TMC RESEARCH CORPORATION
PAT34PV
| 
 Processor  | 
 80386DX/CX486DLC/80486SX/80487SX/80486DX/ODP486SX 80486DX2/ODP586SX  | 
| 
 Processor Speed  | 
 25/33/40/50(internal)/50/66(internal)MHz  | 
| 
 Chip Set  | 
 OPTI  | 
| 
 Max. Onboard DRAM  | 
 32MB  | 
| 
 Cache  | 
 64/128/256KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 235mm x 220mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80387  | 

| 
 CONNECTIONS  | 
|||
| 
 Funcation  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J1  | 
 Reset switch  | 
 J5/pins 9 & 19  | 
| 
 Speaker  | 
 J5/pins 1 - 4  | 
 IDE interface LED  | 
 J5/pins 10 & 20  | 
| 
 Turbo switch  | 
 J5/pins 7 & 17  | 
 Power LED & keylock  | 
 J5/pins 11 - 15  | 
| 
 Turbo LED  | 
 J5/pins 8 & 18  | 
 IDE interface LED  | 
 J6  | 
| 
 USER CONFIGURABLE SETTINGS  | 
|||
| 
 Function  | 
 Location  | 
 Setting  | 
|
| 
 »  | 
 Monitor type select color  | 
 JP1  | 
 closed  | 
| 
 
  | 
 Monitor type select monochrome  | 
 JP1  | 
 open  | 
| 
 »  | 
 CMOS memory normal (internal battery)  | 
 JP2  | 
 pins 2 & 3 closed  | 
| 
 
  | 
 CMOS memory normal (external battery)  | 
 JP2  | 
 open  | 
| 
 
  | 
 CMOS memory clear  | 
 JP2  | 
 pins 1 & 2 closed  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP3  | 
 N/A  | 
| 
 »  | 
 VESA bus speed select £ 33MHz | 
 JP4  | 
 open  | 
| 
 
  | 
 VESA bus speed select > 33MHz  | 
 JP4  | 
 closed  | 
| 
 »  | 
 VESA bus wait states select 0 (CPU £ 33MHz) | 
 JP5  | 
 open  | 
| 
 
  | 
 VESA bus wait state select 1 (CPU > 33MHz)  | 
 JP5  | 
 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) 1M x 9  | 
 (4) 4M x 9  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 CACHE CONFIGURATION  | 
|||
| 
 Size  | 
 Cache  | 
 Location  | 
 TAG(U39)  | 
| 
 64KB  | 
 (8) 8K x 8  | 
 Banks 0 & 1  | 
 (1) 8K x 8  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 Bank 0  | 
 (1) 8K x 8  | 
| 
 256KB  | 
 (8) 32K x 8  | 
 Banks 0 & 1  | 
 (1) 32K x 8  | 
| 
 CACHE RESISTOR NETWORK CONFIGURATION  | 
|||
| 
 Size  | 
 RND  | 
 RNE  | 
 RNF  | 
| 
 64KB  | 
 closed  | 
 open  | 
 open  | 
| 
 128KB  | 
 open  | 
 closed  | 
 open  | 
| 
 256KB  | 
 open  | 
 open  | 
 closed  | 
| 
 CPU CONFIGURATION  | 
|||||
| 
 CPU  | 
 RNA  | 
 RNB  | 
 RNC  | 
 RN386  | 
 RN486  | 
| 
 80486DX2  | 
 closed  | 
 open  | 
 open  | 
 open  | 
 closed  | 
| 
 ODP487SX  | 
 open  | 
 closed  | 
 closed  | 
 open  | 
 closed  | 
| 
 80486DX  | 
 closed  | 
 open  | 
 open  | 
 open  | 
 closed  | 
| 
 80487SX  | 
 open  | 
 closed  | 
 open  | 
 open  | 
 closed  | 
| 
 80486SX  | 
 open  | 
 open  | 
 open  | 
 open  | 
 closed  | 
| 
 CX486DLC  | 
 N/A  | 
 N/A  | 
 N/A  | 
 closed  | 
 open  | 
| 
 80386DX  | 
 N/A  | 
 N/A  | 
 N/A  | 
 closed  | 
 open  | 
| 
 CPU SPEED RESISTOR NETWORK CONFIGURATION  | 
|||||
| 
 Speed  | 
 RNG1  | 
 RNG2  | 
 RNG3  | 
 RNG4  | 
 RNG5  | 
| 
 66(internal)MHz  | 
 N/A  | 
 N/A  | 
 open  | 
 closed  | 
 open  | 
| 
 50MHz  | 
 N/A  | 
 N/A  | 
 open  | 
 open  | 
 closed  | 
| 
 50(internal)MHz  | 
 N/A  | 
 N/A  | 
 closed  | 
 open  | 
 open  | 
| 
 50(internal)MHz  | 
 N/A  | 
 N/A  | 
 closed  | 
 open  | 
 open  | 
| 
 40MHz/486  | 
 N/A  | 
 N/A  | 
 open  | 
 closed  | 
 open  | 
| 
 40MHz/386  | 
 open  | 
 closed  | 
 open  | 
 closed  | 
 open  | 
| 
 33MHz/486  | 
 N/A  | 
 N/A  | 
 open  | 
 closed  | 
 open  | 
| 
 33MHz/386  | 
 closed  | 
 open  | 
 open  | 
 closed  | 
 open  | 
| 
 25MHz  | 
 N/A  | 
 N/A  | 
 closed  | 
 open  | 
 open  | 
| 
 VESA LOCAL BUS CONFIGURATION  | 
||
| 
 VESA cards supported  | 
 RNV1  | 
 RNV2  | 
| 
 2  | 
 open  | 
 closed  | 
| 
 1  | 
 closed  | 
 open  | 
| 
 Note:The manufacturer does not recommend using the two card setting with a 486DX/50MHz  | 
||