M TECHNOLOGIES, INC.
R512 PENTIUM PCI
Processor | Pentium |
Processor Speed | 60/66MHz |
Chip Set | SIS |
Max. Onboard DRAM | 128MB |
Cache | 256/512/1024/2048KB |
BIOS | Award |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit PCI slots (4), green PC connector |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Power LED & keylock | J1 | Reset switch | J5 |
Speaker | J2 | Green PC connector | J6 |
Turbo switch | J3 | Green PC connector | JP6 |
Turbo LED | J4 | 32-bit PCI slots | PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | JP16 | N/A |
» | Factory configured - do not alter | JP18 | N/A |
» | Pipeline mode disabled | JP20 | pins 1 & 2 closed |
Pipeline mode enabled | JP20 | pins 2 & 3 closed | |
» | Monitor type select monochrome | JP24 | Open |
Monitor type select EGA/VGA | JP24 | Closed | |
» | Factory configured - do not alter | JP25 | N/A |
» | Factory configured - do not alter | JP26 | N/A |
» | CMOS memory normal operation | JP28 | pins 1 & 2 closed |
CMOS memory clear | JP28 | pins 2 & 3 closed |
DRAM CONFIGURATION (MODE 1) | ||
Size | Bank 0 | Bank 1 |
2MB | (2) 256K x 36 | NONE |
4MB | (2) 256K x 36 | (2) 256K x 36 |
8MB | (2) 1M x 36 | NONE |
16MB | (2) 1M x 36 | (2) 1M x 36 |
24MB | (2) 1M x 36 | (2) 2M x 36 |
32MB | (2) 4M x 36 | NONE |
40MB | (2) 1M x 36 | (2) 4M x 36 |
64MB | (2) 4M x 36 | (2) 4M x 36 |
DRAM CONFIGURATION (MODE 2) | ||
Size | Bank 0 | Bank 1 |
4MB | (2) 512K x 36 | NONE |
8MB | (2) 512K x 36 | (2) 512K x 36 |
12MB | (2) 512K x 36 | (2) 1M x 36 |
16MB | (2) 2M x 36 | NONE |
20MB | (2) 512K x 36 | (2) 2M x 36 |
32MB | (2) 2M x 36 | (2) 2M x 36 |
36MB | (2) 512K x 36 | (2) 4M x 36 |
48MB | (2) 2M x 36 | (2) 4M x 36 |
64MB | (2) 8M x 36 | NONE |
80MB | (2) 2M x 36 | (2) 8M x 36 |
128MB | (2) 8M x 36 | (2) 8M x 36 |
DRAM JUMPER CONFIGURATION | ||
Type | JP1 | JP2 |
Mode 1 | pins 1 & 2 closed | pins 1 & 2 closed |
Mode 2 | pins 2 & 3 closed | pins 2 & 3 closed |
Note: Mode 1 = Single sided SIMM in Bank 0 & single or double sided SIMM in Bank 1. Mode 2 = Double sided SIMM in Bank 0 & single or double sided SIMM in Bank 1. |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
256KB | (8) 32K x 8 | NONE | (1) 32K x 8 |
512KB | (8) 32K x 8 | (8) 32K x 8 | (1) 32K x 8 |
512KB | (8) 64K x 8 | NONE | (1) 32K x 8 |
1MB | (8) 64K x 8 | (8) 64K x 8 | (1) 32K x 8 |
1MB | (8) 128K x 8 | NONE | (1) 32K x 8 |
2MB | (8) 128K x 8 | (8) 128K x 8 | (1) 64K x 8 |
CACHE JUMPER CONFIGURATION | ||||||
Size | JP10 | JP11 | JP12 | JP13 | JP14 | JP15 |
256KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
512KB | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 |
512KB | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 |
1MB | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 |
1MB | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
2MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | |
Speed | JP22 |
60MHz | Open |
66MHz | Closed |