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# ASUS COMPUTER INTERNATIONAL
TX97-N (REV. 1.03)
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
Video Chip Set ATI
Maximum Onboard 256 (EDO & SDRAM supported)
Memory
Maximum Video 2MB
Memory
Cache 512KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options Game/MIDI port, parallel port, PS/2 mouse
port, serial ports (2), VGA port, SVHS TV
out, TV out
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Chassis fan power | C1 | Serial port 2 | CN3 |
|--------------------+----------+-----------------+----------|
| Audio connector | C2 | PS/2 mouse port | CN4 |
|--------------------+----------+-----------------+----------|
| AMC connector | C3 | SVHS TV out | CN5 |
|--------------------+----------+-----------------+----------|
| CD-ROM connector | C4 | TV out | CN6 |
|--------------------+----------+-----------------+----------|
| LCD connector | C5 | VGA port | CN7 |
|--------------------+----------+-----------------+----------|
| Parallel port | CN1 | Game/MIDI port | CN8 |
|--------------------+----------+-----------------+----------|
| Serial port 1 | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| ยป | CMOS memory normal operation | RTC | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | RTC | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 EDO & SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 512KB | (1) 64K x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (2) 256K x 16 | None |
|------------------+--------------------+--------------------|
| 2MB | (2) 256K x 16 | (2) 256K x 16 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| BF0 | BF1 | BF2 |FS0 |FS1 |FS2 |
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 66MHz | 2x |1 & 2|1 & 2|2 & 3|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|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 |1 & 2|1 & 2|2 & 3|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|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 |1 & 2|1 & 2|2 & 3|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|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 |1 & 2|1 & 2|2 & 3|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|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 |1 & 2|2 & 3|2 & 3|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 66MHz | 2.5x |1 & 2|2 & 3|2 & 3|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|233MHz | 66MHz | 3x |1 & 2|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|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 |1 & 2|2 & 3|2 & 3|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 66MHz | 2.5x |1 & 2|2 & 3|2 & 3|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|233MHz | 66MHz | 3x |1 & 2|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|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|1 & 2|2 & |2 & |2 & |
| | | | | | | 3 | 3 | 3 |
|-------+--------+----------+-----+-----+-----+----+----+----|
| 90MHz | 60MHz | 1.5x |1 & 2|1 & 2|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|100MHz | 66MHz | 1.5x |1 & 2|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|120MHz | 60MHz | 1.5x |1 & 2|1 & 2|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|133MHz | 66MHz | 1.5x |1 & 2|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|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 |1 & 2|2 & 3|2 & 3|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 66MHz | 3x |1 & 2|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|233MHz | 66MHz | 3.5x |1 & 2|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|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|1 & 2|2 & |2 & |2 & |
| | | | | | | 3 | 3 | 3 |
|-------+--------+----------+-----+-----+-----+----+----+----|
| 90MHz | 60MHz | 1.5x |1 & 2|1 & 2|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|100MHz | 66MHz | 1.5x |1 & 2|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|120MHz | 60MHz | 2x |1 & 2|1 & 2|2 & 3|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|133MHz | 66MHz | 2x |1 & 2|1 & 2|2 & 3|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|150MHz | 60MHz | 2.5x |1 & 2|2 & 3|2 & 3|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 66MHz | 2.5x |1 & 2|2 & 3|2 & 3|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|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 |1 & 2|2 & 3|2 & 3|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 66MHz | 3x |1 & 2|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|233MHz | 66MHz | 3.5x |1 & 2|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|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 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | VID0 | VID1 | VID2 |
|---------+----------------+----------------+----------------|
| 2.1v | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | 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 |
+------------------------------------------------------------+