RELIALOGIC CORPORATION PRIVATE, LTD.
R486 VLQMBC
| 
 Processor  | 
 80486SX/80486DX/80486DX2  | 
| 
 Processor Speed  | 
 25/33/50(internal)/66(internal)MHz  | 
| 
 Chip Set  | 
 ALI  | 
| 
 Max. Onboard DRAM  | 
 32MB  | 
| 
 Cache  | 
 64/128/256KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 32-bit VESA local bus slots (2)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Power LED & keylock  | 
 J1  | 
 Reset switch  | 
 J5  | 
| 
 Speaker  | 
 J2  | 
 External battery  | 
 JP17  | 
| 
 Turbo switch  | 
 J3  | 
 32-bit VESA Local bus slots  | 
 SL1 & SL2  | 
| 
 Turbo LED  | 
 J4  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Monitor type select color  | 
 JP12  | 
 Closed  | 
| 
 Monitor type select monochrome  | 
 JP12  | 
 Open  | |
| 
 »  | 
 CMOS memory normal operation  | 
 JP16  | 
 pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 JP16  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP33  | 
 pins 2 & 4 closed  | 
| 
 »  | 
 Weitek Power 9000 VLB card not installed  | 
 JP89  | 
 Closed  | 
| 
 Weitek Power 9000 VLB card installed  | 
 JP89  | 
 Open  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP94  | 
 pins 1 & 2 closed  | 
| 
 Note: The location of JP94 is unidentified.  | |||
| 
 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  | 
| 
 20MB  | 
 (4) 4M x 9  | 
 (4) 1M x 9  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 U6 to U9  | 
 U10 to U13  | 
 TAG  | 
| 
 64KB  | 
 (4) 8K x 8  | 
 (4) 8K x 8  | 
 (1) 8K x 8  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 NONE  | 
 (1) 8K x 8  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 (1) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | ||
| 
 Size  | 
 JP7  | 
 JP8  | 
| 
 64KB  | 
 pins 2 & 3 closed  | 
 pins 2 & 4 closed  | 
| 
 128KB  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 256KB  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 CPU SPEED CONFIGURATION  | ||||||
| 
 Speed  | 
 JP2  | 
 JP3  | 
 JP4  | 
 ID2  | 
 ID3  | 
 JP72  | 
| 
 25MHz  | 
 Pins 2 & 3 closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 33MHz (SX)  | 
 Pins 2 & 3 closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 33MHz  | 
 Pins 1 & 2, 3 & 4 closed  | 
 Pins 2 & 3 closed  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 50iMHz  | 
 Pins 2 & 3 closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 66iMHz  | 
 Pins 1 & 2, 3 & 4 closed  | 
 Pins 2 & 3 closed  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  |