TYAN COMPUTER CORPORATION
S1472
| Processor | CX M1/SGS/IBM/Pentium | 
| Processor Speed | 75/90/100/120/133/150/166/200MHz | 
| Chip Set | Intel | 
| Video Chip Set | None | 
| Maximum Onboard Memory | 128MB (EDO 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 port, serial ports (2), cache slot, IR connectors (2), USB connectors (2), ATX power connector | 
| NPU Options | None | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| ATX power connector | ATX | IDE interface LED | J47 | 
| Serial port 1 | CN1 | Speaker | J48 | 
| Parallel port | CN2 | Reset switch | J49 | 
| PS/2 mouse port | CN3 | Turbo switch | J50 | 
| Serial port 2 | CN4 | Turbo LED | J51 | 
| Floppy drive interface | CN5 | Power LED & keylock | J52 | 
| IDE interface 2 | CN6 | 32-bit PCI slots | PC1 - PC5 | 
| IDE interface 1 | CN7 | Cache slot | SL1 | 
| IR connector | CON4 | USB connector 1 | USB1 | 
| IR connector | CON10 | USB connector 2 | USB2 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| » | Factory configured - do not alter | J10 | Unidentified | 
| » | Factory configured - do not alter | J11 | Unidentified | 
| ATX power on | J20 | Open | |
| ATX power off | J20 | Closed | |
| » | Factory configured - do not alter | J26 | Unidentified | 
| » | Factory configured - do not alter | J32 | Unidentified | 
| » | Factory configured - do not alter | J37 | Unidentified | 
| » | CMOS memory normal operation | J38 | Open | 
| CMOS memory clear | J38 | Closed | |
| » | Factory configured - do not alter | J46 | Pins 1 & 2 closed | 
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 8MB | (2) 1M x 32 | None | None | None | 
| 8MB | None | None | (1) 1M x 64 | None | 
| 16MB | None | None | (1) 2M x 64 | None | 
| 16MB | (2) 2M x 32 | None | None | None | 
| 16MB | (2) 1M x 32 | (2) 1M x 32 | None | None | 
| 32MB | (2) 2M x 32 | (2) 2M x 32 | None | None | 
| 32MB | (2) 4M x 32 | None | None | None | 
| 32MB | None | None | (1) 4M x 64 | None | 
| 64MB | (2) 8M x 32 | None | None | None | 
| 64MB | (2) 4M x 32 | (2) 4M x 32 | None | None | 
| 64MB | (2) 4M x 32 | None | None | (1) 4M x 64 | 
| 64MB | None | None | (1) 4M x 64 | (1) 4M x 64 | 
| 96MB | (2) 8M x 32 | (2) 4M x 32 | None | None | 
| 96MB | (2) 8M x 32 | None | None | (1) 4M x 64 | 
| 128MB | (2) 8M x 32 | (2) 8M x 32 | None | None | 
| Note: Board accepts EDO memory. | ||||
| DRAM VOLTAGE CONFIGURATION | ||||||||
| Voltage | J3 | J4 | J5 | J27 | J28 | J29 | J30 | |
| 3.3v | Closed | Closed | Closed | Open | Open | Open | Open | |
| » | 5v | Open | Open | Open | Closed | Closed | Closed | Closed | 
| CACHE CONFIGURATION | |||
| Size | Bank 0 | SL1 | TAG | 
| 256KB | (2) 32K x 32 | Not installed | Unidentified | 
| 512KB | (2) 32K x 32 | 256KB module installed | Unidentified | 
| CACHE JUMPER CONFIGURATION | |
| Size | J7 | 
| 256KB | Pins 2 & 3 closed | 
| 512KB | Pins 1 & 2 closed | 
| CACHE TAG CONFIGURATION | |
| Setting | J8 | 
| TAG enabled | Closed | 
| TAG disabled | Open | 
| Note: Jumper only used if COAST module is installed. | |
| CPU SPEED SELECTION (CYRIX/SGS/IBM) | |||||
| CPU speed | Clock speed | Multiplier | J21 | J22 | J31 | 
| 120MHz | 50MHz | 2x | Closed | Open | 1 & 2, 3 & 4 | 
| 150MHz | 60MHz | 2x | Closed | Open | 3 & 4 | 
| 166MHz | 66MHz | 2x | Closed | Open | 1 & 2 | 
| Note: Pins designated should be in the closed position. | |||||
| CPU SPEED SELECTION (INTEL) | |||||
| CPU speed | Clock speed | Multiplier | J21 | J22 | J31 | 
| 75MHz | 50MHz | 1.5x | Open | Open | 1 & 2, 3 & 4 | 
| 90MHz | 60MHz | 1.5x | Open | Open | 3 & 4 | 
| 100MHz | 66MHz | 1.5x | Open | Open | 1 & 2 | 
| 120MHz | 60MHz | 2x | Closed | Open | 3 & 4 | 
| 133MHz | 66MHz | 2x | Closed | Open | 1 & 2 | 
| 150MHz | 60MHz | 2.5x | Closed | Closed | 3 & 4 | 
| 166MHz | 66MHz | 2.5x | Closed | Closed | 1 & 2 | 
| 200MHz | 66MHz | 3x | Open | Closed | 1 & 2 | 
| Note: Pins designated should be in the closed position. | |||||
| CPU VOLTAGE SELECTION (P55C ONLY) | ||||||||
| Voltage | J14 | J15 | J16 | J17 | J18 | J19 | J54 | J55 | 
| 2.6v | Open | Open | Closed | Open | Open | Open | Closed | Closed | 
| 2.8v | Open | Open | Open | Closed | Open | Open | Closed | Closed | 
| 3v | Open | Closed | Open | Open | Open | Open | Closed | Closed | 
| POWER SUPPLY SELECTION | ||||||
| Setting | J14 | J15 | J16 | J17 | J18 | |
| » | ATX | Closed | Open | Open | Open | Closed | 
| AT | Closed | Open | Open | Open | Closed | |
| POWER SUPPLY SELECTION (CON’T) | ||||||
| Setting | J19 | J33 | J53 | J54 | J55 | |
| » | ATX | Closed | Open | Open | Open | Open | 
| AT | Closed | Closed | Closed | Open | Closed | |
| SERIAL PORT SELECTION | ||
| Setting | J24 | J25 | 
| Used as serial port | Pins 1 & 2 closed | Pins 1 & 2 closed | 
| Used as IR connector | Pins 2 & 3 closed | Pins 2 & 3 closed |