TIGERSHARK Motherboard Settings and Configuration

Processor	Pentium
Processor Speed	75/90/100/120/133/150/166/180/200MHz
Chip Set	OPTI
Video Chip Set	None
Maximum Onboard Memory	256MB
Maximum Video Memory	None
Cache	256/512KB
BIOS	Award
Dimensions	Unidentified
I/O Options	Floppy drive interface, IDE interface, SCSI interface, green PC connector, parallel port, PS/2 mouse port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
IDE interface	J1	Reset switch	J10
Floppy drive interface	J2	Speaker	J11
Parallel port	J3	Chassis fan power	J13
Serial port 2	J4	Green PC connector	J16
Serial port 1	J5	PS/2 mouse port	J25
SCSI interface	J7	IDE interface LED	J27
Auxiliary keyboard connector	J8	External battery	J28

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	IDE IRQ14 enabled	J6	Closed
	IDE IRQ14 disabled	J6	Open
»	Factory configured - do not alter	J15	Open
»	Cache always invalidate	J17	Open
	Cache invalidate on write	J17	Closed
»	Factory configured - do not alter	J18	Pins 1 & 4, 2 & 3 closed
	Floppy drive select 1.2MB/1.44MB	J19	Pins 1 & 2 closed
	Floppy drive select 2.88MB	J19	Pins 3 & 4, 5 & 6 closed
»	Watch dog timer enabled	J21	Closed
	Watch dog timer disabled	J21	Open
»	Factory configured - do not alter	J23	Open
	Password enabled	J24	Closed
	Password disabled	J24	Open
»	CMOS memory normal operation	J29	Open
	CMOS memory clear	J29	Closed
	Mouse IRQ12 enabled	J30	Closed
	Mouse IRQ12 disabled	J30	Open

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

CACHE CONFIGURATION

Note: Board accepts 256KB/512KB cache. The location and chip sizes are unidentified.

CACHE JUMPER CONFIGURATION
Size	J9	J12
256KB	Pins 3 & 5, 4 & 6 closed	Open
512KB	Pins 1 & 3, 2 & 4 closed	Closed

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	J14	J22	J26	J32
75MHz	50MHz	1.5x	Open	Open	1 & 2	Open
90MHz	60MHz	1.5x	Open	1 & 2, 3 & 4	1 & 2	Open
100MHz	66MHz	1.5x	Open	1 & 2	1 & 2	Open
120MHz	60MHz	2x	1 & 2	1 & 2, 3 & 4	Open	Open
133MHz	66MHz	2x	1 & 2	1 & 2	Open	Open
150MHz	60MHz	2.5x	1 & 2	1 & 2, 3 & 4	Open	1 & 2
166MHz	66MHz	2.5x	1 & 2	1 & 2	Open	1 & 2
180MHz	60MHz	3x	Open	1 & 2, 3 & 4	Open	1 & 2
200MHz	66MHz	3x	Open	1 & 2	Open	1 & 2
Note: Pins designated should be in the closed position.

DMA CHANNEL SELECTION
Channel	J31
1	Pins 3 & 4, 7 & 8 closed
3	Pins 1 & 2, 5 & 6 closed

WATCH DOG TIMER/ISA BUS SELECTION
Setting		J33
»	IRQ11 for watch dog timer and ISA bus	Pins 1 & 3, 2 & 4 closed
	IRQ11 for watch dog timer only	Pins 1 & 3 closed
	IRQ11 for ISA bus only	Pins 3 & 4 closed