TYAN COMPUTER CORPORATION
S1471
| Device Type | Mainboard | 
| Processor | CX 6X86/IBM 6X86/SGS 6X86/CX M1/Pentium | 
| Processor Speed | 75/90/100/120/133/150/166/200MHz | 
| Chip Set | Intel | 
| Video Chip Set | None | 
| Maximum Onboard Memory | 128MB (EDO & SDRAM supported) | 
| Maximum Video Memory | None | 
| Cache | 256/512KB | 
| BIOS | AMI, Award | 
| Dimensions | 330mm x 218mm | 
| I/O Options | 32-bit PCI slots (5), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector (2), USB connectors (2) | 
| NPU Options | None | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Serial port 2 | CN1 | Reset switch | J41 | 
| Serial port 1 | CN2 | Speaker | J42 | 
| Floppy drive interface | CN3 | IDE interface LED | J43 | 
| Parallel port | CN4 | Power LED & keylock | J47 | 
| IDE interface 2 | CN5 | Turbo LED | J48 | 
| IDE interface 1 | CN6 | Turbo switch | J49 | 
| PS/2 mouse interface | CN7 | 32-bit PCI slots | PC1 – PC5 | 
| IR connector | CON9 | USB connector 1 | USB1 | 
| IR connector | CON10 | USB connector 2 | USB2 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| » | Factory configured - do not alter | J16 | Unidentified | 
| » | Factory configured - do not alter | J18 | Unidentified | 
| » | Factory configured - do not alter | J19 | Unidentified | 
| » | Factory configured - do not alter | J31 | Unidentified | 
| » | Factory configured - do not alter | J32 | Unidentified | 
| » | Factory configured - do not alter | J36 | Unidentified | 
| » | Factory configured - do not alter | J37 | Unidentified | 
| » | CMOS memory normal operation | J45 | Open | 
| CMOS memory clear | J45 | Closed | |
| » | Factory configured - do not alter | J46 | Unidentified | 
| » | Factory configured - do not alter | J50 | Pins 1 & 2 closed | 
| » | Factory configured - do not alter | JP4 | Unidentified | 
| » | Factory configured - do not alter | JP5 | Unidentified | 
| 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 | 
| SIMM CONFIGURATION (CON’T) | ||
| Size | Bank 0 | Bank 1 | 
| 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 | 
| 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) 8M x 64 | (1) 8M x 64 | 
| Note: Board accepts SDRAM memory. | ||
| DIMM VOLTAGE CONFIGURATION | ||||||
| Voltage | J3 | J5 | J6 | J7 | J8 | |
| 3.3v | Closed | Open | Closed | Open | Closed | |
| » | 5v | Open | Closed | Open | Closed | Open | 
| DIMM VOLTAGE CONFIGURATION (CON’T) | ||||||
| Voltage | J9 | J11 | JP1 | JP2 | JP3 | |
| 3.3v | Open | Open | 2 & 3 | 2 & 3 | 2 & 3 | |
| » | 5v | Closed | Closed | 1 & 2 | 1 & 2 | 1 & 2 | 
| Note: Pins designated should be in the closed position. | ||||||
| CACHE CONFIGURATION | ||
| Size | Bank 0 | TAG | 
| 256KB | (2) 32K x 32 | Unidentified | 
| 512KB | (2) 64K x 32 | Unidentified | 
| CPU SPEED SELECTION (CX 6X86) | |||||
| CPU speed | Clock speed | Multiplier | J15 | J39 | J40 | 
| 120MHz | 50MHz | 2x | 1 & 2, 3 & 4 | Open | Closed | 
| 150MHz | 60MHz | 2x | 3 & 4 | Open | Closed | 
| 166MHz | 66MHz | 2x | 1 & 2 | Open | Closed | 
| Note: Pins designated should be in the closed position. | |||||
| CPU SPEED SELECTION (IBM 6X86) | |||||
| CPU speed | Clock speed | Multiplier | J15 | J39 | J40 | 
| 120MHz | 50MHz | 2x | 1 & 2, 3 & 4 | Open | Closed | 
| 150MHz | 60MHz | 2x | 3 & 4 | Open | Closed | 
| 166MHz | 66MHz | 2x | 1 & 2 | Open | Closed | 
| Note: Pins designated should be in the closed position. | |||||
| CPU SPEED SELECTION (SGS 6X86) | |||||
| CPU speed | Clock speed | Multiplier | J15 | J39 | J40 | 
| 120MHz | 50MHz | 2x | 1 & 2, 3 & 4 | Open | Closed | 
| 150MHz | 60MHz | 2x | 3 & 4 | Open | Closed | 
| 166MHz | 66MHz | 2x | 1 & 2 | Open | Closed | 
| Note: Pins designated should be in the closed position. | |||||
| CPU SPEED SELECTION (CX M1) | |||||
| CPU speed | Clock speed | Multiplier | J15 | J39 | J40 | 
| 120MHz | 50MHz | 2x | 1 & 2, 3 & 4 | Open | Closed | 
| 150MHz | 60MHz | 2x | 3 & 4 | Open | Closed | 
| 166MHz | 66MHz | 2x | 1 & 2 | Open | Closed | 
| Note: Pins designated should be in the closed position. | |||||
| CPU SPEED SELECTION (INTEL) | |||||
| CPU speed | Clock speed | Multiplier | J15 | J39 | J40 | 
| 75MHz | 50MHz | 1.5x | 1 & 2, 3 & 4 | Open | Open | 
| 90MHz | 60MHz | 1.5x | 3 & 4 | Open | Open | 
| 100MHz | 66MHz | 1.5x | 1 & 2 | Open | Open | 
| 120MHz | 60MHz | 2x | 3 & 4 | Open | Closed | 
| 133MHz | 66MHz | 2x | 1 & 2 | Open | Closed | 
| 150MHz | 60MHz | 2.5x | 3 & 4 | Closed | Closed | 
| 166MHz | 66MHz | 2.5x | 1 & 2 | Closed | Closed | 
| 200MHz | 66MHz | 3x | 1 & 2 | Closed | Open | 
| Note: Pins designated should be in the closed position. | |||||
| CPU SPEED SELECTION (INTEL MMX) | |||||
| CPU speed | Clock speed | Multiplier | J15 | J39 | J40 | 
| 166MHz | 66MHz | 2.5x | 1 & 2 | Closed | Closed | 
| 200MHz | 66MHz | 3x | 1 & 2 | Closed | Open | 
| Note: Pins designated should be in the closed position. | |||||
| CPU TYPE SELECTION | |||||||
| Type | J20 | J21 | J22 | J23 | J24 | J35 | |
| Cyrix | Open | Closed | Open | Closed | Open | Open | |
| IBM | Open | Closed | Open | Closed | Open | Open | |
| SGS | Open | Closed | Open | Closed | Open | Open | |
| » | Intel | Closed | Open | Open | Open | Closed | Closed | 
| » | Intel MMX | Closed | Open | Open | Open | Closed | Closed | 
| SERIAL PORT SELECTION | ||
| Setting | J13 | J14 | 
| Used as serial port | Pins 1 & 2 closed | Pins 1 & 2 closed | 
| Used as IR connector | Pins 2 & 3 closed | Pins 2 & 3 closed |