EFA CORPORATION
ECA 510
| 
 Processor  | 
 80386DX/80486SX/80486DX  | 
| 
 Processor Speed  | 
 16/20/25/33/40/50MHz  | 
| 
 Chip Set  | 
 UMC  | 
| 
 Max. Onboard DRAM  | 
 32MB  | 
| 
 Cache  | 
 64/128/256KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 280mm x 218mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 4167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J4  | 
 Power LED & keylock  | 
 J18  | 
| 
 Reset switch  | 
 J15  | 
 Speaker  | 
 J19  | 
| 
 Turbo LED  | 
 J16  | 
 Riser card  | 
 R1  | 
| 
 Turbo switch  | 
 J17  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| » | 
 Monitor type select color  | 
 J5  | 
 Open  | 
| 
 Monitor type select monochrome  | 
 J5  | 
 Closed  | |
| » | 
 Factory configured - do not alter  | 
 J10  | 
 N/A  | 
| » | 
 Factory configured - do not alter  | 
 J21  | 
 N/A  | 
| » | 
 BIOS type select 27512  | 
 JP1  | 
 pins 2 & 3 closed  | 
| 
 BIOS type select 271024  | 
 JP1  | 
 pins 1 & 2 closed  | |
| » | 
 Factory configured - do not alter  | 
 S1/5  | 
 N/A  | 
| » | 
 Factory configured - do not alter  | 
 S1/8  | 
 N/A  | 
| 
 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  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 64KB  | 
 (4) 8K x 8  | 
 (4) 8K x 8  | 
 (4) 16K x 4  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 NONE  | 
 (4) 16K x 4  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 (4) 16K x 4  | 
| 
 CACHE JUMPER CONFIGURATION  | |||||
| 
 Size  | 
 J1  | 
 J2  | 
 J3  | 
 J13  | 
 J14  | 
| 
 64KB  | 
 2 & 3  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 N/A  | 
| 
 128KB  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
| 
 256KB  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 Note:Pins designated should be in the closed position.  | |||||
| 
 CPU SWITCH CONFIGURATION (A)  | ||||||||||
| 
 Type  | 
 S1/1  | 
 S1/2  | 
 S1/3  | 
 S1/4  | 
 S1/6  | 
 S1/7  | 
 S3/1  | 
 S3/2  | 
 S3/3  | 
 S3/4  | 
| 
 80386DX  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 80486SX  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 80486DX  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 Note: All CPU configurations (Tables A & B) must be set for proper operation.  | ||||||||||
| 
 CPU TYPE CONFIGURATION (B)  | ||||
| 
 Type  | 
 S2/1  | 
 S2/2  | 
 S2/3  | 
 S2/4  | 
| 
 80386DX-16  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 80386DX-20  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 80386DX-33  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 80386DX-40  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 80486SX-20  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 80486DX-25  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 80486DX-33  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 80486DX-50  | 
 Off  | 
 Off  | 
 Off  | 
 Off  |