TMC RESEARCH CORPORATION
PAT48PM
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/40(internal)/50/66(internal)MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
None |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J1 pins 1 - 4 |
IDE LED in |
J1 pins 10 & 20 |
|
Turbo switch |
J1 pins 7 & 17 |
Power LED & keylock |
J1 pins 11 - 15 |
|
Turbo LED |
J1 pins 8 & 18 |
IDE LED out |
J2 |
|
Reset switch |
J1 pins 9 & 19 |
External battery |
J4 |
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Jumper |
Position |
|
|
|
CMOS memory normal operation (internal battery) |
JP1 |
pins 2 & 3 closed |
|
|
CMOS memory normal operation (external battery at J4) |
JP1 |
Open |
|
|
CMOS memory clear |
JP1 |
pins 1 & 2 closed |
|
|
Bus speed select CLKIN/4 |
JP2 |
Open |
|
|
Bus speed select CLKIN/6 |
JP2 |
Closed |
|
|
Monitor type select color |
JP3 |
Closed |
|
|
Monitor type select monochrome |
JP3 |
Open |
|
|
CPU speed (CLKIN) select iOSC/1 |
JP4 |
pins 1 & 2 closed |
|
|
CPU speed (CLKIN) select iOSC/2 |
JP4 |
pins 2 & 3 closed |
|
DRAM CONFIGURATION |
||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
TAG (U41) |
TAG (U42) |
Resistor Installed |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 4K x 1 |
RND |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 16K x 1 |
RND |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 64K x 1 |
RND |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
(1) 16K x 1 |
RNE |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
(1) 64K x 1 |
RNE |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 16K x 1 |
RNF |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 64K x 1 |
RNF |
|
Notes: If DRAM is £ 16MB, all cache sizes may be installed; if DRAM is >16MB, 128 or 256KB cache must be installed. |
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|
CPU TYPE CONFIGURATION |
|||
|
Type |
RNA |
RNB |
RNC |
|
80486SX |
Not installed |
Not installed |
Installed |
|
80487SX |
Not installed |
Installed |
Not installed |
|
ODP486SX |
Not installed |
Installed |
Not installed |
|
80486DX |
Installed |
Not installed |
Not installed |
|
80486DX2 |
Installed |
Not installed |
Not installed |