONE |
|-------------+--------------+--------------+----------------|
| 2.5MB | NONE | (2) 1MB x 9 | (1) 256 x 16 |
|-------------+--------------+--------------+----------------|
| 4MB | (2) 1MB x 9 | (2) 1MB x 9 | NONE |
|-------------+--------------+--------------+----------------|
| 8MB | (2) 4MB x 9 | NONE | NONE |
|-------------+--------------+--------------+----------------|
| 8.5MB | (2) 4MB x 9 | (2) 256 x 9 | NONE |
|-------------+--------------+--------------+----------------|
| 8.5MB | NONE | (2) 4MB x 9 | (1) 256 x 16 |
|-------------+--------------+--------------+----------------|
| 10MB | (2) 4MB x 9 | (2) 1MB x 9 | NONE |
|-------------+--------------+--------------+----------------|
| 16MB | (2) 4MB x 9 | (2) 4MB x 9 | NONE |
|------------------------------------------------------------|
| Note: 0KB of memory is also a valid configuration. |
+------------------------------------------------------------+