M TECHNOLOGY, INC.
R651 PENTIUM PRO
|
Processor |
Pentium Pro |
|
Processor Speed |
150/166/180/200MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
1GB (BEDO/EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB (located on Pentium Pro CPU) |
|
BIOS |
Award |
|
Dimensions |
304mm x 244mm |
|
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), USB connectors (2), ATX power connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
ATX power connector |
ATX |
Speaker |
J2 |
|
Serial port 2 |
CN1 |
Turbo switch |
J3 |
|
Parallel port |
CN2 |
Turbo LED |
J4 |
|
PS/2 mouse port |
CN3 |
Reset switch |
J5 |
|
Serial port 1 |
CN4 |
Green PC connector |
J6 |
|
Floppy drive interface |
CN5 |
IDE interface LED |
J7 |
|
IDE interface 2 |
CN6 |
32-bit PCI slots |
PC1 - PC4 |
|
IDE interface 1 |
CN7 |
USB connector 1 |
USB1 |
|
Power LED & keylock |
J1 |
USB connector 2 |
USB2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
ATX power supply enabled |
JP4 |
Closed | |
|
ATX power supply disabled |
JP4 |
Open | |
|
» |
Factory configured - do not alter |
JP9 |
Unidentified |
|
» |
Flash BIOS write protect disabled |
JP14 |
Pins 2 & 3 closed |
|
Flash BIOS write protect enabled |
JP14 |
Pins 1 & 2 closed | |
|
» |
CMOS memory normal operation |
JP15 |
Open |
|
CMOS memory clear |
JP15 |
Closed | |
|
» |
Monitor type select monochrome/VGA |
JP16 |
Open |
|
Monitor type select CGA |
JP16 |
Closed | |
|
Flash BIOS voltage select 12v |
JP17 |
Pins 2 & 3 closed | |
|
Flash BIOS voltage select 5v |
JP17 |
Pins 1 & 2 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 |
|
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 |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
48MB |
(2) 4M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
None |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
None |
None |
|
56MB |
(2) 1M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M 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) 1M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
None |
|
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
None |
None |
|
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
None |
None |
|
80MB |
(2) 2M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
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 |
|
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
None |
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 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
None |
None |
|
104MB |
(2) 1M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
112MB |
(2) 2M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M 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) 1M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
None |
|
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
None |
None |
|
144MB |
(2) 2M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
None |
|
144MB |
(2) 2M x 36 |
(2) 16M x 36 |
None |
None |
|
144MB |
(2) 16M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
None |
|
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
None |
None |
|
152MB |
(2) 16M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
160MB |
(2) 4M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
None |
|
160MB |
(2) 4M x 36 |
(2) 16M 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 |
|
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
None |
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) 8M x 36 |
(2) 16M x 36 |
None |
None |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
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) 1M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
|
208MB |
(2) 2M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
|
224MB |
(2) 4M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M 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) 32M x 36 |
None |
None |
None |
|
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) 1M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
None |
|
264MB |
(2) 32M x 36 |
(2) 1M x 36 |
None |
None |
|
272MB |
(2) 2M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
None |
|
272MB |
(2) 32M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
None |
|
272MB |
(2) 32M x 36 |
(2) 2M x 36 |
None |
None |
|
280MB |
(2) 32M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
288MB |
(2) 4M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
None |
|
288MB |
(2) 32M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
None |
|
288MB |
(2) 32M x 36 |
(2) 4M x 36 |
None |
None |
|
304MB |
(2) 32M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
|
320MB |
(2) 8M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
None |
|
320MB |
(2) 32M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
None |
|
320MB |
(2) 32M x 36 |
(2) 8M x 36 |
None |
None |
|
320MB |
(2) 16M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
|
352MB |
(2) 32M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
384MB |
(2) 32M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
None |
|
384MB |
(2) 32M x 36 |
(2) 16M x 36 |
None |
None |
|
384MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
None |
|
392MB |
(2) 1M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
|
400MB |
(2) 2M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
|
416MB |
(2) 4M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
|
448MB |
(2) 8M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
|
448MB |
(2) 32M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 8M x 36 |
|
512MB |
(2) 32M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
None |
|
512MB |
(2) 32M x 36 |
(2) 32M x 36 |
None |
None |
|
512MB |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
|
640MB |
(2) 32M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
(2) 16M x 36 |
|
768MB |
(2) 32M x 36 |
(2) 32M x 36 |
(2) 32M x 36 |
None |
|
1GB |
(2) 32M x 36 |
(2) 32M x 36 |
(2) 32M x 36 |
(2) 32M x 36 |
|
Note: Board accepts BEDO/EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable. | ||||
|
CACHE CONFIGURATION |
|
Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
|
CPU SPEED SELECTION | ||||||
|
CPU speed |
Clock speed |
Multiplier |
JP1 |
JP2 |
JP7 |
JP8 |
|
150MHz |
60MHz |
2.5x |
Open |
Closed |
Open |
Closed |
|
166MHz |
66MHz |
2.5x |
Closed |
Open |
Closed |
Open |
|
180MHz |
60MHz |
3x |
Open |
Closed |
Open |
Closed |
|
200MHz |
66MHz |
3x |
Closed |
Open |
Closed |
Open |
|
CPU SPEED SELECTION (CON’T) | ||||||
|
CPU speed |
Clock speed |
Multiplier |
JP10 |
JP11 |
JP12 |
JP13 |
|
150MHz |
60MHz |
2.5x |
Open |
Closed |
Closed |
Closed |
|
166MHz |
66MHz |
2.5x |
Open |
Closed |
Closed |
Closed |
|
180MHz |
60MHz |
3x |
Closed |
Open |
Closed |
Closed |
|
200MHz |
66MHz |
3x |
Closed |
Open |
Closed |
Closed |