TYAN COMPUTER CORPORATION
S1571
Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium
Processor Speed 75/90/100/120/133/150/166/200/233MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS AMI, 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 connectors (2),
USB connectors (2)
NPU Options None
[Image]
CONNECTIONS
Purpose Location Purpose Location
Serial port 1 CN1 IR connector JP17/pins 6 -
9
Serial port 2 CN2 IDE interface LED JP17/pins 13 &
1 14
Floppy drive CN3 IDE interface LED JP17/pins 15 &
interface 2 16
Parallel port CN4 Power LED JP17/pins 18 -
20
IDE interface 2 CN5 Reset switch JP17/pins 22 &
23
IDE interface 1 CN6 Speaker JP17/pins 24 -
27
PS/2 mouse CN7 Turbo LED JP24
interface
Chassis fan power FAN1 Turbo switch JP25
Chassis fan power FAN2 Keylock JP26/pins 4 &
5
Chassis fan power FAN3 32-bit PCI slots PC1 – PC5
IR connector IR1 USB connector 1 USB1
Green PC JP17/pins 3 & USB connector 2 USB2
connector 4
USER CONFIGURABLE SETTINGS
Function Label Position
» Factory configured - do not J22 Unidentified
alter
» Factory configured - do not J23 Unidentified
alter
» Factory configured - do not JP21 Unidentified
alter
» CMOS memory normal operation JP22 Pins 1 & 2 closed
CMOS memory clear JP22 Pins 2 & 3 closed
Flash BIOS voltage select 12v JP23 Pins 2 & 3 closed
Flash BIOS voltage select 5v JP23 Pins 1 & 2 closed
SIMM CONFIGURATION
Size Bank 0 Bank 1 Bank 2
8MB (2) 1M x36 None None
16MB (2) 2M x36 None None
16MB (2) 1M x36 (2) 1M x36 None
24MB (2) 2M x36 (2) 1M x36 None
24MB (2) 1M x36 (2) 1M x36 (2) 1M x36
32MB (2) 4M x36 None None
32MB (2) 2M x36 (2) 1M x36 (2) 1M x36
32MB (2) 2M x36 (2) 2M x36 None
40MB (2) 4M x36 (2) 1M x36 None
SIMM CONFIGURATION (CON’T)
Size Bank 0 Bank 1 Bank 2
40MB (2) 2M x36 (2) 2M x32 (2) 1M x36
48MB (2) 4M x36 (2) 1M x36 (2) 1M x36
48MB (2) 4M x36 (2) 2M x36 None
48MB (2) 2M x36 (2) 2M x36 (2) 2M x36
56MB (2) 4M x36 (2) 2M x36 (2) 1M x36
64MB (2) 8M x36 None None
64MB (2) 4M x36 (2) 2M x36 (2) 2M x36
64MB (2) 4M x36 (2) 4M x36 None
80MB (2) 8M x36 (2) 1M x36 (2) 1M x36
80MB (2) 8M x36 (2) 2M x32 None
80MB (2) 4M x36 (2) 4M x36 (2) 2M x36
88MB (2) 8M x36 (2) 2M x32 (2) 1M x36
96MB (2) 8M x36 (2) 2M x36 (2) 2M x36
96MB (2) 8M x36 (2) 4M x36 None
96MB (2) 4M x36 (2) 4M x36 (2) 4M x36
104MB (2) 8M x36 (2) 4M x36 (2) 1M x36
112MB (2) 8M x36 (2) 4M x36 (2) 2M x36
128MB (2) 16M x36 None None
128MB (2) 8M x36 (2) 4M x36 (2) 4M x36
128MB (2) 8M x36 (2) 8M x36 None
136MB (2) 16M x36 (2) 1M x36 None
144MB (2) 16M x36 (2) 2M x32 None
144MB (2) 8M x36 (2) 8M x36 (2) 2M x36
152MB (2) 16M x36 (2) 2M x36 (2) 1M x36
160MB (2) 16M x36 (2) 2M x36 (2) 2M x36
160MB (2) 16M x36 (2) 4M x36 None
160MB (2) 8M x36 (2) 8M x36 (2) 4M x36
176MB (2) 16M x36 (2) 4M x36 (2) 2M x36
192MB (2) 16M x36 (2) 4M x36 (2) 4M x36
192MB (2) 16M x36 (2) 8M x36 None
192MB (2) 8M x36 (2) 8M x36 (2) 8M x36
200MB (2) 16M x36 (2) 8M x36 (2) 1M x36
208MB (2) 16M x36 (2) 8M x36 (2) 2M x36
224MB (2) 16M x36 (2) 8M x36 (2) 4M x36
256MB (2) 16M x36 (2) 8M x36 (2) 8M x36
Note: Board accepts EDO memory.
DIMM CONFIGURATION
Size Bank 3 Bank 4
8MB (2) 1M x32 None
16MB (2) 2M x32 None
16MB (2) 1M x32 (2) 1M x32
24MB (2) 2M x32 (2) 1M x32
32MB (2) 4M x36 None
32MB (2) 2M x32 (2) 2M x32
40MB (2) 4M x36 (2) 1M x32
48MB (2) 4M x36 (2) 2M x32
64MB (2) 8M x36 None
64MB (2) 4M x36 (2) 4M x36
72MB (2) 8M x36 (2) 1M x32
80MB (2) 8M x36 (2) 2M x32
96MB (2) 8M x36 (2) 4M x36
128MB (2) 16M x36 None
128MB (2) 8M x36 (2) 8M x36
136MB (2) 16M x36 (2) 1M x32
144MB (2) 16M x36 (2) 2M x32
160MB (2) 16M x36 (2) 4M x36
192MB (2) 16M x36 (2) 8M x36
256MB (2) 16M x36 (2) 16M x36
Note: Board accepts SDRAM memory.
SIMM VOLTAGE CONFIGURATION
Voltage JP1 JP2 JP7 JP8
3v Open Open Closed Closed
5v Closed Closed Open Open
DIMM VOLTAGE CONFIGURATION
Voltage JP3 JP4 JP5 JP6
3v Open Open Closed Closed
5v Closed Closed Open Open
CACHE CONFIGURATION
Size Bank 0
512KB (2) 64K x 32
CPU SPEED SELECTION (CX 6X86)
CPU Clock Multiplier BF0 BF1 BF2 JP9 JP10 JP15
speed speed
120MHz 50MHz 2x Closed Open Open 1 & Closed 1 &
2, 2
3 &
4
133MHz 55MHz 2x Closed Open Open 1 & Open 1 &
2, 2
3 &
4
150MHz 60MHz 2x Closed Open Open 3 & Closed 1 &
4 2
166MHz 66MHz 2x Closed Open Open 1 & Closed 1 &
2 2
200MHz 75MHz 2x Closed Open Open 3 & Open 1 &
4 2
Note: Pins designated should be in the closed position.
CPU SPEED SELECTION (CX 6X86L)
CPU Clock Multiplier BF0 BF1 BF2 JP9 JP10 JP15
speed speed
150MHz 60MHz 2x Closed Open Open 3 & Closed 1 &
4 2
166MHz 66MHz 2x Closed Open Open 1 & Closed 1 &
2 2
200MHz 75MHz 2x Closed Open Open 3 & Open 1 &
4 2
Note: Pins designated should be in the closed position.
CPU SPEED SELECTION (CX 6X86MX)
CPU Clock Multiplier BF0 BF1 BF2 JP9 JP10 JP15
speed speed
166MHz 60MHz 2x Closed Closed Open 3 & Closed 1 &
4 2
200MHz 66MHz 2x Closed Closed Open 1 & Closed 1 &
2 2
233MHz 75MHz 2x Closed Closed Open 3 & Open 1 &
4 2
Note: Pins designated should be in the closed position.
CPU SPEED SELECTION (AM K5)
CPU Clock Multiplier BF0 BF1 BF2 JP9 JP10 JP15
speed speed
90MHz 60MHz 1.5x Open Open Open 1 & Closed 1 &
2 2
100MHz 66MHz 1.5x Open Open Open 1 & Closed 1 &
2 2
120MHz 60MHz 2x Closed Open Open 3 & Closed 1 &
4 2
133MHz 66MHz 2x Closed Open Open 1 & Closed 1 &
2 2
166MHz 66MHz 2.5x Closed Closed Open 1 & Closed 1 &
2 2
Note: Pins designated should be in the closed position.
CPU SPEED SELECTION (AM K6)
CPU Clock Multiplier BF0 BF1 BF2 JP9 JP10 JP15
speed speed
166MHz 66MHz 2.5x Closed Closed Open 1 & Closed 1 &
2 2
200MHz 66MHz 3x Open Closed Open 1 & Closed 1 &
2 2
233MHz 66MHz 3.5x Open Open Open 1 & Closed 1 &
2 2
Note: Pins designated should be in the closed position.
CPU SPEED SELECTION (IDT C6)
CPU Clock Multiplier BF0 BF1 BF2 JP9 JP10 JP15
speed speed
150MHz 50MHz 3x Open Closed Open 1 & Closed 1 &
2, 2
3 &
4
180MHz 66MHz 3x Open Closed Open 3 & Closed 1 &
4 2
Note: Pins designated should be in the closed position.
CPU SPEED SELECTION (INTEL)
CPU Clock Multiplier BF0 BF1 BF2 JP9 JP10 JP15
speed speed
75MHz 50MHz 1.5x Open Open Open 1 & Closed 1 &
2, 2
3 &
4
90MHz 60MHz 1.5x Open Open Open 3 & Closed 1 &
4 2
100MHz 66MHz 1.5x Open Open Open 1 & Closed 1 &
2 2
120MHz 60MHz 2x Closed Open Open 3 & Closed 1 &
4 2
133MHz 66MHz 2x Closed Open Open 1 & Closed 1 &
2 2
150MHz 60MHz 2.5x Closed Closed Open 3 & Closed 1 &
4 2
166MHz 66MHz 2.5x Closed Closed Open 1 & Closed 1 &
2 2
200MHz 66MHz 3x Open Closed Open 1 & Closed 1 &
2 2
Note: Pins designated should be in the closed position.
CPU SPEED SELECTION (INTEL MMX)
CPU Clock Multiplier BF0 BF1 BF2 JP9 JP10 JP15
speed speed
166MHz 66MHz 2.5x Closed Closed Open 1 & Closed 1 &
2 2
200MHz 66MHz 3x Open Closed Open 1 & Closed 1 &
2 2
233MHz 66MHz 3.5x Open Open Open 1 & Closed 1 &
2 2
Note: Pins designated should be in the closed position.
CPU TYPE SELECTION
Type VIO
AM K5 Open
AM K6 Closed
CX 6X86 Closed
CX 6X86L Closed
CX 6X86MX Closed
IDT C6 Open
P54C Open
P55C Closed
CPU VOLTAGE SELECTION
Voltage VID0 VID1 VID2 VID3
2.0v Open Open Open Open
2.1v Open Open Open Closed
2.2v Open Open Closed Open
2.3v Open Open Closed Closed
2.4v Open Closed Open Open
2.5v Open Closed Open Closed
2.6v Open Closed Closed Open
2.7v Open Closed Closed Closed
2.8v Closed Open Open Open
2.9v Closed Open Open Closed
3.0v Closed Open Closed Open
3.1v Closed Open Closed Closed
3.2v Closed Closed Open Open
3.3v Closed Closed Open Closed
3.4v Closed Closed Closed Open
3.5v Closed Closed Closed Closed
SERIAL PORT SELECTION
Setting JP16 JP17
Used as serial port Pins 1 & 2 closed Pins 1 & 2 closed
Used as IR port Pins 2 & 3 closed Pins 2 & 3 closed