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 | |