ACHME COMPUTER, INC. MS-4132 Processor 80486SX/SL80486SX/80487SX/AM486DX/80486DX/SL80486DX/AM486DX2/80486DX2/SL80486DX2 Processor 25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set SIS Max. 96MB Onboard DRAM Cache 128/256/512KB BIOS AMI/Phoenix Dimensions 260mm x 221mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Auxiliary keyboard CN1 Reset switch JFP pins 19 & connector 20 External battery JB Green PC connector JG1 (monitor) Power LED & JFP pins 1 - Green PC LED JG2 keylock 5 Speaker JFP pins 7 - Green PC connector JG3 10 Turbo LED JFP pins 12 & 32-bit VESA local SL1 - SL3 13 bus slots Turbo switch JFP pins 15 - 17 USER CONFIGURABLE SETTINGS Function Jumper Position » Battery type select internal JB pins 2 & 3 closed Battery type select external JB Closed » CPU type select PQFP CPU JC1 Open installed CPU type select PGA CPU JC1 Closed installed » Factory configured - do not JC5 N/A alter » Factory configured - do not JC6 N/A alter » Factory configured - do not JC7 N/A alter » Factory configured - do not JC9 N/A alter » Factory configured - do not JC10 N/A alter » Monitor type select monochrome JP1 Open Monitor type select color JP1 Closed » Factory configured - do not JP16 N/A alter » VESA local bus card select any JP23 Open card installed VESA local bus card select JP23 Closed special cards only DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 1MB NONE (1) 256K x 36 NONE 1MB (4) 256K x 9 NONE NONE 2MB NONE (1) 256K x 36 (1) 256K x 36 2MB NONE (1) 512K x 36 NONE 2MB (4) 256K x 9 (1) 256K x 36 NONE 4MB NONE (1) 512K x 36 (1) 512K x 36 4MB NONE (1) 1M x 36 NONE 4MB (4) 1M x 9 NONE NONE 5MB NONE (1) 256K x 36 (1) 1M x 36 5MB (4) 1M x 9 (1) 256K x 36 NONE 6MB NONE (1) 512K x 36 (1) 1M x 36 6MB (4) 1M x 9 (1) 512K x 36 NONE 6MB (4) 1M x 9 (1) 256K x 36 (1) 256K x 36 8MB NONE (1) 1M x 36 (1) 1M x 36 8MB NONE (1) 2M x 36 NONE 8MB (4) 1M x 9 (1) 1M x 36 NONE 8MB (4) 1M x 9 (1) 512K x 36 (1) 512K x 36 12MB (4) 1M x 9 (1) 1M x 36 (1) 1M x 36 16MB NONE (1) 2M x 36 (1) 2M x 36 16MB NONE (1) 4M x 36 NONE 16MB (4) 4M x 9 NONE NONE 17MB NONE (1) 256K x 36 (1) 4M x 36 17MB (4) 4M x 9 (1) 256K x 36 NONE 18MB NONE (1) 512K x 36 (1) 4M x 36 18MB (4) 4M x 9 (1) 512K x 36 NONE 18MB (4) 4M x 9 (1) 256K x 36 (1) 256K x 36 20MB NONE (1) 1M x 36 (1) 4M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 20MB (4) 4M x 9 (1) 1M x 36 NONE 20MB (4) 4M x 9 (1) 512K x 36 (1) 512K x 36 24MB (4) 4M x 9 (1) 1M x 36 (1) 1M x 36 32MB NONE (1) 4M x 36 (1) 4M x 36 32MB NONE (1) 8M x 36 NONE 32MB (4) 4M x 9 (1) 4M x 36 NONE 36MB NONE (1) 1M x 36 (1) 8M x 36 36MB (4) 1M x 9 NONE (1) 8M x 36 36MB (4) 4M x 9 (1) 1M x 36 (1) 4M x 36 48MB NONE (1) 4M x 36 (1) 8M x 36 48MB (4) 4M x 9 NONE (1) 8M x 36 48MB (4) 4M x 9 (1) 4M x 36 (1) 4M x 36 64MB NONE (1) 8M x 36 (1) 8M x 36 64MB (4) 16M x 9 NONE NONE 65MB (4) 16M x 9 (1) 256K x 36 NONE 68MB (4) 16M x 9 (1) 1M x 36 NONE 72MB (4) 16M x 9 (1) 1M x 36 (1) 1M x 36 80MB (4) 16M x 9 (1) 4M x 36 NONE 96MB (4) 16M x 9 (1) 4M x 36 (1) 4M x 36 DRAM JUMPER CONFIGURATION Size JM1 1MB Open 1MB pins 1 & 2 closed 2MB Open 2MB Open 2MB pins 2 & 3 or 3 & 4 closed 4MB Open 4MB Open 4MB pins 1 & 2 closed 5MB Open 5MB pins 2 & 3 or 3 & 4 closed 6MB Open 6MB pins 2 & 3 or 3 & 4 closed 6MB pins 4 & 5 closed 8MB Open 8MB Open 8MB pins 2 & 3 or 3 & 4 closed 8MB pins 4 & 5 closed 12MB pins 4 & 5 closed 16MB Open 16MB Open 16MB pins 1 & 2 closed 17MB Open DRAM JUMPER CONFIGURATION (CON’T) Size JM1 17MB pins 2 & 3 or 3 & 4 closed 18MB Open 18MB pins 2 & 3 or 3 & 4 closed 18MB pins 4 & 5 closed 20MB Open 20MB pins 2 & 3 or 3 & 4 closed 20MB pins 4 & 5 closed 24MB pins 4 & 5 closed 32MB Open 32MB Open 32MB pins 2 & 3 or 3 & 4 closed 36MB Open 36MB pins 1 & 2 closed 36MB pins 4 & 5 closed 48MB Open 48MB pins 1 & 2 closed 48MB pins 4 & 5 closed 64MB Open 64MB pins 1 & 2 closed 65MB pins 2 & 3 or 3 & 4 closed 68MB pins 2 & 3 or 3 & 4 closed 72MB pins 4 & 5 closed 80MB pins 2 & 3 or 3 & 4 closed 96MB pins 4 & 5 closed CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K, (1) 16K or (1) 32K x 8 256KB (A) (4) 32K x 8 (4) 32K x 8 (1) 16K or (1) 32K x 8 256KB (B) (4) 64K x 8 NONE (1) 16K or (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JS1 JS2 JS3 128KB pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 256KB (A) pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed 256KB (B) pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 512KB pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed CPU TYPE CONFIGURATION Type JC2 JC3 JC4 JC8 80486SX Open 2 & 3 Open Open SL80486SX 1 & 2, 3 & 4 2 & 3 1 & 2 Open 80487SX Open 1 & 2, 3 & Open 1 & 2 4 AM486DX Open 1 & 2, 3 & Open 2 & 3 4 80486DX Open 1 & 2, 3 & Open 2 & 3 4 SL80486DX 1 & 2, 3 & 4 1 & 2, 3 & 1 & 2 2 & 3 4 AM486DX2 Open 1 & 2, 3 & Open 2 & 3 4 80486DX2 Open 1 & 2, 3 & Open 2 & 3 4 SL80486DX2 1 & 2, 3 & 4 1 & 2, 3 & 1 & 2 2 & 3 4 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JK1 JK5 25MHz Open pins 2 & 3 closed 33MHz pins 1 & 2, 3 & 4 pins 2 & 3 closed closed 40MHz pins 3 & 4 closed pins 2 & 3 closed 50iMHz Open pins 2 & 3 closed 50MHz pins 1 & 2, 5 & 6 pins 1 & 2 closed closed 66iMHz pins 1 & 2, 3 & 4 pins 2 & 3 closed closed VESA WAIT STATE CONFIGURATION Wait states JP8 0 wait states Closed » 1 wait state Open VL BUS SPEED CONFIGURATION CPU speed JP9 <= 33MHz Open > 33MHz Closed