M TECHNOLOGY, INC.
R552 PENTIUM PCI/ISA
|
Processor |
CX M1/AM K5/Pentium |
|
Processor Speed |
75/90/100/120/133/150/166/180/200MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB |
|
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), cache slot, USB connectors (2), ATX power connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
ATX power connector |
ATX |
Speaker |
J2 |
|
Serial port 2 |
CN1 |
Reset switch |
J3 |
|
Parallel port |
CN2 |
Green PC connector |
J4 |
|
PS/2 mouse port |
CN3 |
IDE interface LED |
J5 |
|
Serial port 1 |
CN4 |
32-bit PCI slots |
PC1 - PC4 |
|
Floppy drive interface |
CN5 |
Cache slot |
SL1 |
|
IDE interface 1 |
CN6 |
USB connector 1 |
USB1 |
|
IDE interface 2 |
CN7 |
USB connector 2 |
USB2 |
|
Power LED & keylock |
J1 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
CMOS memory normal operation |
JP14 |
Open |
|
CMOS memory clear |
JP14 |
Closed | |
|
Monitor type select CGA |
JP15 |
Closed | |
|
Monitor type select monochrome/EGA/VGA |
JP15 |
Open | |
|
» |
PS/2 mouse enabled |
JP16 |
Pins 1 & 2 closed |
|
PS/2 mouse disabled |
JP16 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
4MB |
(2) 512K x 36 |
None |
|
6MB |
(2) 512K x 36 |
(2) 256K x 36 |
|
8MB |
(2) 1M x 36 |
None |
|
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
|
12MB |
(2) 1M x 36 |
(2) 512K x 36 |
|
16MB |
(2) 2M x 36 |
None |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
20MB |
(2) 2M x 36 |
(2) 512K x 36 |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 4M x 36 |
None |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
36MB |
(2) 4M x 36 |
(2) 512K x 36 |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
|
64MB |
(2) 8M x 36 |
None |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
68MB |
(2) 8M x 36 |
(2) 512K x 36 |
|
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
|
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
Note: Board accepts EDO memory. If these configurations are used, DIMM sockets must be empty. Board also accepts x 32 SIMMs. | ||
|
DIMM CONFIGURATION | ||
|
Size |
Bank 2 |
Bank 3 |
|
8MB |
(1) 1M x 64 |
None |
|
16MB |
(1) 2M x 64 |
None |
|
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
|
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
|
32MB |
(1) 4M x 64 |
None |
|
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
|
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
|
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
|
64MB |
(1) 8M x 64 |
None |
|
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
|
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
|
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
|
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
|
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
|
Note: If these configurations are used, DIMM sockets must be empty. | ||
|
DIMM VOLTAGE CONFIGURATION | |
|
Voltage |
JP10 |
|
3.3v |
Pins 3 & 5, 4 & 6, closed |
|
5v |
Pins 1 & 3, 2 & 4 closed |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
SL1 |
TAG |
|
256KB |
(2) 32K x 32 |
Not installed |
(1) 32K x 8 |
|
512KB |
(2) 32K x 32 |
256KB module installed |
(1) 32K x 8 |
|
512KB |
(2) 64K x 32 |
256KB module installed |
(1) 32K x 8 |
|
CPU SPEED SELECTION (CYRIX) | ||||||||
|
CPU speed |
Clock speed |
Multiplier |
JP6 |
JP7 |
JP8 |
JP500 |
JP501 |
JP502 |
|
120MHz |
50MHz |
2x |
Open |
Closed |
Open |
Open |
Open |
Open |
|
133MHz |
55MHz |
2x |
Open |
Closed |
Open |
Closed |
Open |
Open |
|
150MHz |
60MHz |
2x |
Closed |
Closed |
Open |
Open |
Open |
Closed |
|
166MHz |
66MHz |
2x |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
CPU SPEED SELECTION (AMD) | ||||||||
|
CPU speed |
Clock speed |
Multiplier |
JP6 |
JP7 |
JP8 |
JP500 |
JP501 |
JP502 |
|
75MHz |
50MHz |
1.5x |
Open |
Open |
Open |
Open |
Open |
Open |
|
90MHz |
60MHz |
1.5x |
Closed |
Open |
Open |
Open |
Open |
Closed |
|
100MHz |
66MHz |
1.5x |
Open |
Open |
Open |
Open |
Closed |
Open |
|
CPU SPEED SELECTION (INTEL) | ||||||||
|
CPU speed |
Clock speed |
Multiplier |
JP6 |
JP7 |
JP8 |
JP500 |
JP501 |
JP502 |
|
75MHz |
50MHz |
1.5x |
Open |
Open |
Open |
Open |
Open |
Open |
|
90MHz |
60MHz |
1.5x |
Closed |
Open |
Open |
Open |
Open |
Closed |
|
100MHz |
66MHz |
1.5x |
Open |
Open |
Open |
Open |
Closed |
Open |
|
120MHz |
60MHz |
2x |
Closed |
Closed |
Open |
Open |
Open |
Closed |
|
133MHz |
66MHz |
2x |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
150MHz |
60MHz |
2.5x |
Closed |
Closed |
Closed |
Open |
Open |
Closed |
|
166MHz |
66MHz |
2.5x |
Open |
Closed |
Closed |
Open |
Closed |
Open |
|
180MHz |
60MHz |
3x |
Closed |
Open |
Closed |
Open |
Open |
Closed |
|
200MHz |
66MHz |
3x |
Open |
Open |
Closed |
Open |
Closed |
Open |
|
CPU VOLTAGE SELECTION (SINGLE POWER CPU) | |||
|
CPU type |
Voltage |
JP5 |
JP9 |
|
CX M1/AM K5/P54C |
3.3v |
1 & 2, 3 & 4, 5 & 6 |
1 & 2, 3 & 4 |
|
CX M1/AM K5/P54C |
3.45v |
1 & 2, 3 & 4, 5 & 6 |
1 & 2 |
|
CX M1/AM K5/P54C |
3.5v |
1 & 2, 3 & 4, 5 & 6 |
Open |
|
Note: Pins designated should be in the closed position. | |||
|
CPU VOLTAGE SELECTION(DUAL POWER CPU) | |||||
|
CPU type |
Voltage 1 |
Voltage 2 |
JP5 |
JP9 |
JP19 |
|
P55C |
3.3v |
2.5v |
Open |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
P55C |
3.45v |
2.7v |
Open |
1 & 2 |
1 & 2 |
|
P55C |
3.5v |
2.8v |
Open |
Open |
Open |
|
Note: Pins designated should be in the closed position. | |||||
|
FLASH BIOS SELECTION | ||
|
Voltage |
JP17 |
JP18 |
|
None |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
5v |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
12v |
Pins 2 & 3 closed |
Pins 2 & 3 closed |