AMERICAN MEGATRENDS, INC.
MEGAPRO
Processor |
Pentium Pro |
Processor Speed |
133/150/166/180/200MHz |
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 |
AMI |
Dimensions |
355mm x 304mm |
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), VGA interface, IR connector, VRM connectors (2), USB connectors (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
CPU fan |
J2 |
PS/2 mouse interface |
P8 |
CPU fan |
J3 |
Floppy drive interface |
P10 |
Chassis door connector |
J12 |
IDE interface 1 |
P11 |
IDE interface LED |
J13 |
Parallel port |
P12 |
Speaker |
J16 |
IDE interface 2 |
P13 |
Chassis fan power |
J18 |
USB connector 1 |
P14 |
Green PC connector |
J21 |
USB connector 2 |
P15 |
Power LED & keylock |
J23 |
VGA connector |
P20 |
Turbo LED |
J26 |
32-bit PCI slots |
PC1 - PC4 |
Reset switch |
J28 |
VRM connector 1 |
VRM1 |
Serial port 1 |
P4 |
VRM connector 2 |
VRM2 |
Serial port 2 |
P5 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Factory configured - do not alter |
J11 |
Open |
» |
Factory configured - do not alter |
J14 |
Pins 1 & 2 closed |
PS/2 mouse IRQ12 enabled |
J15 |
Pins 2 & 3 closed | |
PS/2 mouse IRQ12 disabled |
J15 |
Pins 1 & 2 closed | |
» |
On board PCI VGA enabled |
J19 |
Open |
On board PCI VGA disabled |
J19 |
Closed | |
» |
PCI IRQ disabled |
J20 |
Closed |
PCI IRQ enabled |
J20 |
Open | |
» |
Server management SMI disabled |
J22 |
Open |
Server management SMI enabled |
J22 |
Closed | |
» |
External SMI disabled |
J25 |
Open |
External SMI enabled |
J25 |
Closed | |
» |
Factory configured - do not alter |
J27 |
Open |
» |
CMOS memory normal operation |
J29 |
Open |
CMOS memory clear |
J29 |
Closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
8MB |
(2) 1M x 36 |
None |
None |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
None |
None |
16MB |
(2) 2M x 36 |
None |
None |
None |
24MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
None |
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
None |
None |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
None |
None |
32MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
32MB |
(2) 2M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
None |
None |
DRAM CONFIGURATION (CON'T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
32MB |
(2) 4M x 36 |
None |
None |
None |
40MB |
(2) 1M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
None |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
None |
None |
40MB |
(2) 2M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
None |
None |
48MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
None |
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
None |
None |
48MB |
(2) 4M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
None |
56MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 1M x 36 |
56MB |
(2) 4M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
64MB |
(2) 4M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
None |
None |
64MB |
(2) 8M x 36 |
None |
None |
None |
72MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 1M x 36 |
None |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
None |
None |
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
None |
None |
80MB |
(2) 4M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
80MB |
(2) 8M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
None |
88MB |
(2) 8M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
96MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
None |
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
None |
None |
96MB |
(2) 8M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
None |
112MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 2M x 36 |
112MB |
(2) 8M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
128MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
128MB |
(2) 8M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
None |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
None |
None |
128MB |
(2) 16M x 36 |
None |
None |
None |
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
None |
None |
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
None |
None |
144MB |
(2) 16M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
None |
152MB |
(2) 16M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
None |
None |
160MB |
(2) 8M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
160MB |
(2) 16M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
None |
176MB |
(2) 16M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
192MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
None |
192MB |
(2) 16M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
None |
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
None |
None |
200MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 1M x 36 |
DRAM CONFIGURATION (CON'T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
208MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 2M x 36 |
224MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 4M x 36 |
224MB |
(2) 16M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
256MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
256MB |
(2) 16M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
None |
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
None |
None |
264MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 1M x 36 |
None |
288MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 4M x 36 |
None |
320MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 8M x 36 |
None |
320MB |
(2) 16M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
384MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
None |
400MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 2M x 36 |
416MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 4M x 36 |
512MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M 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 |
J7 |
J8 |
J9 |
133MHz |
66MHz |
2x |
Open |
Closed |
Open |
150MHz |
60MHz |
2.5x |
Closed |
Open |
Closed |
166MHz |
66MHz |
2.5x |
Open |
Closed |
Open |
180MHz |
60MHz |
3x |
Closed |
Open |
Closed |
200MHz |
66MHz |
3x |
Open |
Closed |
Open |
CPU SPEED SELECTION | |||||
CPU speed |
Clock speed |
Multiplier |
J10 |
J17 |
J24 |
133MHz |
66MHz |
2x |
Closed |
1 & 2, 3 & 4, 5 & 6, 7 & 8 |
1 & 2 |
150MHz |
60MHz |
2.5x |
Open |
3 & 4, 5 & 6, 7 & 8 |
1 & 2 |
166MHz |
66MHz |
2.5x |
Closed |
3 & 4, 5 & 6, 7 & 8 |
1 & 2 |
180MHz |
60MHz |
3x |
Open |
1 & 2, 5 & 6, 7 & 8 |
1 & 2 |
200MHz |
66MHz |
3x |
Closed |
1 & 2, 5 & 6, 7 & 8 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU VOLTAGE SELECTION | |||
Voltage |
J4 |
J5 | |
None |
Open |
Open | |
2.1v |
7 & 8 |
7 & 8 | |
2.2v |
5 & 6 |
5 & 6 | |
2.3v |
5 & 6, 7 & 8 |
5 & 6, 7 & 8 | |
2.4v |
3 & 4 |
3 & 4 | |
2.5v |
3 & 4, 7 & 8 |
3 & 4, 7 & 8 | |
2.6v |
3 & 4, 5 & 6 |
3 & 4, 5 & 6 | |
2.7v |
3 & 4, 5 & 6, 7 & 8 |
3 & 4, 5 & 6, 7 & 8 | |
2.8v |
1 & 2 |
1 & 2 | |
2.9v |
1 & 2, 7 & 8 |
1 & 2, 7 & 8 | |
3.0v |
1 & 2, 5 & 6 |
1 & 2, 5 & 6 | |
3.1v |
1 & 2, 5 & 6, 7 & 8 |
1 & 2, 5 & 6, 7 & 8 | |
3.2v |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 | |
» |
3.3v |
1 & 2, 3 & 4, 7 & 8 |
1 & 2, 3 & 4, 7 & 8 |
3.4v |
1 & 2, 3 & 4, 5 & 6 |
1 & 2, 3 & 4, 5 & 6 | |
3.5v |
1 & 2, 3 & 4, 5 & 6, 7 & 8 |
1 & 2, 3 & 4, 5 & 6, 7 & 8 | |
Note: Pins designated should be in the closed position. |
3.3V POWER SELECTION | ||
Setting |
J1 |
J6 |
From voltage regulator |
Open |
1 & 2, 3 & 4, 5 & 6 |
From power supply |
1 & 2, 3 & 4, 5 & 6 |
Open |
Note: Pins designated should be in the closed position. |