I-BUS
THRESHER
| 
 Processor  | 
 Pentium Pro  | 
| 
 Processor Speed  | 
 150/166/180/200MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 512MB (EDO supported)  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 256/512KB (located on Pentium Pro CPU)  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 Unidentified  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VRM connector, USB connector  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 IDE interface LED  | 
 J1  | 
 Auxiliary keyboard connector  | 
 J9  | 
| 
 IDE interface  | 
 J2  | 
 Reset switch  | 
 J10  | 
| 
 Floppy drive interface  | 
 J3  | 
 USB connector  | 
 J11  | 
| 
 Chassis fan power  | 
 J4  | 
 Speaker  | 
 J12  | 
| 
 Parallel port  | 
 J5  | 
 External battery  | 
 J18  | 
| 
 Serial port 1  | 
 J6  | 
 PS/2 mouse port  | 
 J19  | 
| 
 Serial port 2  | 
 J7  | 
 VRM connector  | 
 VRM  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 Flash BIOS write protect disabled  | 
 J8  | 
 Open  | |
| 
 Flash BIOS write protect enabled  | 
 J8  | 
 Closed  | |
| 
 On board speaker enabled  | 
 J12  | 
 Pins 1 & 2 closed  | |
| 
 On board speaker disabled  | 
 J12  | 
 Open  | |
| 
 External speaker enabled  | 
 J12  | 
 Closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J15  | 
 Unidentified  | 
| 
 Watch dog timer enabled  | 
 J17  | 
 Closed  | |
| 
 Watch dog timer disabled  | 
 J17  | 
 Open  | |
| 
 On board speaker enabled  | 
 J18  | 
 Pins 3 & 4 closed  | |
| 
 On board speaker disabled  | 
 J18  | 
 Open  | |
| 
 External speaker enabled  | 
 J18  | 
 Closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J22  | 
 Unidentified  | 
| 
 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) 1M x 36  | 
 (2) 2M x 36  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 None  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 40MB  | 
 (2) 1M x 36  | 
 (2) 4M 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) 2M x 36  | 
 (2) 8M 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) 1M x 36  | 
 (2) 16M x 36  | 
| 
 144MB  | 
 (2) 2M x 36  | 
 (2) 16M x 36  | 
| 
 160MB  | 
 (2) 4M x 36  | 
 (2) 16M x 36  | 
| 
 192MB  | 
 (2) 8M x 36  | 
 (2) 16M x 36  | 
| 
 256MB  | 
 (2) 16M x 36  | 
 (2) 16M x 36  | 
| 
 512MB  | 
 (2) 32M x 36  | 
 (2) 32M x 36  | 
| 
 Note: Board accepts EDO memory.  | ||
| 
 CACHE CONFIGURATION  | 
| 
 Note: 256KB/512KB cache is located on the Pentium Pro CPU.  | 
| 
 CPU SPEED SELECTION  | |||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 J13  | 
 J14  | 
 J21  | 
| 
 150MHz  | 
 60MHz  | 
 2.5x  | 
 1 & 3  | 
 2 & 4  | 
 3 & 4, 5 & 6, 7 & 8  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 2 & 4  | 
 1 & 3  | 
 3 & 4, 5 & 6, 7 & 8  | 
| 
 180MHz  | 
 60MHz  | 
 3x  | 
 1 & 3  | 
 2 & 4  | 
 1 & 2, 3 & 4, 7 & 8  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 2 & 4  | 
 1 & 3  | 
 1 & 2, 3 & 4, 7 & 8  | 
| 
 Note: Pins designated should be in the closed position.  | |||||
| 
 WATCH DOG TIMER/ISA BUS SELECTION  | ||
| 
 Setting  | 
 J20  | |
| » | 
 IRQ11 for ISA bus only  | 
 Pins 3 & 4 closed  | 
| 
 IRQ11 for watch dog timer and ISA bus  | 
 Pins 1 & 3, 2 & 4 closed  | |
| 
 IRQ11 for watch dog timer only  | 
 Pins 1 & 3 closed  | |