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# AST RESEARCH, INC.
BRAVO MT P/60 (230598-001)
Processor Pentium
Processor 60/66MHz
Speed
Chip Set AST
Max. Onboard 128MB
DRAM
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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J4 | Speaker | J34 |
|-------------------+----------+------------------+----------|
| External battery | J5 | IDE interface | J41 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Parallel port | J6 | Power LED | J42 |
| | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface | J7 | Reset switch | J43 |
|-------------------+----------+------------------+----------|
| Serial port 1 | J8 | Turbo switch | J45 |
| | | (not used) | |
|-------------------+----------+------------------+----------|
| Serial port 2 | J9 | Power LED & | J48 |
| | | keylock (not | |
| | | used) | |
|-------------------+----------+------------------+----------|
| Floppy drive | J10 | 32-bit VESA | SL1 & |
| interface | | Local bus slots | SL2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Factory configured - do | J13 | Open |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | J17 | Open |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Parallel port IRQ select | J18 | pins 1 & 2 |
| | IRQ7 | | closed |
|---+---------------------------+---------------+------------|
| | Parallel port IRQ select | J18 | pins 2 & 3 |
| | IRQ5 | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | J26 | Open |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | On board mouse enabled | J28 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | On board mouse disabled | J28 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | CMOS memory normal | J29 | pins 1 & 2 |
| | operation | | closed |
|---+---------------------------+---------------+------------|
| | CMOS memory clear | J29 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | Flash BIOS update enabled | J51 | Closed |
|---+---------------------------+---------------+------------|
| | Flash BIOS update | J51 | Open |
| | disabled | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/1 | Off |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Monitor type select color | SW1/2 | On |
|---+---------------------------+---------------+------------|
| | Monitor type select | SW1/2 | Off |
| | monochrome | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+