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 |