THRESHER Motherboard Settings and Configuration

I-BUS

THRESHER

Processor
Pentium Pro
Processor Speed
150/166/180/200MHz
Chip Set
Unidentified
Video Chip Set
None
Maximum Onboard Memory
512MB (EDO supported)
Maximum Video Memory
None
Cache
256/512KB (located on Pentium Pro CPU)
BIOS
Award
Dimensions
Unidentified
I/O Options
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VRM connector, USB connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
IDE interface LED
J1
Auxiliary keyboard connector
J9
IDE interface
J2
Reset switch
J10
Floppy drive interface
J3
USB connector
J11
Chassis fan power
J4
Speaker
J12
Parallel port
J5
External battery
J18
Serial port 1
J6
PS/2 mouse port
J19
Serial port 2
J7
VRM connector
VRM

USER CONFIGURABLE SETTINGS
Function
Label
Position

Flash BIOS write protect disabled
J8
Open

Flash BIOS write protect enabled
J8
Closed

On board speaker enabled
J12
Pins 1 & 2 closed

On board speaker disabled
J12
Open

External speaker enabled
J12
Closed
»
Factory configured - do not alter
J15
Unidentified

Watch dog timer enabled
J17
Closed

Watch dog timer disabled
J17
Open

On board speaker enabled
J18
Pins 3 & 4 closed

On board speaker disabled
J18
Open

External speaker enabled
J18
Closed
»
Factory configured - do not alter
J22
Unidentified

DRAM CONFIGURATION
Size
Bank 0
Bank 1
8MB
(2) 1M x 36
None
16MB
(2) 2M x 36
None
16MB
(2) 1M x 36
(2) 1M x 36
24MB
(2) 1M x 36
(2) 2M x 36
32MB
(2) 4M x 36
None
32MB
(2) 2M x 36
(2) 2M x 36
40MB
(2) 1M x 36
(2) 4M x 36
48MB
(2) 2M x 36
(2) 4M x 36
64MB
(2) 8M x 36
None
64MB
(2) 4M x 36
(2) 4M x 36
72MB
(2) 1M x 36
(2) 8M x 36
80MB
(2) 2M x 36
(2) 8M x 36
96MB
(2) 4M x 36
(2) 8M x 36
128MB
(2) 16M x 36
None
128MB
(2) 8M x 36
(2) 8M x 36
136MB
(2) 1M x 36
(2) 16M x 36
144MB
(2) 2M x 36
(2) 16M x 36
160MB
(2) 4M x 36
(2) 16M x 36
192MB
(2) 8M x 36
(2) 16M x 36
256MB
(2) 16M x 36
(2) 16M x 36
512MB
(2) 32M x 36
(2) 32M x 36
Note: Board accepts EDO memory.

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

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
J13
J14
J21
150MHz
60MHz
2.5x
1 & 3
2 & 4
3 & 4, 5 & 6, 7 & 8
166MHz
66MHz
2.5x
2 & 4
1 & 3
3 & 4, 5 & 6, 7 & 8
180MHz
60MHz
3x
1 & 3
2 & 4
1 & 2, 3 & 4, 7 & 8
200MHz
66MHz
3x
2 & 4
1 & 3
1 & 2, 3 & 4, 7 & 8
Note: Pins designated should be in the closed position.

WATCH DOG TIMER/ISA BUS SELECTION
Setting
J20
»
IRQ11 for ISA bus only
Pins 3 & 4 closed

IRQ11 for watch dog timer and ISA bus
Pins 1 & 3, 2 & 4 closed

IRQ11 for watch dog timer only
Pins 1 & 3 closed

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Processor	Pentium Pro
Processor Speed	150/166/180/200MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	512MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB (located on Pentium Pro CPU)
BIOS	Award
Dimensions	Unidentified
I/O Options	Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VRM connector, USB connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
IDE interface LED	J1	Auxiliary keyboard connector	J9
IDE interface	J2	Reset switch	J10
Floppy drive interface	J3	USB connector	J11
Chassis fan power	J4	Speaker	J12
Parallel port	J5	External battery	J18
Serial port 1	J6	PS/2 mouse port	J19
Serial port 2	J7	VRM connector	VRM

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Flash BIOS write protect disabled	J8	Open
	Flash BIOS write protect enabled	J8	Closed
	On board speaker enabled	J12	Pins 1 & 2 closed
	On board speaker disabled	J12	Open
	External speaker enabled	J12	Closed
»	Factory configured - do not alter	J15	Unidentified
	Watch dog timer enabled	J17	Closed
	Watch dog timer disabled	J17	Open
	On board speaker enabled	J18	Pins 3 & 4 closed
	On board speaker disabled	J18	Open
	External speaker enabled	J18	Closed
»	Factory configured - do not alter	J22	Unidentified

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
24MB	(2) 1M x 36	(2) 2M x 36
32MB	(2) 4M x 36	None
32MB	(2) 2M x 36	(2) 2M x 36
40MB	(2) 1M x 36	(2) 4M x 36
48MB	(2) 2M x 36	(2) 4M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
72MB	(2) 1M x 36	(2) 8M x 36
80MB	(2) 2M x 36	(2) 8M x 36
96MB	(2) 4M x 36	(2) 8M x 36
128MB	(2) 16M x 36	None
128MB	(2) 8M x 36	(2) 8M x 36
136MB	(2) 1M x 36	(2) 16M x 36
144MB	(2) 2M x 36	(2) 16M x 36
160MB	(2) 4M x 36	(2) 16M x 36
192MB	(2) 8M x 36	(2) 16M x 36
256MB	(2) 16M x 36	(2) 16M x 36
512MB	(2) 32M x 36	(2) 32M x 36
Note: Board accepts EDO memory.

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	J13	J14	J21
150MHz	60MHz	2.5x	1 & 3	2 & 4	3 & 4, 5 & 6, 7 & 8
166MHz	66MHz	2.5x	2 & 4	1 & 3	3 & 4, 5 & 6, 7 & 8
180MHz	60MHz	3x	1 & 3	2 & 4	1 & 2, 3 & 4, 7 & 8
200MHz	66MHz	3x	2 & 4	1 & 3	1 & 2, 3 & 4, 7 & 8
Note: Pins designated should be in the closed position.

WATCH DOG TIMER/ISA BUS SELECTION
Setting		J20
»	IRQ11 for ISA bus only	Pins 3 & 4 closed
	IRQ11 for watch dog timer and ISA bus	Pins 1 & 3, 2 & 4 closed
	IRQ11 for watch dog timer only	Pins 1 & 3 closed