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# SEANIX TECHNOLOGY, INC.
YUKON TX
Device Type Mainboard
Processor Pentium/Pentium MMX
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Intel 430TX
Maximum Onboard 512MB (EDO & SDRAM supported)
Memory
Cache 256/512KB
BIOS AMI
Dimensions 220mm x 260mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interface, parallel port, PS/2 mouse port,
serial ports (2), 10 Base-T/100 Base-TX LAN
connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+---------------+---------------|
| ATX power | ATX | IR connector | CN11/pins 1 - |
| connector | | | 6 |
|-----------------+----------+---------------+---------------|
| IDE interface 1 | CN1 | Green-PC | CN11/pins 8 & |
| | | connector | 9 |
|-----------------+----------+---------------+---------------|
| IDE interface 2 | CN2 | Reset switch | CN11/pins 10 |
| | | | & 11 |
|-----------------+----------+---------------+---------------|
| Floppy drive | CN3 | IDE interface | CN11/pins 12 |
| interface | | LED | & 15 |
|-----------------+----------+---------------+---------------|
| 10 Base-T/100 | CN4 | Power LED | CN11/pins 17 |
| Base-TX | | | & 19 |
| connector | | | |
|-----------------+----------+---------------+---------------|
| Parallel port | CN5 | Speaker | CN11/pins 23 |
| | | | - 26 |
|-----------------+----------+---------------+---------------|
| PS/2 mouse port | CN7 | Chassis/CPU | J4 |
| | | fan power | |
|-----------------+----------+---------------+---------------|
| USB connector 1 | CN8A | Chassis/CPU | J7 |
| | | fan power | |
|-----------------+----------+---------------+---------------|
| USB connector 2 | CN8B | Wake on LAN | JP9 |
| | | connector | |
|-----------------+----------+---------------+---------------|
| Serial port 2 | CN9 | 32-bit PCI | PC1 - PC4 |
| | | slots | |
|-----------------+----------+---------------+---------------|
| Serial port 1 | CN10 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 512MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP6 | JP7 |
|--------------------+-------------------+-------------------|
| 5v | Closed | Open |
|--------------------+-------------------+-------------------|
| 3.3v | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| CPU | JP12 | JP13 | JP14 |
|-------------+---------------+---------------+--------------|
| Pentium MMX | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|-------------+---------------+---------------+--------------|
| Pentium | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+--------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|--------------------------------------------------------------|
|Speed | Bus |Multiplier|JP3| JP4 | JP5 | JP8 | JP9 | JP11 |
| |Speed| | | | | | | |
|------+-----+----------+---+------+------+------+------+------|
|133MHz|66MHz| 2x |2 &| Open | Open | Open |Closed| Open |
| | | | 3 | | | | | |
|------+-----+----------+---+------+------+------+------+------|
|150MHz|60MHz| 2.5x |2 &|Closed|Closed|Closed| Open | Open |
| | | | 3 | | | | | |
|------+-----+----------+---+------+------+------+------+------|
|166MHz|66MHz| 2.5x |2 &|Closed| Open | Open |Closed| Open |
| | | | 3 | | | | | |
|------+-----+----------+---+------+------+------+------+------|
|180MHz|60MHz| 3x |1 &|Closed|Closed|Closed| Open | Open |
| | | | 2 | | | | | |
|------+-----+----------+---+------+------+------+------+------|
|200MHz|66MHz| 3x |1 &|Closed| Open | Open |Closed|Closed|
| | | | 2 | | | | | |
|--------------------------------------------------------------|
|Note: Pins designated are in the closed position. |
+--------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
|Speed | Bus |Multiplier|JP3 | JP4 |JP5 |JP8 | JP9 | JP11 |
| |Speed | | | | | | | |
|------+------+----------+----+------+----+----+------+------|
|166MHz|66MHz | 2.5x |2 & |Closed|Open|Open|Closed| Open |
| | | | 3 | | | | | |
|------+------+----------+----+------+----+----+------+------|
|200MHz|66MHz | 3x |1 & |Closed|Open|Open|Closed|Closed|
| | | | 2 | | | | | |
|------+------+----------+----+------+----+----+------+------|
|233MHz|66MHz | 3.5x |1 & | Open |Open|Open|Closed| Open |
| | | | 2 | | | | | |
|------------------------------------------------------------|
|Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ONBOARD LAN SELECTION |
|------------------------------------------------------------|
| Setting | JP18 | JP20 |
|----------------------+------------------+------------------|
| Onboard LAN enabled | Closed | Closed |
|----------------------+------------------+------------------|
| Onboard LAN disabled | Open | Open |
+------------------------------------------------------------+