TEXT View Source
# MICRONICS COMPUTERS, INC.
TWISTER AT
Processor CX M1/AM K5/AM K6/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200/233MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (5), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), IR connector, USB connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+----------------+------------|
| USB connector 1 | J10 | Green PC | J23/pins 3 |
| | | connector | & 4 |
|-------------------+----------+----------------+------------|
| USB connector 2 | J11 | IR connector | J23/pins 6 |
| | | | - 10 |
|-------------------+----------+----------------+------------|
| IDE interface 2 | J13 | IDE interface | J23/pins |
| | | LED | 13 - 16 |
|-------------------+----------+----------------+------------|
| Serial port 2 | J14 | Power LED | J23/pins |
| | | | 18 - 20 |
|-------------------+----------+----------------+------------|
| IDE interface 1 | J15 | Reset switch | J23/pins |
| | | | 22 & 23 |
|-------------------+----------+----------------+------------|
| Floppy drive | J16 | Speaker | J23/pins |
| interface | | | 24 - 27 |
|-------------------+----------+----------------+------------|
| Parallel port | J17 | Power LED & | J24 |
| | | keylock | |
|-------------------+----------+----------------+------------|
| Chassis fan power | J18 | SCSI interface | J101 |
| | | LED | |
|-------------------+----------+----------------+------------|
| PS/2 mouse | J19 | 32-bit PCI | PC1 – PC5 |
| interface | | slots | |
|-------------------+----------+----------------+------------|
| Serial port 1 | J22 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP1 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP1 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | Flash BIOS normal operation | JP2 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | Flash BIOS reserved | JP2 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | (2) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 2M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 1M x | (1) 1M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (2) 2M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 24MB | None | None | (1) 2M x | (1) 1M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 2M x 36 | None | None | (1) 2M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (1) 4M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (1) 2M x | (1) 2M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 40MB | None | None | (1) 1M x | (1) 4M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 2M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 48MB | None | None | (1) 2M x | (1) 4M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 8M x 36 | None | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 4M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 4M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | None | None | (1) 8M x | None |
| | | | 64 | |
|-------+-------------+------------+------------+------------|
| 64MB | None | None | (1) 4M x | (1) 4M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 8M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 8M x 36 | (2) 1M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 72MB | None | None | (1) 1M x | (1) 8M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 2M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 2M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 8M x 36 | (2) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 80MB | None | None | (1) 2M x | (1) 8M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 4M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 96MB | None | None | (1) 4M x | (1) 8M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 16M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | None | None | (1) 8M x | (1) 8M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 136MB | (2) 16M x | (2) 1M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 144MB | (2) 16M x | (2) 2M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 160MB | (2) 16M x | (2) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 192MB | (2) 16M x | (2) 8M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 16M x | (2) 16M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 256MB | None | None | (1) 16M x | (1) 16M x |
| | | | 64 | 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks 2 & 3 are |
| interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
|------------------------------------------------------------|
| Note: The location of the cache is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP4 | JP5 | JP6 |JP7 |JP8 |JP60|
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|150MHz | 50MHz | 2x |1 & 2|1 & 2|2 & 3|2 & |1 & |Open|
| | | | | | | 3 | 2 | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 60MHz | 2x |1 & 2|1 & 2|2 & 3|1 & |2 & |Open|
| | | | | | | 2 | 3 | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP4 | JP5 |JP6 |JP7 |JP8 |JP60 |
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+----+----+----+-----|
| 75MHz | 50MHz | 1.5x |1 & 2|1 & 2|2 & |2 & |2 & |Open |
| | | | | | 3 | 3 | 3 | |
|-------+--------+----------+-----+-----+----+----+----+-----|
| 90MHz | 60MHz | 1.5x |1 & 2|1 & 2|2 & |2 & |1 & |Open |
| | | | | | 3 | 3 | 2 | |
|-------+--------+----------+-----+-----+----+----+----+-----|
|100MHz | 66MHz | 1.5x |1 & 2|1 & 2|2 & |1 & |2 & |Open |
| | | | | | 3 | 2 | 3 | |
|-------+--------+----------+-----+-----+----+----+----+-----|
|120MHz | 60MHz | 1.5x |1 & 2|1 & 2|2 & |2 & |1 & |Open |
| | | | | | 3 | 3 | 2 | |
|-------+--------+----------+-----+-----+----+----+----+-----|
|133MHz | 66MHz | 2x |1 & 2|2 & 3|2 & |1 & |2 & |Open |
| | | | | | 3 | 2 | 3 | |
|-------+--------+----------+-----+-----+----+----+----+-----|
|166MHz | 66MHz | 2.5x |2 & 3|2 & 3|2 & |1 & |2 & |Open |
| | | | | | 3 | 2 | 3 | |
|-------+--------+----------+-----+-----+----+----+----+-----|
|200MHz | 66MHz | 3x |2 & 3|1 & 2|2 & |1 & |2 & |Open |
| | | | | | 3 | 2 | 3 | |
|-------+--------+----------+-----+-----+----+----+----+-----|
|233MHz | 66MHz | 3.5x |1 & 2|1 & 2|2 & |1 & |2 & |1 & 2|
| | | | | | 3 | 2 | 3 | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP4 | JP5 | JP6 |JP7 |JP8 |JP60|
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+-----+----+----+----|
| 75MHz | 50MHz | 1.5x |1 & 2|1 & 2|2 & 3|2 & |2 & |Open|
| | | | | | | 3 | 3 | |
|-------+--------+----------+-----+-----+-----+----+----+----|
| 90MHz | 60MHz | 1.5x |1 & 2|1 & 2|2 & 3|2 & |1 & |Open|
| | | | | | | 3 | 2 | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|100MHz | 66MHz | 1.5x |1 & 2|1 & 2|2 & 3|1 & |2 & |Open|
| | | | | | | 2 | 3 | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|120MHz | 60MHz | 2x |1 & 2|2 & 3|2 & 3|2 & |1 & |Open|
| | | | | | | 3 | 2 | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|133MHz | 66MHz | 2x |1 & 2|2 & 3|2 & 3|1 & |2 & |Open|
| | | | | | | 2 | 3 | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|150MHz | 60MHz | 2.5x |2 & 3|2 & 3|2 & 3|2 & |1 & |Open|
| | | | | | | 3 | 2 | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 66MHz | 2.5x |2 & 3|2 & 3|2 & 3|1 & |2 & |Open|
| | | | | | | 2 | 3 | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|180MHz | 60MHz | 3x |2 & 3|1 & 2|2 & 3|2 & |1 & |Open|
| | | | | | | 3 | 2 | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 66MHz | 3x |2 & 3|1 & 2|2 & 3|1 & |2 & |Open|
| | | | | | | 2 | 3 | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|233MHz | 66MHz | 3.5x |1 & 2|1 & 2|2 & 3|1 & |2 & |Open|
| | | | | | | 2 | 3 | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP11 | JP12 | JP13 | JP14 |JP16| JP17 |JP18|JP19|
|----------+------+------+------+------+----+------+----+----|
| CX6X86 | Open |Closed| Open | Open |Open|Closed|Open|Open|
|----------+------+------+------+------+----+------+----+----|
| CX6X86L | Open | Open | Open |Closed|Open|Closed|Open|Open|
|----------+------+------+------+------+----+------+----+----|
| AM K5 | Open | Open |Closed| Open |Open|Closed|Open|Open|
|----------+------+------+------+------+----+------+----+----|
| AM K6 | Open | Open | Open |Closed|Open|Closed|Open|Open|
|----------+------+------+------+------+----+------+----+----|
| AM K6 |Closed| Open | Open | Open |Open|Closed|Open|Open|
| 233MHz | | | | | | | | |
|----------+------+------+------+------+----+------+----+----|
| P54C | Open |Closed| Open | Open |Open|Closed|Open|Open|
|----------+------+------+------+------+----+------+----+----|
| P54CS | Open |Closed| Open | Open |Open|Closed|Open|Open|
|----------+------+------+------+------+----+------+----+----|
| P54CTB | Open |Closed| Open | Open |Open|Closed|Open|Open|
|----------+------+------+------+------+----+------+----+----|
| P55C | Open | Open | Open |Closed|Open|Closed|Open|Open|
+------------------------------------------------------------+