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# GENOA SYSTEMS CORPORATION
TURBOEXPRESS 686DP ATX
Processor Pentium Pro
Processor Speed 150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 512MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB (located on Pentium Pro CPU)
BIOS AMI
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (5), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), IR connector, USB connector, ATX power
connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+-----------------+-------------|
| ATX power | ATX | IDE interface 1 | J14 |
| connector | | | |
|-----------------+----------+-----------------+-------------|
| Serial port 1 | J1 | Speaker | J15/pins 1 |
| | | | - 4 |
|-----------------+----------+-----------------+-------------|
| PS/2 mouse port | J2 | Green PC | J15/pins 6 |
| | | connector | & 16 |
|-----------------+----------+-----------------+-------------|
| Parallel port | J4 | Soft off power | J15/pins 7 |
| | | supply | & 17 |
|-----------------+----------+-----------------+-------------|
| Serial port 2 | J5 | Turbo LED | J15/pins 8 |
| | | | & 18 |
|-----------------+----------+-----------------+-------------|
| USB connector | J6 | Reset switch | J15/pins 9 |
| | | | & 19 |
|-----------------+----------+-----------------+-------------|
| CPU fan power | J7 | IDE interface | J15/pins 10 |
| | | LED | & 20 |
|-----------------+----------+-----------------+-------------|
| CPU fan power | J8 | Power LED & | J15/pins 11 |
| | | keylock | - 15 |
|-----------------+----------+-----------------+-------------|
| Floppy drive | J12 | IR connector | J20 |
| interface | | | |
|-----------------+----------+-----------------+-------------|
| IDE interface 2 | J13 | 32-bit PCI | PC1 – PC5 |
| | | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| » | CMOS memory normal operation | JP15 | Open |
|---+---------------------------------+---------+------------|
| | CMOS memory clear | JP15 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 8MB | (2) 1M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 16MB | (2) 2M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 16MB | (2) 1M x 36 | (2) 1M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 24MB | (2) 1M x 36 | (2) 1M x | (2) 1M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (2) 1M x 36 | (2) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (2) 4M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | (2) 1M x 36 | (2) 1M x | (2) 1M x | (2) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (2) 2M x 36 | (2) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 40MB | (2) 1M x 36 | (2) 2M x | (2) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 40MB | (2) 1M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (2) 2M x 36 | (2) 2M x | (2) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (2) 2M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 8M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 2M x 36 | (2) 2M x | (2) 2M x | (2) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 4M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 1M x 36 | (2) 4M x | (2) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 1M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 2M x 36 | (2) 4M x | (2) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 2M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 4M x 36 | (2) 4M x | (2) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 4M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 4M x 36 | (2) 4M x | (2) 4M x | (2) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 136MB | (2) 1M x 36 | (2) 8M x | (2) 8M x | None |
| | | 36 | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 144MB | (2) 2M x 36 | (2) 8M x | (2) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 160MB | (2) 4M x 36 | (2) 8M x | (2) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 192MB | (2) 8M x 36 | (2) 8M x | (2) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 16M x | (2) 16M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 384MB | (2) 16M x | (2) 16M x | (2) 16M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 512MB | (2) 16M x | (2) 16M x | (2) 16M x | (2) 16M x |
| | 36 | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2.5x | On | Off | On | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | Off | On | Off | On |
|---------+-----------+----------+------+------+------+------|
| 180MHz | 60MHz | 3x | On | Off | On | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | Off | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CON’T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2.5x | Off | On | On | On |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | Off | On | On | On |
|---------+-----------+----------+------+------+------+------|
| 180MHz | 60MHz | 3x | On | Off | On | On |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | On | Off | On | On |
+------------------------------------------------------------+