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# ASUS COMPUTER INTERNATIONAL
TX97-LE (REV. 1.00)
Device Type Mainboard
Processor CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX
686MX/IBM 6X86MX/
AM K5/AM K6/Pentium/Pentium MMX
Processor Speed 75/90/100/120/133/150/166/200/233MHz
Chip Set Intel 430TX
Maximum Onboard 256MB (EDO & SDRAM supported)
Memory
Cache 512KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), parallel port, PS/2 mouse
interface, serial ports (2), IR connector, VRM
connector, USB connector, ATX power connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+-----------+----------------+-----------|
| ATX power | ATX | CPU fan power | C7 |
| connector | | | |
|-------------------+-----------+----------------+-----------|
| Turbo LED | C1/pins 2 | Wake on LAN | C8 |
| | & 3 | connector | |
|-------------------+-----------+----------------+-----------|
| Soft off power | C1/pins 6 | Power fan | C9 |
| supply | & 7 | | |
|-------------------+-----------+----------------+-----------|
| Reset switch | C1/pins 9 | Serial port 1 | CN1 |
| | & 10 | | |
|-------------------+-----------+----------------+-----------|
| Power LED & | C1/pins | Serial port 2 | CN2 |
| keylock | 11 - 15 | | |
|-------------------+-----------+----------------+-----------|
| Speaker | C1/pins | Parallel port | CN3 |
| | 17 - 20 | | |
|-------------------+-----------+----------------+-----------|
| IDE interface LED | C2 | Floppy drive | CN4 |
| | | interface | |
|-------------------+-----------+----------------+-----------|
| Chassis fan power | C3 | IDE interface | CN5 |
| | | 2 | |
|-------------------+-----------+----------------+-----------|
| IR connector | C4 | IDE interface | CN6 |
| | | 1 | |
|-------------------+-----------+----------------+-----------|
| Temperature | C5 | PS/2 mouse, | CN7 |
| sensor | | USB, IR | |
| | | interface | |
|-------------------+-----------+----------------+-----------|
| Chassis intrusion | C6 | 32-bit PCI | PC1 - PC4 |
| connector | | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | Boot block disabled | BBW | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | Boot block enabled | BBW | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| » | Keyboard power disabled | KBP | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | Keyboard power enabled | KBP | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| » | CMOS memory normal operation | RTC | Open |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | RTC | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM 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) 4M x 36 | (2) 1M 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) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 512KB | (1) 64K x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 |BF2 | FS0 |FS1|FS2|
| speed | speed | | | | | | | |
|-------+----------+----------+-----+-----+----+-----+---+---|
|166MHz | 66MHz | 2x |2 & 3|1 & 2|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION ( IBM 6X86) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 |BF2 | FS0 |FS1|FS2|
| speed | speed | | | | | | | |
|-------+----------+----------+-----+-----+----+-----+---+---|
|166MHz | 66MHz | 2x |2 & 3|1 & 2|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 |BF2 | FS0 |FS1|FS2|
| speed | speed | | | | | | | |
|-------+----------+----------+-----+-----+----+-----+---+---|
|166MHz | 66MHz | 2x |2 & 3|1 & 2|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION ( IBM 6X86L) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 |BF2 | FS0 |FS1|FS2|
| speed | speed | | | | | | | |
|-------+----------+----------+-----+-----+----+-----+---+---|
|166MHz | 66MHz | 2x |2 & 3|1 & 2|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 |BF2 | FS0 |FS1|FS2|
| speed | speed | | | | | | | |
|-------+----------+----------+-----+-----+----+-----+---+---|
|166MHz | 60MHz | 2.5x |2 & 3|2 & 3|Open|1 & 2|2 &|2 &|
| | | | | | | | 3 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|200MHz | 66MHz | 2.5x |2 & 3|2 & 3|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|233MHz | 66MHz | 3x |1 & 2|2 & 3|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 |BF2 | FS0 |FS1|FS2|
| speed | speed | | | | | | | |
|-------+----------+----------+-----+-----+----+-----+---+---|
|166MHz | 60MHz | 2.5x |2 & 3|2 & 3|Open|1 & 2|2 &|2 &|
| | | | | | | | 3 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|200MHz | 66MHz | 2.5x |2 & 3|2 & 3|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|233MHz | 66MHz | 3x |1 & 2|2 & 3|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 |BF2 | FS0 |FS1|FS2|
| speed | speed | | | | | | | |
|-------+----------+----------+-----+-----+----+-----+---+---|
| 75MHz | 50MHz | 1.5x |1 & 2|1 & 2|Open|2 & 3|2 &|2 &|
| | | | | | | | 3 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
| 90MHz | 60MHz | 1.5x |1 & 2|1 & 2|Open|1 & 2|2 &|2 &|
| | | | | | | | 3 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|100MHz | 66MHz | 1.5x |1 & 2|1 & 2|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|120MHz | 60MHz | 1.5x |1 & 2|1 & 2|Open|1 & 2|2 &|2 &|
| | | | | | | | 3 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|133MHz | 66MHz | 1.5x |1 & 2|1 & 2|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 |BF2 | FS0 |FS1|FS2|
| speed | speed | | | | | | | |
|-------+----------+----------+-----+-----+----+-----+---+---|
|166MHz | 66MHz | 2.5x |2 & 3|2 & 3|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|200MHz | 66MHz | 3x |1 & 2|2 & 3|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|233MHz | 66MHz | 3.5x |1 & 2|1 & 2|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 |BF2 | FS0 |FS1|FS2|
| speed | speed | | | | | | | |
|-------+----------+----------+-----+-----+----+-----+---+---|
| 75MHz | 50MHz | 1.5x |1 & 2|1 & 2|Open|2 & 3|2 &|2 &|
| | | | | | | | 3 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
| 90MHz | 60MHz | 1.5x |1 & 2|1 & 2|Open|1 & 2|2 &|2 &|
| | | | | | | | 3 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|100MHz | 66MHz | 1.5x |1 & 2|1 & 2|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|120MHz | 60MHz | 2x |2 & 3|1 & 2|Open|1 & 2|2 &|2 &|
| | | | | | | | 3 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|133MHz | 66MHz | 2x |2 & 3|1 & 2|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|150MHz | 60MHz | 2.5x |2 & 3|2 & 3|Open|1 & 2|2 &|2 &|
| | | | | | | | 3 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|166MHz | 66MHz | 2.5x |2 & 3|2 & 3|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 |BF2 | FS0 |FS1|FS2|
| speed | speed | | | | | | | |
|-------+----------+----------+-----+-----+----+-----+---+---|
|166MHz | 66MHz | 2.5x |2 & 3|2 & 3|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|200MHz | 66MHz | 3x |1 & 2|2 & 3|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|-------+----------+----------+-----+-----+----+-----+---+---|
|233MHz | 66MHz | 3.5x |1 & 2|1 & 2|Open|2 & 3|1 &|2 &|
| | | | | | | | 2 | 3 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | VID0 | VID1 | VID2 |
|---------+----------------+----------------+----------------|
| 3.4v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 3.5v | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | VID0 | VID1 | VID2 |
|---------+----------------+----------------+----------------|
| 2.2v | Open | Pins 1 & 2 | Open |
| | | closed | |
|---------+----------------+----------------+----------------|
| 2.8v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 2.9v | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 3.2v | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+