AST RESEARCH, INC.
BRAVO MS P75 (202759-111, 202762-15X)
Processor |
CX M1/Pentium |
Processor Speed |
60/75/80/90/100/120/133/150/166MHz |
Chip Set |
Unidentified |
Maximum Onboard Memory |
128MB |
Cache |
256KB |
BIOS |
AST |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), 8514 video pass through connector, VGA port, riser slot, speaker/line out connector, microphone connector, line in connector, CD-ROM audio connector |
NPU Options |
None |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
Speaker/line out connector |
CN1 |
IDE interface 1 |
J22 |
Microphone connector |
CN2 |
IDE interface 2 |
J23 |
Line in connector |
CN3 |
Floppy drive interface |
J24 |
PS/2 mouse port |
CN4 |
Speaker |
J27 |
Serial port |
CN5 |
Chassis fan power |
J28 |
Serial port |
CN6 |
Front panel LED’s |
J29 |
Parallel port |
CN7 |
Chassis fan power |
J32 |
VGA port |
CN8 |
IDE interface LED |
J40 |
CD audio connector |
J4 |
Riser slot |
SL1 |
8514 video pass through connector |
J19 |
USER CONFIGURABLE SETTINGS | |||
Setting |
Label |
Position | |
» |
Speaker type select on board |
E1 |
Closed |
Speaker type select external |
E1 |
Open | |
» |
Flash BIOS normal operation |
E4 |
Closed |
Flash BIOS force update at boot |
E4 |
Open | |
» |
Password enabled |
E5 |
Closed |
Password disabled |
E5 |
Open | |
» |
Setup access enabled |
E7 |
Closed |
Setup access disabled |
E7 |
Open | |
» |
Factory configured - do not alter |
E12 |
Open |
» |
Factory configured - do not alter |
E13 |
Closed |
» |
Factory configured - do not alter |
E14 |
Open |
» |
Factory configured - do not alter |
E17 |
Open |
» |
Factory configured - do not alter |
E19 |
Open |
» |
Factory configured - do not alter |
J6 |
Pins 2 & 4 closed |
» |
Factory configured - do not alter |
J7 |
Pins 2 & 4 closed |
DRAM | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 32 |
None |
10MB |
(2) 1M x 32 |
(2) 256K x 32 |
16MB |
(2) 2M x 32 |
None |
16MB |
(2) 1M x 32 |
(2) 1M x 32 |
24MB |
(2) 2M x 32 |
(2) 1M x 32 |
32MB |
(2) 4M x 32 |
None |
32MB |
(2) 2M x 32 |
(2) 2M x 32 |
34MB |
(2) 4M x 32 |
(2) 256K x 32 |
40MB |
(2) 4M x 32 |
(2) 1M x 32 |
48MB |
(2) 4M x 32 |
(2) 2M x 32 |
64MB |
(2) 8M x 32 |
None |
64MB |
(2) 4M x 32 |
(2) 4M x 32 |
DRAM (CON’T) | ||
Size |
Bank 0 |
Bank 1 |
66MB |
(2) 8M x 32 |
(2) 256K x 32 |
72MB |
(2) 8M x 32 |
(2) 1M x 32 |
80MB |
(2) 8M x 32 |
(2) 2M x 32 |
96MB |
(2) 8M x 32 |
(2) 4M x 32 |
128MB |
(2) 8M x 32 |
(2) 8M x 32 |
CACHE SIZE |
Note: 256KB cache is factory installed and is not configurable. |
CPU SPEED | ||||||||
Internal |
External |
E3 |
E6 |
E8 |
E10 |
E11 |
E18 |
E20 |
60MHz |
40MHz |
2 & 3 |
Closed |
Closed |
Open |
Closed |
Open |
Open |
75MHz |
50MHz |
2 & 3 |
Closed |
Closed |
Open |
Open |
Open |
Closed |
80MHz |
40MHz |
1 & 2 |
Open |
Closed |
Open |
Closed |
Closed |
Open |
90MHz |
60MHz |
2 & 3 |
Closed |
Closed |
Closed |
Open |
Closed |
Closed |
100MHz (Intel) |
66MHz |
1 & 2 |
Open |
Closed |
Open |
Open |
Closed |
Closed |
100MHz (Cyrix) |
50MHz |
2 & 3 |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
120MHz |
60MHz |
1 & 2 |
Open |
Closed |
Closed |
Open |
Closed |
Closed |
133MHz |
66MHz |
1 & 2 |
Open |
Closed |
Closed |
Closed |
Closed |
Closed |
150MHz |
60MHz |
1 & 2 |
Closed |
Open |
Closed |
Open |
Closed |
Closed |
166MHz |
66MHz |
1 & 2 |
Closed |
Open |
Closed |
Closed |
Closed |
Closed |
Note: Pins designated should be in the closed position. |
CPU VOLTAGE | |
Setting |
E2 |
3.3v - 3.4v |
Closed |
3.4v - 3.6v |
Open |
Note: E2 may not be present on all boards. |
VIDEO MEMORY | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 8 |
None |
2MB |
(4) 256K x 8 |
(4) 256K x 8 |
Note: Bank 0 is factory installed and is not configurable. |
SPEAKER/LINE OUT | |||
Setting |
E15 |
E16 | |
» |
Output to speaker |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Output to line |
Pins 2 & 3 closed |
Pins 2 & 3 closed |