TYAN COMPUTER CORPORATION
S1846S (LA)
| 
 Device Type  | 
 Mainboard, Single board computer  | 
| 
 Processor  | 
 Pentium II/Celeron  | 
| 
 Processor Speed  | 
 233/266/300/333/350/400MHz  | 
| 
 Chip Set  | 
 Intel 440BX  | 
| 
 Maximum Onboard Memory  | 
 768MB (SDRAM supported)  | 
| 
 Audio Chip Set  | 
 Ensoniq ES1371  | 
| 
 Cache  | 
 0/128/256/512KB (located on the CPU)  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 305mm x 244mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (5), floppy drive interface, game/MIDI port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in - CD-ROM  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 AGP slot  | 
 AGP  | 
 Floppy drive interface  | 
 CN13  | 
| 
 ATX power connector  | 
 ATX  | 
 Wake on LAN connector  | 
 CON3  | 
| 
 Chassis fan power  | 
 C1  | 
 Chassis intrusion connector  | 
 J7  | 
| 
 Chassis fan power  | 
 C2  | 
 Soft off power supply  | 
 J8/pins 1 & 2  | 
| 
 Chassis fan power  | 
 C3  | 
 Green PC connector  | 
 J8/pins 3 & 4  | 
| 
 Game/MIDI port  | 
 CN1  | 
 IR connector  | 
 J8/pins 6 - 10  | 
| 
 Microphone in  | 
 CN2  | 
 IDE interface LED  | 
 J8/pins 13 - 16  | 
| 
 Line in  | 
 CN3  | 
 Power LED  | 
 J8/pins 18 & 20  | 
| 
 Line out  | 
 CN4  | 
 Reset switch  | 
 J8/pins 22 & 23  | 
| 
 Serial port 2  | 
 CN5  | 
 Speaker  | 
 J8/pins 24 - 27  | 
| 
 Serial port 1  | 
 CN6  | 
 MPEG connector  | 
 J9  | 
| 
 Parallel port  | 
 CN7  | 
 TDA connector  | 
 J10  | 
| 
 USB connector 1  | 
 CN8  | 
 Audio in - CD-ROM  | 
 J11  | 
| 
 USB connector 2  | 
 CN9  | 
 Video connector  | 
 J13  | 
| 
 PS/2 mouse port  | 
 CN10  | 
 Green PC connector  | 
 JP16  | 
| 
 IDE interface 2  | 
 CN11  | 
 32-bit PCI slots  | 
 PC1 - PC5  | 
| 
 IDE interface 1  | 
 CN12  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 CON2  | 
 Unidentified  | 
| 
 »  | 
 CMOS memory normal operation  | 
 JP2  | 
 Pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 JP2  | 
 Pins 2 & 3 closed  | |
| 
 On board sound enabled  | 
 JP17  | 
 Open  | |
| 
 On board sound disabled  | 
 JP17  | 
 Closed  | |
| 
 DIMM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 8MB  | 
 (1) 1M x 64  | 
 None  | 
 None  | 
| 
 16MB  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
 None  | 
| 
 16MB  | 
 (1) 2M x 64  | 
 None  | 
 None  | 
| 
 24MB  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
| 
 32MB  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
 None  | 
| 
 32MB  | 
 (1) 4M x 64  | 
 None  | 
 None  | 
| 
 48MB  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
| 
 64MB  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
 None  | 
| 
 64MB  | 
 (1) 8M x 64  | 
 None  | 
 None  | 
| 
 96MB  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
| 
 128MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 None  | 
| 
 128MB  | 
 (1) 16M x 64  | 
 None  | 
 None  | 
| 
 DIMM CONFIGURATION (CON'T)  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 164MB  | 
 (1) 16M x 64  | 
 (1) 1M x 64  | 
 None  | 
| 
 144MB  | 
 (1) 16M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
| 
 144MB  | 
 (1) 16M x 64  | 
 (1) 2M x 64  | 
 None  | 
| 
 160MB  | 
 (1) 16M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
| 
 160MB  | 
 (1) 16M x 64  | 
 (1) 4M x 64  | 
 None  | 
| 
 192MB  | 
 (1) 16M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
| 
 192MB  | 
 (1) 16M x 64  | 
 (1) 8M x 64  | 
 None  | 
| 
 192MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
| 
 256MB  | 
 (1) 16M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
| 
 256MB  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 None  | 
| 
 256MB  | 
 (1) 32M x 64  | 
 None  | 
 None  | 
| 
 264MB  | 
 (1) 32M x 64  | 
 (1) 1M x 64  | 
 None  | 
| 
 272MB  | 
 (1) 32M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
| 
 272MB  | 
 (1) 32M x 64  | 
 (1) 2M x 64  | 
 None  | 
| 
 288MB  | 
 (1) 32M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
| 
 288MB  | 
 (1) 32M x 64  | 
 (1) 4M x 64  | 
 None  | 
| 
 320MB  | 
 (1) 32M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
| 
 320MB  | 
 (1) 32M x 64  | 
 (1) 8M x 64  | 
 None  | 
| 
 384MB  | 
 (1) 32M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
| 
 384MB  | 
 (1) 32M x 64  | 
 (1) 16M x 64  | 
 None  | 
| 
 384MB  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
| 
 512MB  | 
 (1) 32M x 64  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
| 
 512MB  | 
 (1) 32M x 64  | 
 (1) 32M x 64  | 
 None  | 
| 
 768MB  | 
 (1) 32M x 64  | 
 (1) 32M x 64  | 
 (1) 32M x 64  | 
| 
 Note: Board accepts SDRAM memory.  | |||
| 
 CACHE CONFIGURATION  | 
| 
 Note: 256KB/512KB cache is located on the Pentium II CPU. 128KB cache is located on the Celeron 300A & 333 CPU.  | 
| 
 CPU SPEED SELECTION  | ||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP10  | 
 JP11  | 
 JP12  | 
 JP13  | 
| 
 233MHz  | 
 66MHz  | 
 3.5x  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 266MHz  | 
 66MHz  | 
 4x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 300MHz  | 
 66MHz  | 
 4.5x  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 300MHz  | 
 100MHz  | 
 3x  | 
 Closed  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 333MHz  | 
 66MHz  | 
 5x  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 350MHz  | 
 100MHz  | 
 3.5x  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 400MHz  | 
 100MHz  | 
 4x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 FLOPPY DRIVE/IR SELECTION  | |||
| 
 Setting  | 
 JP4  | 
 JP7  | 
 JP8  | 
| 
 2 floppy drives  | 
 Closed  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 1 floppy, 1 IR  | 
 Open  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  |