AMERICAN MEGATRENDS, INC.
PEGASUS
|
Processor |
Pentium II |
|
Processor Speed |
200/233/266/300MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
768MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB (located on Pentium II CPU) |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
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), IR connector, VRM connector, USB connectors (2), CPU Slot 1 |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
PS/2 mouse interface |
J1 |
Power LED & keylock |
J25 |
|
Serial port 2 |
J2 |
Reset switch |
J27 |
|
Serial port 1 |
J3 |
Turbo LED |
J28 |
|
Floppy drive interface |
J4 |
Green PC connector |
J30 |
|
Chassis fan power |
J5 |
IDE interface LED |
J31 |
|
CPU fan power |
J6 |
Speaker |
J32 |
|
Parallel port |
J8 |
Chassis fan power |
J33 |
|
IDE interface 2 |
J9 |
IR connector |
J34 |
|
IDE interface 1 |
J11 |
32-bit PCI slots |
PC1 – PC4 |
|
USB connector 2 |
J14 |
CPU Slot 1 |
SL1 |
|
USB connector 1 |
J15 |
VRM connector |
VRM |
|
Chassis door intrusion connector |
J23 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
Factory configured - do not alter |
J20 |
Unidentified |
|
» |
Factory configured - do not alter |
J24 |
Unidentified |
|
» |
Factory configured - do not alter |
J26 |
Unidentified |
|
» |
CMOS memory normal operation |
J29 |
Open |
|
CMOS memory clear |
J29 |
Closed | |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
8MB |
(2) 1M x 36 |
None |
None |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
None |
|
16MB |
(2) 2M x 36 |
None |
None |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
None |
|
24MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 4M x 36 |
None |
None |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
None |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
None |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
None |
|
48MB |
(2) 4M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
56MB |
(2) 4M x 36 |
(2) 2M x 36 |
(2) 1M x 36 |
|
64MB |
(2) 8M x 36 |
None |
None |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
None |
|
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
None |
|
80MB |
(2) 8M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
88MB |
(2) 8M x 36 |
(2) 2M x 36 |
(2) 1M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
None |
|
96MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
|
DRAM CONFIGURATION (CON’T) | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
104MB |
(2) 8M x 36 |
(2) 4M x 36 |
(2) 1M x 36 |
|
112MB |
(2) 8M x 36 |
(2) 4M x 36 |
(2) 2M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 16M x 36 |
None |
None |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
None |
|
136MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 1M x 36 |
|
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
None |
|
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
None |
|
144MB |
(2) 16M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
None |
|
160MB |
(2) 16M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
|
168MB |
(2) 16M x 36 |
(2) 4M x 36 |
(2) 1M x 36 |
|
176MB |
(2) 16M x 36 |
(2) 4M x 36 |
(2) 2M x 36 |
|
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
None |
|
192MB |
(2) 16M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
200MB |
(2) 16M x 36 |
(2) 8M x 36 |
(2) 1M x 36 |
|
208MB |
(2) 16M x 36 |
(2) 8M x 36 |
(2) 2M x 36 |
|
224MB |
(2) 16M x 36 |
(2) 8M x 36 |
(2) 4M x 36 |
|
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
None |
|
256MB |
(2) 16M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
|
256MB |
(2) 32M x 36 |
None |
None |
|
264MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 1M x 36 |
|
272MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 2M x 36 |
|
288MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 4M x 36 |
|
320MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 8M x 36 |
|
384MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
|
512MB |
(2) 32M x 36 |
(2) 32M x 36 |
None |
|
520MB |
(2) 32M x 36 |
(2) 32M x 36 |
(2) 1M x 36 |
|
528MB |
(2) 32M x 36 |
(2) 32M x 36 |
(2) 2M x 36 |
|
544MB |
(2) 32M x 36 |
(2) 32M x 36 |
(2) 4M x 36 |
|
576MB |
(2) 32M x 36 |
(2) 32M x 36 |
(2) 8M x 36 |
|
640MB |
(2) 32M x 36 |
(2) 32M x 36 |
(2) 16M x 36 |
|
768MB |
(2) 32M x 36 |
(2) 32M x 36 |
(2) 32M x 36 |
|
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Do not use 16M x 36 SIMMs that have more than 36 chips per SIMM. | |||
|
CACHE CONFIGURATION |
|
Note: 256KB/512KB cache is located on the Pentium II CPU. |
|
CPU SPEED SELECTION | |||||
|
CPU speed |
Clock speed |
Multiplier |
J16 |
J17 |
J18 |
|
200MHz |
66MHz |
3x |
Closed |
Open |
Closed |
|
233MHz |
66MHz |
3.5x |
Closed |
Open |
Closed |
|
266MHz |
66MHz |
4x |
Closed |
Open |
Closed |
|
300MHz |
66MHz |
4.5x |
Closed |
Open |
Closed |
|
CPU SPEED SELECTION (CON’T) | |||||
|
CPU speed |
Clock speed |
Multiplier |
J19 |
J21 |
J22 |
|
200MHz |
66MHz |
3x |
Open |
1 & 2 |
1 & 2, 5 & 6, 7 & 8 |
|
233MHz |
66MHz |
3.5x |
Open |
1 & 2 |
5 & 6, 7 & 8 |
|
266MHz |
66MHz |
4x |
Open |
1 & 2 |
1 & 2, 3 & 4, 7 & 8 |
|
300MHz |
66MHz |
4.5x |
Open |
1 & 2 |
3 & 4, 7 & 8 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU VOLTAGE SELECTION | ||
|
Voltage |
J12 | |
|
1.8v |
Pins 1 & 6, 2 & 7, 4 & 9 closed | |
|
1.85v |
Pins 1 & 6, 2 & 7, 4 & 9, 5 & 10 closed | |
|
1.9v |
Pins 1 & 6, 2 & 7, 3 & 8 closed | |
|
1.95v |
Pins 1 & 6, 2 & 7, 3 & 8, 5 & 10 closed | |
|
2.0v |
Pins 1 & 6, 2 & 7, 3 & 8, 4 & 9 closed | |
|
2.05v |
Pins 1 & 6, 2 & 7, 3 & 8, 4 & 9, 5 & 10 closed | |
|
2.1v |
Pins 5 & 10 closed | |
|
2.2v |
Pins 4 & 9 closed | |
|
2.3v |
Pins 4 & 9, 5 & 10 closed | |
|
2.4v |
Pins 3 & 8 closed | |
|
2.5v |
Pins 3 & 8, 5 & 10 closed | |
|
2.6v |
Pins 3 & 8, 4 & 9 closed | |
|
2.7v |
Pins 3 & 8, 4 & 9, 5 & 10 closed | |
| » |
2.8v |
Pins 2 & 7 closed |
|
2.9v |
Pins 2 & 7, 5 & 10 closed | |
|
3.0v |
Pins 2 & 7, 4 & 9 closed | |
|
3.1v |
Pins 2 & 7, 4 & 9, 5 & 10 closed | |
|
3.2v |
Pins 2 & 7, 3 & 8 closed | |
|
3.3v |
Pins 2 & 7, 3 & 8, 5 & 10 closed | |
|
3.4v |
Pins 2 & 7, 3 & 8, 4 & 9 closed | |
|
3.5v |
Pins 2 & 7, 3 & 8, 4 & 9, 5 & 10 closed | |