TYAN COMPUTER CORPORATION S1668 (REV. 1.2) Processor Pentium Pro Processor Speed 150/166/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard Memory 1GB (EDO supported) Maximum Video Memory None Cache 256/512KB (located on Pentium Pro CPU) 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), IR connectors (2), VRM connectors (2), USB connectors (2), soft on power switch NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Turbo LED J42 Parallel port CN2 Speaker J43 PS/2 mouse port CN3 Power LED & keylock J44 Serial port 2 CN4 Reset switch J45 IDE interface 2 CN5 IDE interface LED J46 IDE interface 1 CN6 Turbo switch J47 Floppy drive interface CN7 Chassis fan power J49 IR connector CON4 Chassis fan power J50 IR connector CON5 32-bit PCI slots PC1 - PC5 Soft on power switch J1 VRM connector VRM0 USB connector 1 J18 VRM connector VRM1 USB connector 2 J25 USER CONFIGURABLE SETTINGS Function Label Position SMC I/O chip type select 665IR J26 Pins 1 & 2 closed SMC I/O chip type select 669IR J26 Pins 2 & 3 closed » Factory configured - do not J30 Unidentified alter » Factory configured - do not J31 Unidentified alter » Flash BIOS voltage select 5v J32 Pins 1 & 2 closed Flash BIOS voltage select 12v J32 Pins 2 & 3 closed » CMOS memory normal operation J41 Open CMOS memory clear J41 Closed » Factory configured - do not J48 Unidentified alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 8MB (2) 1M x 32 None None 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) 1M x 32 (2) 1M x 32 (2) 1M x 32 (2) 1M x 32 32MB (2) 4M x 32 None None None 64MB (2) 4M x 32 (2) 4M x 32 None None 64MB (2) 8M x 32 None None None 128MB (2) 16M x 32 None None None 128MB (2) 4M x 32 (2) 4M x 32 (2) 4M x 32 (2) 4M x 32 128MB (2) 8M x 32 (2) 8M x 32 None None 192MB (2) 8M x 32 (2) 8M x 32 (2) 8M x 32 None 256MB (2) 8M x 32 (2) 8M x 32 (2) 8M x 32 (2) 8M x 32 256MB (2) 16M x 32 (2) 16M x 32 None None 256MB (2) 32M x 32 None None None DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 384MB (2) 16M x 32 (2) 16M x 32 (2) 16M x 32 None 512MB (2) 16M x 32 (2) 16M x 32 (2) 16M x 32 (2) 16M x 32 512MB (2) 32M x 32 (2) 32M x 32 None None 640MB (2) 32M x 32 (2) 16M x 32 (2) 16M x 32 (2) 16M x 32 768MB (2) 32M x 32 (2) 32M x 32 (2) 32M x 32 None 768MB (2) 32M x 32 (2) 32M x 32 (2) 16M x 32 (2) 16M x 32 832MB (2) 32M x 32 (2) 32M x 32 (2) 32M x 32 (2) 8M x 32 896MB (2) 32M x 32 (2) 32M x 32 (2) 32M x 32 (2) 16M x 32 1024MB (2) 32M x 32 (2) 32M x 32 (2) 32M x 32 (2) 32M x 32 Note: Board accepts EDO memory. DRAM VOLTAGE SELECTION Voltage J2 J3 J4 J5 J14 J15 J16 J17 3.3v Closed Closed Open Open Closed Closed Open Open » 5v Open Open Closed Closed Open Open Closed Closed CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium Pro CPU. CPU SPEED SELECTION CPU J11 J12 J21 J22 J23 J24 J27 speed 150MHz Closed Open Open Closed Closed Closed 3 & 4 166MHz Open Closed Open Closed Closed Closed 1 & 2 180MHz Closed Open Closed Open Closed Closed 3 & 4 200MHz Open Closed Closed Open Closed Closed 1 & 2 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage J10 J20 » Auto select Open Open 2.1v 1 & 5 1 & 5 2.2v 2 & 6 2 & 6 2.3v 1 & 5, 2 & 6 1 & 5, 2 & 6 2.4v 3 & 7 3 & 7 2.5v 1 & 5, 3 & 7 1 & 5, 3 & 7 2.6v 2 & 6, 3 & 7 2 & 6, 3 & 7 2.7v 1 & 5, 2 & 6, 3 & 7 1 & 5, 2 & 6, 3 & 7 2.8v 4 & 8 4 & 8 2.9v 1 & 5, 4 & 8 1 & 5, 4 & 8 3.0v 2 & 6, 4 & 8 2 & 6, 4 & 8 3.1v 1 & 5, 2 & 6, 4 & 8 1 & 5, 2 & 6, 4 & 8 3.2v 3 & 7, 4 & 8 3 & 7, 4 & 8 3.3v 1 & 5, 3 & 7, 4 & 8 1 & 5, 3 & 7, 4 & 8 3.4v 2 & 6, 3 & 7, 4 & 8 2 & 6, 3 & 7, 4 & 8 3.5v 1 & 5, 2 & 6, 3 & 1 & 5, 2 & 6, 3 & 7, 4 & 8 7, 4 & 8 Note: Pins designated should be in the closed position. SERIAL PORT SELECTION Setting J28 J29 » Used and COM 1 or 2 Pins 1 & 2 closed Pins 1 & 2 closed Used as IR connector Pins 2 & 3 closed Pins 2 & 3 closed