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# ASUS COMPUTER INTERNATIONAL
TX97-X (REV. 3.00)
Device Type Mainboard
Processor CX 6X86/CX 6X86MX/AM K5/AM K6/Pentium/Pentium
MMX
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Intel 430TX
Audio Chip Set Creative Labs
Maximum Onboard 256MB (EDO and SDRAM supported)
Memory
Cache 512KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
game/MIDI port, IDE interfaces (2), PS/2
mouse port, serial ports (2), IR connector,
USB connectors (2), ATX power connector, line
in connector, line out connector, microphone
connector, CD-ROM audio interface, wake on
LAN connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | IDE interface 1 | CN13 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Game/MIDI port | CN1 | Chassis open | COA |
| | | alarm | |
|-------------------+----------+------------------+----------|
| Microphone in | CN2 | IR connector | IR |
| connector | | | |
|-------------------+----------+------------------+----------|
| Line in connector | CN3 | Chassis fan | J1 |
| | | power | |
|-------------------+----------+------------------+----------|
| Line out | CN4 | Chassis fan | J2 |
| connector | | power | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN5 | Chassis fan | J3 |
| | | power | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN6 | Front panel | J4 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Parallel port | CN7 | IDE interface | J5 |
| | | LED | |
|-------------------+----------+------------------+----------|
| USB connector 1 | CN8 | Creative Modem | J6 |
| | | connector | |
|-------------------+----------+------------------+----------|
| USB connector 2 | CN9 | Sony CD-ROM | J9 |
| | | connector | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN10 | Wake on LAN | LAN |
| | | activity | |
| | | connector | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN11 | 32-bit PCI slots | PC1 – |
| interface | | | PC4 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN12 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | On board audio enabled | AUDIO | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | On board audio disabled | AUDIO | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | BF2 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS write protect | BBW | Pins 1 & 2 |
| | disabled | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS write protect | BBW | Pins 2 & 3 |
| | enabled | | closed |
|---+---------------------------------+-------+--------------|
| » | On board I/O enabled | I/O | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | On board I/O disabled | I/O | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | RTC | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | RTC | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Volume control up | VOLC | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Volume control down | VOLC | Pins 4 & 5 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (1) 1M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 1M x 64 | (1) 1M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 2M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 1M x 64 | (1) 1M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 4M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 80MB | (1) 4M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 | None |
|------------+---------------+---------------+---------------|
| 128MB | (1) 16M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 | None |
|------------+---------------+---------------+---------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 | None |
|------------+---------------+---------------+---------------|
| 256MB | (1) 32M x 64 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF0 | BF1 | FS0 | FS1 | FS2 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 2 & | 1 & | 1 & | 2 & | 2 & |
| | | | 3 | 2 | 2 | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF0 | BF1 | FS0 | FS1 | FS2 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & | 2 & | 2 & | 2 & |
| | | | 3 | 3 | 3 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 2 & | 2 & | 1 & |
| | | | 3 | 3 | 3 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 2 & | 1 & | 2 & | 2 & | 1 & |
| | | | 3 | 2 | 3 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF0 | BF1 | FS0 | FS1 | FS2 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 2 & |
| | | | 2 | 2 | 3 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 2 & | 2 & |
| | | | 2 | 2 | 3 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 2 & |
| | | | 2 | 2 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 2 & | 2 & |
| | | | 2 | 2 | 3 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 2 & |
| | | | 2 | 2 | 2 | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF0 | BF1 | FS0 | FS1 | FS2 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 2 & | 2 & | 2 & | 2 & | 1 & |
| | | | 3 | 3 | 3 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 2 & | 1 & | 2 & | 2 & | 1 & |
| | | | 3 | 2 | 3 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & | 2 & | 2 & | 1 & |
| | | | 2 | 2 | 3 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF0 | BF1 | FS0 | FS1 | FS2 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 2 & |
| | | | 2 | 2 | 3 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 2 & | 2 & |
| | | | 2 | 2 | 3 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 2 & |
| | | | 2 | 2 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x | 2 & | 1 & | 2 & | 2 & | 2 & |
| | | | 3 | 2 | 3 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x | 2 & | 1 & | 1 & | 2 & | 2 & |
| | | | 3 | 2 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & | 2 & | 2 & | 2 & |
| | | | 3 | 3 | 3 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 2 & | 2 & |
| | | | 3 | 3 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 1 & | 2 & | 2 & |
| | | | 2 | 3 | 2 | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTELMMX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF0 | BF1 | FS0 | FS1 | FS2 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 2 & | 2 & |
| | | | 3 | 3 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 1 & | 2 & | 2 & |
| | | | 2 | 3 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & | 1 & | 2 & | 2 & |
| | | | 2 | 2 | 2 | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | VID0 | VID1 | VID2 | VID3 |
|---------+------------------+------+-----------------+------|
| 3.4v | Pins 2 & 3 | Open | Pins 2 & 3 | Open |
| | closed | | closed | |
|---------+------------------+------+-----------------+------|
| 3.5v | Pins 1 & 2 | Open | Pins 2 & 3 | Open |
| | closed | | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| V | V | VID0 | VID1 | VID2 | VID3 |
| I/O | core | | | | |
|------+------+-----------+-----------+-----------+----------|
| 1.8v | 3.3v | Open | Open | Open | Pins 1 & |
| | | | | | 2 closed |
|------+------+-----------+-----------+-----------+----------|
| 1.9v | 3.3v | Open | Open | Open | Pins 2 & |
| | | | | | 3 closed |
|------+------+-----------+-----------+-----------+----------|
| 2.1v | 3.3v | Pins 1 & | Pins 2 & | Open | Open |
| | | 2 closed | 3 closed | | |
|------+------+-----------+-----------+-----------+----------|
| 2.5v | 3.3v | Pins 1 & | Pins 2 & | Pins 1 & | Open |
| | | 2 closed | 3 closed | 2 closed | |
|------+------+-----------+-----------+-----------+----------|
| 2.7v | 3.3v | Pins 1 & | Pins 1 & | Pins 1 & | Open |
| | | 2 closed | 2 closed | 2 closed | |
|------+------+-----------+-----------+-----------+----------|
| 2.8v | 3.3v | Pins 2 & | Pins 2 & | Pins 2 & | Open |
| | | 3 closed | 3 closed | 3 closed | |
|------+------+-----------+-----------+-----------+----------|
| 2.9v | 3.3v | Pins 1 & | Pins 2 & | Pins 2 & | Open |
| | | 2 closed | 3 closed | 3 closed | |
|------+------+-----------+-----------+-----------+----------|
| 3.2v | 3.3v | Pins 2 & | Pins 2 & | Pins 1 & | Open |
| | | 3 closed | 3 closed | 2 closed | |
+------------------------------------------------------------+