TMC RESEARCH CORPORATION
MAT48PX (EISA)
|
Processor |
80486SX/80487SX/80486DX |
|
Processor Speed |
16/20/25/33/50MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
256MB |
|
Cache |
64/128/256/512KB |
|
BIOS |
AMI |
|
Dimensions |
350mm x 304mm |
|
I/O Options |
None |
|
NPU Options |
4167 |

|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
IDE LED out |
J4 |
Reset switch |
J5 pins 9 & 19 |
|
Speaker |
J5 pins 1 - 4 |
IDE LED in |
J5 pins 10 & 20 |
|
Turbo switch |
J5 pins 7 & 17 |
Power LED & keylock |
J5 pins 11 - 15 |
|
Turbo LED |
J5 pins 8 & 18 |
|
|
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Monitor type select color |
JP5 |
Closed |
|
|
Monitor type select monochrome |
JP5 |
Open |
|
DRAM CONFIGURATION |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
24MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
|
28MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
36MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
|
40MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
|
52MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
NONE |
NONE |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
NONE |
|
192MB |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
|
256MB |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
|
CACHE CONFIGURATION |
|||||
|
Size |
Bank 0 |
Bank 1 |
TAG (U37) |
TAG (U38) |
TAG (U55) |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 16K x 1 |
(1) 16K x 1 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
(1) 16K x 1 |
(1) 16K x 1 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 16K x 1 |
(1) 16K x 1 |
|
512KB |
(4) 128K x 8 |
NONE |
(1) 32K x 8 |
(1) 64K x 1 |
(1) 64K x 1 |
|
Notes: If DRAM is £ 32MB, all cache sizes may be installed; if DRAM is > 32MB and £ 64MB,128, 256, or 512KB cache must be installed; if DRAM is > 64MB and £ 128MB, 256 or 512KB cache must be installed; if DRAM is > 128MB, 512KB cache must be installed. |
|||||
|
CACHE JUMPER CONFIGURATION |
||||
|
Size |
RNA1 & RNA2 |
RNB1 & RNB2 |
RNC1 & RNC2 |
RND1 & RND2 |
|
64KB |
Installed |
Not installed |
Not installed |
Not installed |
|
128KB |
Not installed |
Installed |
Not installed |
Not installed |
|
256KB |
Not installed |
Not installed |
Installed |
Not installed |
|
512KB |
Not installed |
Not installed |
Not installed |
Installed |
|
CPU TYPE CONFIGURATION |
||||
|
Type |
JP1 |
JP2 |
JP3 |
JP4 |
|
80486SX-16MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486SX-20MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486SX-25MHz |
pins 1 & 2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80487SX-16MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80487SX-20MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80487SX-25MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486DX-25MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486DX-33MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
80486DX-50MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
CPU TYPE CONFIGURATION |
|||
|
Type |
RNA3 |
RNB3 |
RNC3 |
|
80486SX-16MHz |
Not installed |
Not installed |
Installed |
|
80486SX-20MHz |
Not installed |
Not installed |
Installed |
|
80486SX-25MHz |
Not installed |
Not installed |
Installed |
|
80487SX-16MHz |
Not installed |
Not installed |
Not installed |
|
80487SX-20MHz |
Not installed |
Installed |
Not installed |
|
80487SX-25MHz |
Not installed |
Installed |
Not installed |
|
80486DX-25MHz |
Installed |
Not installed |
Not installed |
|
80486DX-33MHz |
Installed |
Not installed |
Not installed |
|
80486DX-50MHz |
Installed |
Not installed |
Not installed |