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  | |