AST RESEARCH, INC.
PREMIUM P/75 III+ (501710-301)
| Device Type | Mainboard |
| Processor | 80486SX/Pentium |
| Processor Speed | 33/75MHz |
| Chip Set | Unidentified |
| Video Chip Set | Cirrus Logic |
| Maximum Onboard Memory | 128MB |
| Maximum Video Memory | Unidentified |
| BIOS | Unidentified |
| Dimensions | Unidentified |
| I/O Options | Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), riser slot, cache slot, AT power connector |
CONNECTIONS |
|||
| Purpose | Location |
Purpose | Location |
| AT power connector | AT |
Floppy drive interface | J24 |
| PS/2 mouse or keyboard port | CN1 | CMOS backup battery connector | J26 |
| PS/2 keyboard or mouse port | CN2 | Speaker | J27 |
| Serial port | CN3 | CPU fan power | J28 |
| Serial port | CN4 | Control console LEDs | J29 |
| Parallel port | CN5 | System fan power | J32 |
| VGA port | CN6 | IDE interface LED | J40 |
| Video-Pass through | J19 | Video RAM upgrade module | J801 |
| IDE interface 2 | J22 | Riser slot | RISER |
| IDE interface 1 | J23 | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
» |
Factory configured - do not alter | E1 |
Pins 2 & 3 closed |
» |
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 |
» |
Color display adapter selected | E9 |
Closed |
| Monochrome display adapter selected | E9 | Open |
|
» |
Access to setup enabled | E10 |
Closed |
| Access to setup disabled | E10 |
Open |
|
| » | Integrated video enabled | E11 |
Closed |
| Integrated video disabled | E11 |
Open |
|
| » | Password enabled | E12 | Closed |
| Password disabled | E12 | Open |
|
| » | Normal boot | E13 |
Closed |
| Flash update at boot | E13 |
Open |
|
SIMM CONFIGURATION |
||
Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 36 |
None |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
32MB |
(2) 4M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
CPU SPEED SELECTION |
||||
Speed |
Bus Speed | E2 | E3 | E7 |
75MHz |
50MHz | Open | Closed | Closed |
90MHz |
60MHz | Open | Closed | Open |
100MHz |
66MHz | Closed | Closed | Open |
| Note: These settings are used when an INI413 is installed. | ||||
CPU SPEED SELECTION |
||||
Speed |
Bus Speed | E2 | E3 | E7 |
75MHz |
50MHz | Open | Closed | Open |
90MHz |
60MHz | Open | Closed | Closed |
100MHz |
66MHz | Closed | Closed | Closed |
| Note: These settings are used when an INI470 is installed. | ||||