S1672 Motherboard Settings and Configuration

TYAN COMPUTER CORPORATION

S1672

Processor
Pentium Pro
Processor Speed
150/166/180/200MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
768MB (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 (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, soft on power supply
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
ATX power connector
ATX
Soft on power supply
J26 pins 1 & 2
Serial port 1
CN1
IR connector
J26 pins 6 - 11
Parallel port
CN2
IDE interface LED
J26 pins 15 & 16
PS/2 mouse port
CN3
Power LED
J26 pins 18 & 20
Serial port 2
CN4
Reset switch
J26 pins 22 & 23
Floppy drive interface
CN5
Speaker
J26 pins 24 - 27
IDE interface 1
CN6
Keylock
JP1
IDE interface 2
CN7
32-bit PCI slots
PC1 - PC4
IR connector
CON7
USB connector
USB1
Chassis fan power
J14
USB connector
USB2

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Power supply select ATX
J4
Open

Power supply select AT
J4
Closed

SMC I/O chip type select 665IR
J10
Pins 1 & 2 closed

SMC I/O chip type select 669IR
J10
Pins 2 & 3 closed
»
Factory configured - do not alter
J21
Unidentified
»
Factory configured - do not alter
J28
Unidentified
»
Factory configured - do not alter
J29
Unidentified
»
CMOS memory normal operation
J42
Open

CMOS memory clear
J42
Closed
»
Flash BIOS voltage select 5v
J43
Pins 1 & 2 closed

Flash BIOS voltage select 12v
J43
Pins 2 & 3 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
8MB
(2) 1M x 32
None
None
16MB
(2) 2M x 32
None
None
16MB
(2) 1M x 32
(2) 1M x 32
None
32MB
(2) 4M x 32
None
None
32MB
(2) 2M x 32
(2) 2M x 32
None
64MB
(2) 8M x 32
None
None
64MB
(2) 4M x 32
(2) 4M x 32
None
128MB
(2) 8M x 32
(2) 8M x 32
None
128MB
(2) 16M x 32
None
None
192MB
(2) 8M x 32
(2) 8M x 32
(2) 8M x 32
256MB
(2) 16M x 32
(2) 16M x 32
None
256MB
(2) 32M x 32
None
None
384MB
(2) 16M x 32
(2) 16M x 32
(2) 16M x 32
512MB
(2) 32M x 32
(2) 32M x 32
None
768MB
(2) 32M x 32
(2) 32M x 32
(2) 32M x 32
Note: Board accepts EDO memory.

CACHE CONFIGURATION
Note: 256KB/512KB cache is located on the Pentium Pro CPU.

CPU SPEED SELECTION
Speed
J6
J19
J20
J30
J31
J32
J33
150MHz
3 & 4
Closed
Open
Closed
Closed
Closed
Open
166MHz
1 & 2
Open
Closed
Closed
Closed
Closed
Open
180MHz
3 & 4
Closed
Open
Closed
Closed
Open
Closed
200MHz
1 & 2
Open
Closed
Closed
Closed
Open
Closed

CPU VOLTAGE SELECTION
Voltage
J23
»
Auto select
Open

2.1v
1 & 5

2.2v
2 & 6

2.3v
1 & 5, 2 & 6

2.4v
3 & 7

2.5v
1 & 5, 3 & 7

2.6v
2 & 6, 3 & 7

2.7v
1 & 5, 2 & 6, 3 & 7

2.8v
4 & 8

2.9v
1 & 5, 4 & 8

3.0v
2 & 6, 4 & 8

3.1v
1 & 5, 2 & 6, 4 & 8

3.2v
3 & 7, 4 & 8

3.3v
1 & 5, 3 & 7, 4 & 8

3.4v
2 & 6, 3 & 7, 4 & 8

3.5v
1 & 5, 2 & 6, 3 & 7, 4 & 8
Note: Pins designated should be in the closed position.

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S1672 Motherboard Settings and Configuration

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Processor	Pentium Pro
Processor Speed	150/166/180/200MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	768MB (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 (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, soft on power supply
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	Soft on power supply	J26 pins 1 & 2
Serial port 1	CN1	IR connector	J26 pins 6 - 11
Parallel port	CN2	IDE interface LED	J26 pins 15 & 16
PS/2 mouse port	CN3	Power LED	J26 pins 18 & 20
Serial port 2	CN4	Reset switch	J26 pins 22 & 23
Floppy drive interface	CN5	Speaker	J26 pins 24 - 27
IDE interface 1	CN6	Keylock	JP1
IDE interface 2	CN7	32-bit PCI slots	PC1 - PC4
IR connector	CON7	USB connector	USB1
Chassis fan power	J14	USB connector	USB2

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Power supply select ATX	J4	Open
	Power supply select AT	J4	Closed
	SMC I/O chip type select 665IR	J10	Pins 1 & 2 closed
	SMC I/O chip type select 669IR	J10	Pins 2 & 3 closed
»	Factory configured - do not alter	J21	Unidentified
»	Factory configured - do not alter	J28	Unidentified
»	Factory configured - do not alter	J29	Unidentified
»	CMOS memory normal operation	J42	Open
	CMOS memory clear	J42	Closed
»	Flash BIOS voltage select 5v	J43	Pins 1 & 2 closed
	Flash BIOS voltage select 12v	J43	Pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
8MB	(2) 1M x 32	None	None
16MB	(2) 2M x 32	None	None
16MB	(2) 1M x 32	(2) 1M x 32	None
32MB	(2) 4M x 32	None	None
32MB	(2) 2M x 32	(2) 2M x 32	None
64MB	(2) 8M x 32	None	None
64MB	(2) 4M x 32	(2) 4M x 32	None
128MB	(2) 8M x 32	(2) 8M x 32	None
128MB	(2) 16M x 32	None	None
192MB	(2) 8M x 32	(2) 8M x 32	(2) 8M x 32
256MB	(2) 16M x 32	(2) 16M x 32	None
256MB	(2) 32M x 32	None	None
384MB	(2) 16M x 32	(2) 16M x 32	(2) 16M x 32
512MB	(2) 32M x 32	(2) 32M x 32	None
768MB	(2) 32M x 32	(2) 32M x 32	(2) 32M x 32
Note: Board accepts EDO memory.

CPU SPEED SELECTION
Speed	J6	J19	J20	J30	J31	J32	J33
150MHz	3 & 4	Closed	Open	Closed	Closed	Closed	Open
166MHz	1 & 2	Open	Closed	Closed	Closed	Closed	Open
180MHz	3 & 4	Closed	Open	Closed	Closed	Open	Closed
200MHz	1 & 2	Open	Closed	Closed	Closed	Open	Closed

CPU VOLTAGE SELECTION
Voltage		J23
»	Auto select	Open
	2.1v	1 & 5
	2.2v	2 & 6
	2.3v	1 & 5, 2 & 6
	2.4v	3 & 7
	2.5v	1 & 5, 3 & 7
	2.6v	2 & 6, 3 & 7
	2.7v	1 & 5, 2 & 6, 3 & 7
	2.8v	4 & 8
	2.9v	1 & 5, 4 & 8
	3.0v	2 & 6, 4 & 8
	3.1v	1 & 5, 2 & 6, 4 & 8
	3.2v	3 & 7, 4 & 8
	3.3v	1 & 5, 3 & 7, 4 & 8
	3.4v	2 & 6, 3 & 7, 4 & 8
	3.5v	1 & 5, 2 & 6, 3 & 7, 4 & 8
Note: Pins designated should be in the closed position.