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 |