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 Memory | 256MB (EDO supported) |
Maximum Video Memory | None |
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 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
USB connector 1 | J10 | Green PC connector | J23/pins 3 & 4 |
USB connector 2 | J11 | IR connector | J23/pins 6 - 10 |
IDE interface 2 | J13 | IDE interface LED | J23/pins 13 - 16 |
Serial port 2 | J14 | Power LED | J23/pins 18 - 20 |
IDE interface 1 | J15 | Reset switch | J23/pins 22 & 23 |
Floppy drive interface | J16 | Speaker | J23/pins 24 - 27 |
Parallel port | J17 | Power LED & keylock | J24 |
Chassis fan power | J18 | SCSI interface LED | J101 |
PS/2 mouse interface | J19 | 32-bit PCI slots | PC1 – PC5 |
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 64 | None |
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 64 | None |
16MB | None | None | (1) 1M x 64 | (1) 1M x 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 64 | (1) 1M x 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 64 | None |
32MB | None | None | (1) 2M x 64 | (1) 2M x 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 64 | (1) 4M x 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 64 | (1) 4M x 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 36 | None | None |
64MB | (2) 4M x 36 | None | None | (1) 4M x 64 |
64MB | None | None | (1) 8M x 64 | None |
64MB | None | None | (1) 4M x 64 | (1) 4M x 64 |
72MB | (2) 8M x 36 | None | None | (1) 1M x 64 |
72MB | (2) 8M x 36 | (2) 1M x 36 | None | None |
72MB | None | None | (1) 1M x 64 | (1) 8M x 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 36 | None | None |
80MB | None | None | (1) 2M x 64 | (1) 8M x 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 36 | None | None |
96MB | None | None | (1) 4M x 64 | (1) 8M x 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 36 | None | None |
128MB | (2) 16M x 36 | None | None | None |
128MB | None | None | (1) 8M x 64 | (1) 8M x 64 |
136MB | (2) 16M x 36 | (2) 1M x 36 | None | None |
144MB | (2) 16M x 36 | (2) 2M x 36 | None | None |
160MB | (2) 16M x 36 | (2) 4M x 36 | None | None |
192MB | (2) 16M x 36 | (2) 8M x 36 | None | None |
256MB | (2) 16M x 36 | (2) 16M x 36 | None | None |
256MB | None | None | (1) 16M x 64 | (1) 16M x 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 speed | Clock speed | Multiplier | JP4 | JP5 | JP6 | JP7 | JP8 | JP60 |
150MHz | 50MHz | 2x | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | Open |
166MHz | 60MHz | 2x | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | Open |
Note: Pins designated should be in the closed position. |
CPU SPEED SELECTION (AMD) | ||||||||
CPU speed | Clock speed | Multiplier | JP4 | JP5 | JP6 | JP7 | JP8 | JP60 |
75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | Open |
90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | Open |
100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | Open |
120MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | Open |
133MHz | 66MHz | 2x | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | Open |
166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | Open |
200MHz | 66MHz | 3x | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | Open |
233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 |
Note: Pins designated should be in the closed position. |
CPU SPEED SELECTION (INTEL) | ||||||||
CPU speed | Clock speed | Multiplier | JP4 | JP5 | JP6 | JP7 | JP8 | JP60 |
75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | Open |
90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | Open |
100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | Open |
120MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | Open |
133MHz | 66MHz | 2x | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | Open |
150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | Open |
166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | Open |
180MHz | 60MHz | 3x | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | Open |
200MHz | 66MHz | 3x | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | Open |
233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | Open |
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 233MHz | Closed | Open | Open | Open | Open | Closed | Open | Open |
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 |