SHUTTLE COMPUTER INTERNATIONAL, INC.
HOT-553
| 
 Processor  | 
 CX M1/AM K5/Pentium  | 
| 
 Processor Speed  | 
 66/75/90/100/120/125/133/150/166/180/200/MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 256MB (EDO 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, VRM connector, USB connectors (2)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 IDE interface 1  | 
 IDE1  | 
 IR connector  | 
 JP63  | 
| 
 IDE interface 2  | 
 IDE2  | 
 Green PC LED  | 
 JP74  | 
| 
 Floppy drive interface  | 
 J1  | 
 USB connector  | 
 JP80  | 
| 
 Speaker  | 
 JP7  | 
 USB connector  | 
 JP81  | 
| 
 Power LED & keylock  | 
 JP8  | 
 Parallel port  | 
 P1  | 
| 
 Reset switch  | 
 JP12  | 
 32-bit PCI slots  | 
 PC1 - PC4  | 
| 
 Turbo switch  | 
 JP13  | 
 Serial port 1  | 
 S1  | 
| 
 Turbo LED  | 
 JP14  | 
 Serial port 2  | 
 S2  | 
| 
 Green PC connector  | 
 JP19  | 
 Cache slot  | 
 SL1  | 
| 
 IDE interface LED  | 
 JP20  | 
 VRM connector  | 
 VRM  | 
| 
 PS/2 mouse interface  | 
 JP52  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 Flash BIOS voltage select 12v  | 
 JP9  | 
 Pins 2 & 3 closed  | |
| 
 Flash BIOS voltage select 5v  | 
 JP9  | 
 Pins 1 & 2 closed  | |
| 
 »  | 
 CMOS memory normal operation  | 
 JP11  | 
 Open  | 
| 
 CMOS memory clear  | 
 JP11  | 
 Closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP59  | 
 Pins 2 & 3 closed  | 
| 
 Monitor type select  | 
 JP71  | 
 Unidentified  | |
| 
 »  | 
 Password normal operation  | 
 JP72  | 
 Open  | 
| 
 Password clear  | 
 JP72  | 
 Closed  | |
| 
 DRAM 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) 2M x 36  | 
 (2) 2M x 36  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 (2) 4M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 None  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 72MB  | 
 (2) 1M x 36  | 
 (2) 8M x 36  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
| 
 96MB  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
| 
 128MB  | 
 (2) 16M x 36  | 
 None  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 136MB  | 
 (2) 16M x 36  | 
 (2) 1M x 36  | 
| 
 DRAM CONFIGURATION (CON’T)  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 144MB  | 
 (2) 16M x 36  | 
 (2) 2M x 36  | 
| 
 160MB  | 
 (2) 16M x 36  | 
 (2) 4M x 36  | 
| 
 192MB  | 
 (2) 16M x 36  | 
 (2) 8M x 36  | 
| 
 256MB  | 
 (2) 16M x 36  | 
 (2) 16M x 36  | 
| 
 Note: Board accepts EDO memory. Banks are interchangeable.  | ||
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 SL1  | 
 TAG  | 
| 
 256KB  | 
 (2) 32K x 32  | 
 None installed  | 
 (1) 32K x 8  | 
| 
 512KB  | 
 (2) 32K x 32  | 
 256KB module installed  | 
 (1) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | ||
| 
 Size  | 
 JP4  | 
 JP64  | 
| 
 256KB  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 512KB  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 CACHE TYPE CONFIGURATION  | |
| 
 Type  | 
 JP78  | 
| 
 Mixed voltage  | 
 Pins 2 & 3 closed  | 
| 
 3.3v  | 
 Pins 1 & 2 closed  | 
| 
 CPU SPEED SELECTION (CYRIX)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP3  | 
 JP15  | 
 JP16  | 
 JP58  | 
 JP79  | 
| 
 90MHz  | 
 40MHz  | 
 2x  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 120MHz  | 
 50MHz  | 
 2x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 150MHz  | 
 60MHz  | 
 2x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 166MHz  | 
 66MHz  | 
 2x  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 CPU SPEED SELECTION (AMD)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP3  | 
 JP15  | 
 JP16  | 
 JP58  | 
 JP79  | 
| 
 60MHz  | 
 66MHz  | 
 1x  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 75MHz  | 
 50MHz  | 
 1.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 90MHz  | 
 60MHz  | 
 1.5x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 CPU SPEED SELECTION (INTEL)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP3  | 
 JP15  | 
 JP16  | 
 JP58  | 
 JP79  | 
| 
 75MHz  | 
 50MHz  | 
 1.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 90MHz  | 
 60MHz  | 
 1.5x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 120MHz  | 
 60MHz  | 
 2x  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 125MHz  | 
 60MHz  | 
 2.5x  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 133MHz  | 
 66MHz  | 
 2x  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 150MHz  | 
 60MHz  | 
 2.5x  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 150MHz  | 
 50MHz  | 
 3x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 Closed  | 
 Closed  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 180MHz  | 
 60MHz  | 
 3x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 CPU VOLTAGE SELECTION  | |||
| 
 Voltage  | 
 J5  | 
 J6  | 
 J7  | 
| 
 3.3v  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 3.45v  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 3.6v  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 VL BUS WAIT STATE SELECTION  | |||||
| 
 Voltage Output  | 
 Power Supply Path  | 
 JP50  | 
 JP51  | 
 JP56  | 
 JP57  | 
| 
 On board VRM  | 
 3.3v - 3.6v onboard VRM  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 Add on VRM for P55C  | 
 3.3v & 2.5v add on VRM  | 
 Open  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
| 
 Add on VRM for P55C  | 
 3.3v onboard VRM. 2.5v add on VRM  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 Note: Pins designated should be in the closed position.  | |||||
| 
 DMA CHANNEL SELECTION  | |||
| 
 Channel  | 
 JP60  | 
 JP61  | |
| » | 
 1  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 3  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | |
| 
 MOUSE SELECTION  | |
| 
 Type  | 
 JP52  | 
| 
 6 pin mouse  | 
 Pins 1 - 6 closed  | 
| 
 10 pin mouse  | 
 Pins 2 & 8, 3 & 9, 4 & 10, 5 & 11, 6 & 12 closed  | 
| 
 Note: Pins 1 is not shown on the mainboard. Pin labeling may be shown different on board than shown in this table.  | |