SHUTTLE COMPUTER INTERNATIONAL, INC.
HOT-555
| Processor | CX M1/AM K5/Pentium | 
| Processor Speed | 66/75/90/100/120/125/133/150/166/180/200MHz | 
| Chip Set | Intel | 
| Video Chip Set | None | 
| Maximum Onboard Memory | 128MB (EDO supported) | 
| Maximum Video Memory | None | 
| Cache | 256KB | 
| BIOS | Award | 
| Dimensions | 230mm x 220mm | 
| I/O Options | 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector (2) | 
| NPU Options | None | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Floppy drive interface | CN1 | Power LED & keylock | J14 | 
| Serial port 1 | CN2 | PS/2 mouse interface | J99 | 
| Serial port 2 | CN3 | Chassis fan power | JP1 | 
| Parallel port | CN4 | IR connector | JP3 | 
| IDE interface 1 | J6 | Reset switch | JP12 | 
| IDE interface 2 | J7 | Green PC connector | JP15 | 
| USB connector | J10 | Green PC LED | JP17 | 
| USB connector | J11 | IDE interface LED | JP22 | 
| Speaker | J12 | 32-bit PCI slots | PC1 - PC4 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| Monitor type select monochrome | JP7 | Open | |
| Monitor type select EGA/CGA | JP7 | Closed | |
| Monitor type select VGA | JP7 | Any setting | |
| » | Password normal operation | JP9 | Open | 
| Password clear | JP9 | Closed | |
| Flash BIOS voltage select 12v | JP18 | Pins 1 & 2 closed | |
| Flash BIOS voltage select 5v | JP18 | Pins 2 & 3 closed | |
| » | CMOS memory normal operation | JP21 | Open | 
| CMOS memory clear | JP21 | Closed | |
| DRAM CONFIGURATION | |||
| Size | Bank 0 | Bank 1 | Bank 2 | 
| 8MB | (2) 1M x 36 | None | None | 
| 8MB | None | None | (1) 1M x 64 | 
| 16MB | None | None | (1) 2M x 64 | 
| 16MB | (2) 2M x 36 | None | None | 
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None | 
| 24MB | (2) 2M x 36 | (2) 1M x 36 | None | 
| 32MB | (2) 4M x 36 | None | None | 
| 32MB | (2) 2M x 36 | (2) 2M x 36 | None | 
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None | 
| 48MB | (2) 4M x 36 | (2) 2M x 36 | None | 
| 64MB | (2) 8M x 36 | None | None | 
| 64MB | (2) 4M x 36 | (2) 4M x 36 | None | 
| 72MB | (2) 8M x 36 | (2) 1M x 36 | None | 
| 80MB | (2) 8M x 36 | (2) 2M x 36 | None | 
| 96MB | (2) 8M x 36 | (2) 4M x 36 | None | 
| 128MB | (2) 8M x 36 | (2) 8M x 36 | None | 
| Note: Board accepts EDO memory. Banks 0 & 1 are interchangeable. | |||
| CACHE CONFIGURATION | ||
| Size | Bank 0 | TAG | 
| 256KB | (2) 32K x 32 | (1) 32K x 8 | 
| CPU SPEED SELECTION (CYRIX) | ||||||
| CPU speed | Clock speed | Multiplier | JP23 | JP24 | JP27 | JP28 | 
| 120MHz | 50MHz | 2x | Open | Open | Closed | Closed | 
| 133MHz | 55MHz | 2x | Open | Open | Open | Open | 
| 150MHz | 60MHz | 2x | Open | Open | Closed | Open | 
| 166MHz | 66MHz | 2x | Open | Open | Open | Closed | 
| CPU SPEED SELECTION (AMD) | ||||||
| CPU speed | Clock speed | Multiplier | JP23 | JP24 | JP27 | JP28 | 
| 66MHz | 50MHz | 1 | Closed | Open | Open | Closed | 
| 75MHz | 60MHz | 1.5x | Open | Open | Closed | Closed | 
| 90MHz | 66MHz | 1.5x | Open | Open | Closed | Open | 
| 100MHz | 60MHz | 1.5x | Open | Open | Open | Closed | 
| CPU SPEED SELECTION (INTEL) | ||||||
| CPU speed | Clock speed | Multiplier | JP23 | JP24 | JP27 | JP28 | 
| 75MHz | 50MHz | 1.5x | Open | Open | Closed | Closed | 
| 90MHz | 60MHz | 1.5x | Open | Open | Closed | Open | 
| 100MHz | 66MHz | 1.5x | Open | Open | Open | Closed | 
| 120MHz | 60MHz | 2x | Closed | Open | Closed | Open | 
| 125MHz | 50MHz | 2.5x | Closed | Closed | Closed | Closed | 
| 133MHz | 66MHz | 2x | Closed | Open | Open | Closed | 
| 150MHz | 60MHz | 2.5x | Closed | Closed | Closed | Open | 
| 150MHz | 50MHz | 3x | Open | Closed | Closed | Closed | 
| 166MHz | 66MHz | 2.5x | Closed | Closed | Open | Closed | 
| 180MHz | 60MHz | 3x | Open | Closed | Closed | Open | 
| 200MHz | 66MHz | 3x | Open | Closed | Open | Closed | 
| CPU VOLTAGE SELECTION (SINGLE) | ||||
| Voltage(VIO = VCORE) | JP4 | JP10 | JP13 | JP36 | 
| 3.3v | Pins 5 & 6 closed | Open | Closed | Pins 1 & 2 closed | 
| 3.45v | Pins 3 & 4 closed | Open | Closed | Pins 1 & 2 closed | 
| 3.6v | Pins 1 & 2 closed | Open | Closed | Pins 1 & 2 closed | 
| CPU VOLTAGE SELECTION (DUAL) | ||
| Voltage (VIO) | JP4 | JP13 | 
| 3.3v | Pins 5 & 6 closed | Open | 
| 3.45v | Pins 3 & 4 closed | Open | 
| 3.6v | Pins 1 & 2 closed | Open | 
| CPU VOLTAGE SELECTION (DUAL) | ||
| Voltage (VCORE) | JP10 | JP36 | 
| 2.5v | Open | Pins 3 & 4, 5 & 6 closed | 
| 2.6v | Open | Pins 3 & 4, 7 & 8 closed | 
| 2.7v | Pins 1 & 2 closed | Pins 3 & 4 closed | 
| 2.8v | Pins 3 & 4 closed | Pins 3 & 4 closed | 
| 2.9v | Pins 5 & 6 closed | Pins 3 & 4 closed | 
| 3v | Pins 7 & 8 closed | Pins 3 & 4 closed |