TMC RESEARCH CORPORATION
PAT3XAL (VER. 2.0)
Processor |
80386SX/CX486SLC |
Processor Speed |
20/25/33/40MHz |
Chip Set |
VLSI |
Max. Onboard DRAM |
16MB |
Cache |
None |
BIOS |
Unidentified |
Dimensions |
220mm x 220mm |
I/O Options |
None |
NPU Options |
80387SX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J4 |
Turbo LED |
J8 (pins 1 - 2) |
Reset switch |
J6 |
Turbo switch |
J8 (pins 4 - 5) |
Speaker |
J7 |
Power LED & keylock |
J9 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
NPU synchronous with CPU |
JP2 |
Open |
NPU asynchronous with CPU |
JP2 |
Closed | |
|
Monitor type select monochrome |
JP4 |
Open |
Monitor type select color |
JP4 |
Closed | |
|
Battery type select internal |
JP7 |
pins 1 & 2 closed |
Battery type select external |
JP7 |
Open | |
CMOS memory clear |
JP7 |
pins 2 & 3 closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
512KB |
(2) 256K x 9 |
NONE |
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
2MB |
(2) 1M x 9 |
NONE |
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
8MB |
(2) 4M x 9 |
NONE |
16MB |
(2) 4M x 9 |
(2) 4M x 9 |
CPU SPEED CONFIGURATION | ||
Speed |
JP1 |
JP5 |
20MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
25MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
33MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
40MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |