SHUTTLE COMPUTER INTERNATIONAL, INC.
HOT-557 (VER. 1.5)
Device Type | Mainboard |
Processor | CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/AM K5/Pentium |
Processor Speed | 75/90/100/120/133/150/166/200MHz |
Chip Set | Intel |
Video Chip Set | None |
Maximum Onboard Memory | 128MB (EDO & SDRAM supported) |
Maximum Video Memory | None |
Cache | 256/512KB |
BIOS | Award |
Dimensions | 280mm x 220mm |
I/O Options | 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, USB connectors (2) |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Floppy drive interface | CN1 | IR connector | JP3 |
Serial port 1 | CN2 | Speaker | J12 |
Serial port 2 | CN3 | Power LED & keylock | J14 |
Parallel port | CN4 | Reset switch | JP12 |
IDE interface 1 | J6 | Green PC connector | JP15 |
IDE interface 2 | J7 | IDE interface LED | JP22 |
USB connector 1 | J10 | Green PC LED | JP33 |
USB connector 2 | J11 | 32-bit PCI slots | PC1 – PC4 |
PS/2 mouse interface | J99 | Cache slot | SL1 |
Chassis fan power | JP1 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
Monitor type select EGA/VGA | JP7 | Closed | |
Monitor type select monochrome | JP7 | Open | |
» | Password normal operation | JP9 | Open |
Password clear | JP9 | Closed | |
Flash BIOS voltage select 12v | JP19 | Pins 2 & 3 closed | |
Flash BIOS voltage select 5v | JP19 | Pins 1 & 2 closed | |
» | CMOS memory normal operation | JP21 | Open |
CMOS memory clear | JP21 | Closed | |
» | Factory configured - do not alter | JP39 | Pins 2 & 3 closed |
» | Factory configured - do not alter | JP43 | Closed |
» | Factory configured - do not alter | JP44 | Open |
SIMM CONFIGURATION | ||
Size | Bank 1 | Bank 2 |
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 |
SIMM CONFIGURATION (CON’T) | ||
Size | Bank 1 | Bank 2 |
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 |
Note: Board accepts EDO memory. | ||
DIMM CONFIGURATION | ||
Size | Bank 0 | Bank 3 |
8MB | (1) 1M x 64 | None |
16MB | (1) 2M x 64 | None |
16MB | (1) 1M x 64 | (1) 1M x 64 |
24MB | (1) 2M x 64 | (1) 1M x 64 |
32MB | (1) 4M x 64 | None |
32MB | (1) 2M x 64 | (1) 2M x 64 |
40MB | (1) 4M x 64 | (1) 1M x 64 |
48MB | (1) 4M x 64 | (1) 2M x 64 |
64MB | (1) 8M x 64 | None |
64MB | (1) 4M x 64 | (1) 4M x 64 |
72MB | (1) 8M x 64 | (1) 1M x 64 |
80MB | (1) 8M x 64 | (1) 2M x 64 |
96MB | (1) 8M x 64 | (1) 4M x 64 |
128MB | (1) 8M x 64 | (1) 8M x 64 |
Note: Board accepts SDRAM memory. | ||
CACHE CONFIGURATION | ||
Size | Bank 0 | SL1 |
256KB | (2) 32K x 32 | Not installed |
512KB | (2) 32K x 32 | 256KB module installed |
CACHE CONFIGURATION | |
Size | Bank 0 |
256KB | (2) 32K x 32 |
512KB | (2) 64K x 32 |
CACHE JUMPER CONFIGURATION | ||
Size | JP29 | JP30 |
256KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
512KB | Pins 1 & 2 closed | Pins 1 & 2 closed |
CPU SPEED SELECTION (CX 6X86) | |||||
CPU speed | Clock speed | Multiplier | JP23 | JP24 | JP36 |
120MHz | 50MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4, 5 & 6 |
133MHz | 55MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 5 & 6 |
150MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
166MHz | 66MHz | 2x | 1 & 2 | 2 & 3 | 3 & 4, 5 & 6 |
Note: Pins designated should be in the closed position. | |||||
CPU SPEED SELECTION (IBM 6X86) | |||||
CPU speed | Clock speed | Multiplier | JP23 | JP24 | JP36 |
120MHz | 50MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4, 5 & 6 |
133MHz | 55MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 5 & 6 |
150MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
166MHz | 66MHz | 2x | 1 & 2 | 2 & 3 | 3 & 4, 5 & 6 |
Note: Pins designated should be in the closed position. | |||||
CPU SPEED SELECTION (CX 6X86L) | |||||
CPU speed | Clock speed | Multiplier | JP23 | JP24 | JP36 |
120MHz | 50MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4, 5 & 6 |
133MHz | 55MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 5 & 6 |
150MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
166MHz | 66MHz | 2x | 1 & 2 | 2 & 3 | 3 & 4, 5 & 6 |
Note: Pins designated should be in the closed position. | |||||
CPU SPEED SELECTION (IBM 6X86L) | |||||
CPU speed | Clock speed | Multiplier | JP23 | JP24 | JP36 |
120MHz | 50MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4, 5 & 6 |
133MHz | 55MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 5 & 6 |
150MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
166MHz | 66MHz | 2x | 1 & 2 | 2 & 3 | 3 & 4, 5 & 6 |
Note: Pins designated should be in the closed position. | |||||
CPU SPEED SELECTION (AM K5) | |||||
CPU speed | Clock speed | Multiplier | JP23 | JP24 | JP36 |
75MHz | 50MHz | 1.5x | 2 & 3 | 2 & 3 | 1 & 2, 3 & 4, 5 & 6 |
90MHz | 60MHz | 1.5x | 2 & 3 | 2 & 3 | 1 & 2, 3 & 4 |
100MHz | 66MHz | 1.5x | 2 & 3 | 2 & 3 | 3 & 4, 5 & 6 |
120MHz | 60MHz | 1.5x | 2 & 3 | 2 & 3 | 1 & 2, 3 & 4 |
133MHz | 66MHz | 1.5x | 2 & 3 | 2 & 3 | 3 & 4, 5 & 6 |
150MHz | 60MHz | 1.75x | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 |
166MHz | 66MHz | 1.75x | 1 & 2 | 1 & 2 | 3 & 4, 5 & 6 |
200MHz | 66MHz | 2x | 1 & 2 | 1 & 2 | 3 & 4, 5 & 6 |
Note: Pins designated should be in the closed position. | |||||
CPU SPEED SELECTION (INTEL) | |||||
CPU speed | Clock speed | Multiplier | JP23 | JP24 | JP36 |
75MHz | 50MHz | 1.5x | 2 & 3 | 2 & 3 | 1 & 2, 3 & 4, 5 & 6 |
90MHz | 60MHz | 1.5x | 2 & 3 | 2 & 3 | 1 & 2, 3 & 4 |
100MHz | 66MHz | 1.5x | 2 & 3 | 2 & 3 | 3 & 4, 5 & 6 |
120MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
133MHz | 66MHz | 2x | 1 & 2 | 2 & 3 | 3 & 4, 5 & 6 |
150MHz | 60MHz | 2.5x | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 |
166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2 | 3 & 4, 5 & 6 |
180MHz | 60MHz | 3x | 2 & 3 | 1 & 2 | 1 & 2, 3 & 4 |
200MHz | 66MHz | 3x | 2 & 3 | 1 & 2 | 3 & 4, 5 & 6 |
Note: Pins designated should be in the closed position. | |||||
CPU VOLTAGE SELECTION (SINGLE) | ||||
Voltage | J100 | J105 | J107 | J108 |
2.82v | Open | 3 & 4 | Open | 1 & 3, 2 & 4 |
2.94v | 2 & 4 | 3 & 4 | Open | 1 & 3, 2 & 4 |
3.10v | 3 & 4 | 3 & 4 | Open | 1 & 3, 2 & 4 |
3.33v | 1 & 3 | 3 & 4 | Open | 1 & 3, 2 & 4 |
3.53v | 1 & 3, 2 & 4 | 3 & 4 | Open | 1 & 3, 2 & 4 |
Note: Pins designated should be in the closed position. | ||||
CPU VOLTAGE SELECTION (DUAL) | |||||
Voltage | V core | J100 | J105 | J107 | J108 |
2.82v | 3.33v | Open | 3 & 4 | 1 & 3, 2 & 4 | Open |
2.82v | 3.44v | Open | 2 & 4 | 1 & 3, 2 & 4 | Open |
2.94v | 3.33v | 2 & 4 | 3 & 4 | 1 & 3, 2 & 4 | Open |
2.94v | 3.44v | 2 & 4 | 2 & 4 | 1 & 3, 2 & 4 | Open |
3.10v | 3.33v | 3 & 4 | 3 & 4 | 1 & 3, 2 & 4 | Open |
3.10v | 3.44v | 3 & 4 | 2 & 4 | 1 & 3, 2 & 4 | Open |
Note: Pins designated should be in the closed position. | |||||