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 (CONT) | ||||
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 (CONT) | ||||
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 (CONT) | ||||||
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 |