JOINDATA SYSTEMS, INC. G486U/G486USX Processor 80486SX/80487SX/80486DX Processor Speed 20/25/33/50MHz Chip Set UMC Max. Onboard DRAM 64MB Cache 64/128/256KB BIOS AMI/MR Dimensions 215mm x 330mm I/O Options None NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location Reset switch J9 Speaker J12 Turbo switch J11 Power LED & keylock J13 Turbo LED J10 External battery J14 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP15 Closed Monitor type select monochrome JP15 Open DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (4) 256K x 9 NONE NONE NONE 2MB (4) 256K x 9 (4) 256K x 9 NONE NONE 3MB (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 NONE 4MB (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE NONE NONE 5MB (4) 256K x 9 (4) 1 M x 9 NONE NONE 6MB (4) 256K x 9 (4) 256K x 9 (4) 1 M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 NONE NONE 9MB (4) 256K x 9 (4) 1M x 9 (4) 1M x 9 NONE 10MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 (4) 1M x 9 12MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 NONE 16MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE NONE NONE 20MB (4) 1M x 9 (4) 4M x 9 NONE NONE 24MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 NONE 32MB (4) 4M x 9 (4) 4M x 9 NONE NONE 36MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 NONE 40MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 48MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 NONE 64MB (4) 4M x 9 (4) 4M x 9 (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 (3) 16K x 4 128KB (4) 32K x 8 NONE (3) 16K x 4 256KB (4) 32K x 8 (4) 32K x 8 (3) 16K x 4 CACHE JUMPER CONFIGURATION Size W14 W15 W16 W17 W18 64KB 1 & 2 Open 1 & 2 1 & 2 2 & 3 128KB 2 & 3 1 & 2 1 & 2 2 & 3 2 & 3 256KB 1 & 2 2 & 3 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type W5 W10 W11 W12 W13 80486SX Closed Open Open Open pins 1 & 2 closed 80487SX Open Closed pins 2 & 3 Closed pins 2 & 3 closed closed 80486DX Open Closed pins 1 & 2 Closed pins 2 & 3 closed closed