(TXT) View Source
# UNIDENTIFIED
L90 GRAPHICS ACCELERATOR CARD
940 GRAPHICS ACCELERATOR CARD
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | VESA local bus |
|-------------------+----------------------------------------|
| Size: | Full-length, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Two IDE (AT) Interface drives |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-----------------------------------------------+------------|
| 25-pin parallel port (LPT1/2) - external | CN1 |
|-----------------------------------------------+------------|
| 15-pin analog video port | CN2 |
|-----------------------------------------------+------------|
| 10-pin serial port (COM2/4) - internal | CN3 |
|-----------------------------------------------+------------|
| 10-pin serial port (COM1/3) - internal | CN4 |
|-----------------------------------------------+------------|
| 16-pin game port | CN5 |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | CN6 |
|-----------------------------------------------+------------|
| Feature Connector | CN7 |
|-----------------------------------------------+------------|
| 40-pin IDE (AT) Interface connector | CN8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|----------------------------------+----------+--------------|
| | RDYRTN# | JP3 | pins 1 & 2 |
| | | | closed |
|---+------------------------------+----------+--------------|
| » | LRDY# | JP3 | pins 2 & 3 |
| | | | closed |
|---+------------------------------+----------+--------------|
| » | Hard disk drive - enabled | JP7 | closed |
|---+------------------------------+----------+--------------|
| | Hard disk drive - disabled | JP7 | open |
|---+------------------------------+----------+--------------|
| » | CPU speed <= 33mhz | JP11 | open |
|---+------------------------------+----------+--------------|
| | CPU speed > 33mhz | JP11 | closed |
|---+------------------------------+----------+--------------|
| » | Parallel port - IRQ7 | JP14 | pins 2 & 3 |
| | | | closed |
|---+------------------------------+----------+--------------|
| | Parallel port - IRQ5 | JP14 | pins 1 & 2 |
| | | | closed |
|---+------------------------------+----------+--------------|
| » | Floppy controller - enabled | JP15 | pins 1 & 2 |
| | | | closed |
|---+------------------------------+----------+--------------|
| | Floppy controller - disabled | JP15 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VGA MODE SELECT |
|------------------------------------------------------------|
| Setting | JP5 | JP4 |
|------------------+--------------------+--------------------|
| » | Enabled | pins 2 & 3 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COM PORT SELECT |
|------------------------------------------------------------|
| Serial 1 | Serial 2 | JP12 | JP13 |
|------------------+-------------+-------------+-------------|
| » | COM 1 - | COM 2 - | pins 2 & 3 | pins 1 & 2 |
| | (3F8H) | (2F8H) | closed | closed |
|---+--------------+-------------+-------------+-------------|
| | COM 1 - | COM 4 - | pins 1 & 2 | pins 1 & 2 |
| | (3F8H) | (2E8H) | closed | closed |
|---+--------------+-------------+-------------+-------------|
| | COM 3 - | COM 4 - | pins 2 & 3 | pins 2 & 3 |
| | (3E8H) | (2E8H) | closed | closed |
|---+--------------+-------------+-------------+-------------|
| | COM 2 - | COM 3 - | pins 1 & 2 | pins 2 & 3 |
| | (2F8H) | (3E8H) | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT SELECT |
|------------------------------------------------------------|
| Setting | JP16 | JP17 |
|--------------------+-------------------+-------------------|
| » | LPT2 - (378h) | pins 1 & 2 closed | pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | LPT1 - (2BCh) | pins 1 & 2 closed | pins 2 & 3 closed |
|---+----------------+-------------------+-------------------|
| | LPT3 - (278h) | pins 2 & 3 closed | pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COM PORT SELECT |
|------------------------------------------------------------|
| Serial 1 | Serial 2 | JP18 | JP19 | JP21 |
|--------------+----------+-----------+-----------+----------|
| » | Enabled | Enabled | pins 1 & | pins 1 & | pins 1 & |
| | | | 2 closed | 2 closed | 2 closed |
|---+----------+----------+-----------+-----------+----------|
| | Enabled | Disabled | pins 1 & | pins 2 & | pins 1 & |
| | | | 2 closed | 3 closed | 2 closed |
|---+----------+----------+-----------+-----------+----------|
| | Disabled | Enabled | pins 2 & | pins 1 & | pins 2 & |
| | | | 3 closed | 2 closed | 3 closed |
|---+----------+----------+-----------+-----------+----------|
| | Disabled | Disabled | pins 2 & | pins 2 & | N/A |
| | | | 3 closed | 3 closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEMORY BANK CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1 MB | (2) 512K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2 MB | (2) 512K x 9 | (8) 256K x 4 |
+------------------------------------------------------------+