AST RESEARCH, INC.
Bravo/286 (202286-002, 202354-001)
|
Processor |
80286 |
|
Processor Speed |
8MHz |
|
Chip Set |
AST |
|
Max. Onboard DRAM |
4MB |
|
SRAM Cache |
None |
|
BIOS |
AST |
|
Dimensions |
286mm x 190mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, serial port |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Parallel port |
CN1 |
Power LED |
J10 |
|
Serial port 1 (COM1) |
CN2 |
IDE interface LED |
J11 |
|
IDE interface |
J8 |
Riser card |
S1 |
|
Floppy drive interface |
J9 |
Reset switch |
SW1 |
|
Note:Connector J11 is only present on part number 202354-001. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
E1 |
open | |
|
Factory configured - do not alter |
E2 |
open | |
|
Monitor type select color |
SW2 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
SW2 |
pins 2 & 3 closed | |
|
Factory configured - do not alter |
SW3 |
pins 1 & 2 closed | |
|
Note:On some board revisions SW2 is a two position switch with the settings marked "Color" and "Mono". SW2 is shown here as a three pin jumper with unverified settings. | |||
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(2) 256K x 9 |
NONE |
|
640KB |
(2) 256K x 9 |
(2) 64K x 9 |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |