AST RESEARCH, INC.
BRAVO MS, MS-T, MS-L PENTIUM (RATTLER) (202653-XXX)
Processor |
Pentium |
Processor Speed |
60/66/90/100MHz |
Chip Set |
AST |
Max. Onboard DRAM |
128MB |
Cache |
512KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interfaces (2), parallel port, serial ports (2), PS/2 mouse port, VGA feature connector, VGA port |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
VGA port |
CN1 |
Floppy drive interface |
J24 |
Parallel port |
CN2 |
Speaker |
J27 |
Serial port 2 |
CN3 |
Chassis fan power |
J28 |
Serial port 1 |
CN4 |
Front panel connector |
J29 |
PS/2 mouse port |
CN5 |
Power LED & keylock |
J32 |
VGA feature connector |
J19 |
IDE interface LED |
J40 |
IDE interface 2 |
J22 |
Video memory upgrade slot |
SL1 |
IDE interface 1 |
J23 |
Riser Card |
SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
E4 |
Open |
|
Factory configured - do not alter |
E5 |
Open |
|
Factory configured - do not alter |
E6 |
Open |
|
Factory configured - do not alter |
E8 |
Open |
|
Monitor type select color |
E9 |
Closed |
Monitor type select monochrome |
E9 |
Open | |
|
System setup enabled |
E10 |
Closed |
System setup disabled |
E10 |
Open | |
|
On board video enabled |
E11 |
Closed |
On board video disabled |
E11 |
Open | |
|
Password enabled |
E12 |
Closed |
Password disabled |
E12 |
Open | |
|
Flash BIOS write protect enabled |
E13 |
Closed |
Flash BIOS write protect disabled |
E13 |
Open | |
|
CMOS memory normal operation |
J26 |
Closed |
CMOS memory clear |
J26 |
Open |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
9MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
17MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
18MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
20MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
33MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
34MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
66MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
68MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
NONE |
72MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
72MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 2M x 36 |
NONE |
80MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
80MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
NONE |
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
CACHE CONFIGURATION | |
Size |
Bank 0 |
512KB |
(8) 64K x 8 |
Note: Cache is factory installed and is not configurable. |
CPU SPEED CONFIGURATION | ||||
Speed |
E1 |
E2 |
E3 |
E7 |
60MHz |
pins 1 & 2 closed |
Open |
Closed |
Open |
66MHz |
pins 1 & 2 closed |
Closed |
Closed |
Open |
90MHz |
pins 2 & 3 closed |
Open |
Closed |
Open |
100MHz |
pins 2 & 3 closed |
Open |
Closed |
Closed |
Note: Use these settings with IMI415 installed at U7. |
CPU SPEED CONFIGURATION | ||||
Speed |
E1 |
E2 |
E3 |
E7 |
60MHz |
pins 1 & 2 closed |
Open |
Closed |
Closed |
66MHz |
pins 1 & 2 closed |
Closed |
Closed |
Closed |
90MHz |
pins 2 & 3 closed |
Open |
Closed |
Closed |
100MHz |
pins 2 & 3 closed |
Open |
Closed |
Open |
Note: Use these settings with IMI470 installed at U7. |