BRAVO MT P/60 (230598-001) Motherboard Settings and Configuration

AST RESEARCH, INC.

BRAVO MT P/60 (230598-001)

Processor
Pentium
Processor Speed
60/66MHz
Chip Set
AST
Max. Onboard DRAM
128MB
Cache
256/512KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
32-bit VESA local bus slots (2), PS/2 mouse port, floppy drive interface, IDE interface, parallel port, serial ports (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
PS/2 mouse port
J4
Speaker
J34
External battery
J5
IDE interface LED
J41
Parallel port
J6
Power LED connector
J42
IDE interface
J7
Reset switch
J43
Serial port 1
J8
Turbo switch (not used)
J45
Serial port 2
J9
Power LED & keylock (not used)
J48
Floppy drive interface
J10
32-bit VESA Local bus slots
SL1 & SL2

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
Factory configured - do not alter
J13
Open
»
Factory configured - do not alter
J17
Open
»
Parallel port IRQ select IRQ7
J18
pins 1 & 2 closed

Parallel port IRQ select IRQ5
J18
pins 2 & 3 closed
»
Factory configured - do not alter
J26
Open
»
On board mouse enabled
J28
pins 1 & 2 closed

On board mouse disabled
J28
pins 2 & 3 closed
»
CMOS memory normal operation
J29
pins 1 & 2 closed

CMOS memory clear
J29
pins 2 & 3 closed
»
Flash BIOS update enabled
J51
Closed

Flash BIOS update disabled
J51
Open
»
Factory configured - do not alter
SW1/1
Off
»
Monitor type select color
SW1/2
On

Monitor type select monochrome
SW1/2
Off

SERIAL PORT CONFIGURATION
Port 1
Port 2
J19
J20
IRQ3
IRQ4
pins 2 & 3 closed
pins 2 & 3 closed
IRQ4
IRQ3
pins 1 & 2 closed
pins 1 & 2 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
2MB
(2) 256K x 36
NONE
4MB
(2) 256K x 36
(2) 256K x 36
8MB
(2) 1M x 36
NONE
16MB
(2) 1M x 36
(2) 1M x 36
32MB
(2) 4M x 36
NONE
64MB
(2) 4M x 36
(2) 4M x 36
64MB
(2) 8M x 36
NONE
128MB
(2) 8M x 36
(2) 8M x 36

CACHE CONFIGURATION
Size
Bank 0
Bank 1
256KB
(8) 32K x 8
NONE
512KB
(8) 32K x 8
(8) 32K x 8
Note: This system board may only support 256KB cache.

CACHE JUMPER CONFIGURATION
Size
J30
J31
J52
J53
J54
256KB
Open
Closed
1 & 2
1 & 2
1 & 2
512KB
Closed
Closed
2 & 3
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed
J38
60MHz
pins 1 & 2, 5 & 6 closed
66MHz
pins 3 & 4 closed

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BRAVO MT P/60 (230598-001) Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	60/66MHz
Chip Set	AST
Max. Onboard DRAM	128MB
Cache	256/512KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2), PS/2 mouse port, floppy drive interface, IDE interface, parallel port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
PS/2 mouse port	J4	Speaker	J34
External battery	J5	IDE interface LED	J41
Parallel port	J6	Power LED connector	J42
IDE interface	J7	Reset switch	J43
Serial port 1	J8	Turbo switch (not used)	J45
Serial port 2	J9	Power LED & keylock (not used)	J48
Floppy drive interface	J10	32-bit VESA Local bus slots	SL1 & SL2

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Factory configured - do not alter	J13	Open
»	Factory configured - do not alter	J17	Open
»	Parallel port IRQ select IRQ7	J18	pins 1 & 2 closed
	Parallel port IRQ select IRQ5	J18	pins 2 & 3 closed
»	Factory configured - do not alter	J26	Open
»	On board mouse enabled	J28	pins 1 & 2 closed
	On board mouse disabled	J28	pins 2 & 3 closed
»	CMOS memory normal operation	J29	pins 1 & 2 closed
	CMOS memory clear	J29	pins 2 & 3 closed
»	Flash BIOS update enabled	J51	Closed
	Flash BIOS update disabled	J51	Open
»	Factory configured - do not alter	SW1/1	Off
»	Monitor type select color	SW1/2	On
	Monitor type select monochrome	SW1/2	Off

SERIAL PORT CONFIGURATION
Port 1	Port 2	J19	J20
IRQ3	IRQ4	pins 2 & 3 closed	pins 2 & 3 closed
IRQ4	IRQ3	pins 1 & 2 closed	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
2MB	(2) 256K x 36	NONE
4MB	(2) 256K x 36	(2) 256K x 36
8MB	(2) 1M x 36	NONE
16MB	(2) 1M x 36	(2) 1M x 36
32MB	(2) 4M x 36	NONE
64MB	(2) 4M x 36	(2) 4M x 36
64MB	(2) 8M x 36	NONE
128MB	(2) 8M x 36	(2) 8M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1
256KB	(8) 32K x 8	NONE
512KB	(8) 32K x 8	(8) 32K x 8
Note: This system board may only support 256KB cache.

CACHE JUMPER CONFIGURATION
Size	J30	J31	J52	J53	J54
256KB	Open	Closed	1 & 2	1 & 2	1 & 2
512KB	Closed	Closed	2 & 3	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed	J38
60MHz	pins 1 & 2, 5 & 6 closed
66MHz	pins 3 & 4 closed