AST RESEARCH, INC.
PREMIUM 5100 III+ (503027-001), PREMIUM 5133 III+ (503028-401), PREMIUM 5166 III+ (503029-401)
| Device Type | Mainboard |
| Processor | 80486SX/Pentium |
| Processor Speed | 33/75/90/100/120/133/150/166/200MHz |
| Chip Set | Intel 440HX |
| Video Chip Set | Cirrus Logic |
| Audio Chip Set | Creative Labs |
| Maximum Onboard Memory | 192MB (EDO supported) |
| Maximum Video Memory | Unidentified |
| Maximum Audio Memory | Unidentified |
| Cache | 512KB |
| BIOS | Unidentified |
| Dimensions | Unidentified |
| I/O Options (backplane) | Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 keyboard port, serial ports (2), VGA port, riser slot, AT power connector, line in, microphone in, audio in - CD-ROM |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| AT power connector | AT |
IDE interface 1 | IDE1 |
| Line in | CN1 | IDE interface 2 | IDE2 |
| Microphone in | CN2 | Cache module socket | J1D1 |
| PS/2 keyboard port | CN3 | ATI MPEG interface | J1H1 |
| PS/2 mouse port | CN4 | Video RAM upgrade header 1 | J1L1 |
| Serial port 1 | CN5 | Video RAM upgrade header 2 | J1L2 |
| Serial port 2 | CN6 | Audio in - CD-ROM | J6N1 |
| Parallel port | CN7 | Voice Modem Audio connector | J9L2 |
| VGA port | CN8 | Unidentified | J9N2 |
| Front panel connector | CN9 | Riser slot | RISER |
| Floppy drive interface | FDD | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
| » | Two PCI slots enabled | J4G1 | Pins 1 & 2, 4 & 5 closed |
| Three PCI slots enabled | J4G1 | Pins 2 & 3, 5 & 6 closed | |
» |
CMOS memory normal operation | J4L1 |
Pins 13 & 14 closed |
| CMOS memory clear | J4L1 |
Pins 14 & 15 closed |
|
| » | Password enabled | J4L1 | Pins 1 & 2 closed |
| Password clear | J4L1 | Pins 2 & 3 closed | |
» |
CMOS access enabled | J4L1 | Pins 4 & 5 closed |
| CMOS access disabled | J4L1 | Pins 5 & 6 closed | |
» |
Factory configured - do not alter | J4L1 |
Pins 16 & 17 closed |
| » | Normal operation | J6C2 | Pins 1 & 2 closed |
| Flash BIOS update | J6C2 | Pins 2 & 3 closed | |
| Processor voltage 3.6V VRE selected | J6C2 | Pins 4 & 5 closed | |
| Processor voltage 3.3V selected | J6C2 | Pins 5 & 6 closed | |
CPU SPEED SELECTION |
||
Speed |
Bus Speed | J4L1 |
75MHz |
25MHz | Pins 8 & 9, 10 &11, 20 & 21, 22 & 23 closed |
90MHz |
30MHz | Pins 8 & 9, 10 & 11,19 & 20, 22 & 23 closed |
100MHz |
33MHz | Pins 7 & 8, 10 & 11, 20 & 21, 22 & 23 closed |
120MHz |
30MHz | Pins 8 & 9, 11 & 12, 19 & 20, 22 & 23 closed |
133MHz |
33MHz | Pins 7 & 8, 11 & 12, 20 & 21, 22 & 23 closed |
150MHz |
30MHz | Pins 8 & 9, 11 & 12, 19 & 20, 23 & 24 closed |
166MHz |
33MHz | Pins 7 & 8, 11 & 12, 20 & 21, 23 & 24 closed |
200MHz |
33MHz | Pins 7 & 8, 10 & 11, 20 & 21, 23 & 24 closed |