UNIDENTIFIED PMS486DS Processor 80486DX Processor Speed 20/25/33/50MHz Chip Set OPTI Max. Onboard DRAM 32MB Cache 64/128/256/512KB BIOS AMI Dimensions 330.2mm x 218.4mm I/O Options None NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location External battery J3 Speaker J18 Turbo switch J16 Power LED & keylock J19 Reset switch J17 Turbo LED J20 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation J4 pins 2 & 3 closed CMOS memory clear J4 pins 1 & 2 closed » Monitor type select color J5 closed Monitor type select monochrome J5 open » CPU speed select iOSC/2 J9 pins 2 & 3 closed CPU speed select iOSC J9 pins 1 & 2 closed Bus speed select ATCLK/6 J10 closed Bus speed select ATCLK/4 J10 open 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 17MB (4) 256K x 9 (4) 4M x 9 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size Cache CACHE Location TAG (U42) TAG (U55) 64KB (8) 8K x 8 Bank 0 (1) 64K x 1 (1) 8K x 8 128KB (16) 8K x 8 Banks 0 & 1 (1) 64K x 1 (1) 8K x 8 256KB (8) 32K x 8 Bank 0 (1) 64K x 1 (1) 32K x 8 512KB (16) 32K x 8 Banks 0 & 1 (1) 64K x 1 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size J11 J12 J13 J14 J15 64KB open open open open pins 2 & 3 closed 128KB open open closed closed pins 2 & 3 closed 256KB open closed closed closed pins 2 & 3 closed 512KB closed closed closed closed pins 1 & 2 closed CPU JUMPER CONFIGURATION CPU J6 J7 J8 80486DX pins 1 & 2 closed closed pins 2 & 3 closed 80487SX pins 2 & 3 closed closed pins 2 & 3 closed 80486SX open open pins 1 & 2 closed