MICRO-STAR INTERNATIONAL CO., LTD. MS-4134 Processor AM486SX/80486SX/SL80486SX/CX486M7/AM486DX/80486DX/SL80486DX/ AM486DX2/80486DX2/SL80486DX2 Processor 25/33/40/50(internal)/66(internal)MHz Speed Chip Set ALI Max. 128MB Onboard DRAM Cache 128/256KB BIOS Award/Phoenix Dimensions 270mm x 220mm I/O Options 32-bit VESA local bus slots (2), 32-bit PCI slots (3), green PC connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery JB Speaker JP10 pins 7 - 10 Green PC connector JG1 Turbo LED JP10 pins 12 & 13 Green PC connector JG2 Turbo switch JP10 pins 15 - (monitor) 17 Green PC LED JG3 Reset switch JP10 pins 19 & 20 Chassis fan power JP9 32-bit PCI PC1 - PC3 slots Power LED & keylock JP10 pins 1 - 32-bit VESA SL1 & SL2 5 bus slots USER CONFIGURABLE SETTINGS Function Jumper Position » Battery type select internal JB pins 2 & 3 closed Battery type select external JB Closed » PCI slot 1 SCSI controller JP6 pins 2 & 3 select NCR 53C810 only closed PCI slot 1 SCSI controller JP6 pins 1 & 2 select any controller installed closed » BIOS type select EPROM JP20 Open BIOS type select 5v flash JP20 pins 2 & 3 closed BIOS type select 12v flash JP20 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 1MB (4) 256K x 9 NONE NONE 1MB NONE (1) 256K x 36 NONE 2MB NONE (1) 512K x 36 NONE 2MB (4) 256K x 9 (1) 256K x 36 NONE 3MB (4) 256K x 9 (1) 256K x 36 (1) 256K x 36 4MB (4) 1M x 9 NONE NONE 4MB NONE (1) 1M x 36 NONE 5MB (4) 1M x 9 (1) 256K x 36 NONE 5MB (4) 256K x 9 (1) 1M x 36 NONE 6MB (4) 1M x 9 (1) 256K x 36 (1) 256K x 36 8MB NONE (1) 2M x 36 NONE 8MB (4) 1M x 9 (1) 1M x 36 NONE 9MB (4) 256K x 9 (1) 1M x 36 (1) 1M x 36 9MB (4) 256K x 9 (1) 2M x 36 NONE 12MB (4) 1M x 9 (1) 1M x 36 (1) 1M x 36 12MB (4) 1M x 9 (1) 2M x 36 NONE 16MB (4) 4M x 9 NONE NONE 16MB NONE (1) 4M x 36 NONE 17MB (4) 4M x 9 (1) 256K x 36 NONE 17MB (4) 256K x 9 (1) 2M x 36 (1) 2M x 36 17MB (4) 256K x 9 (1) 4M x 36 NONE 18MB (4) 4M x 9 (1) 256K x 36 (1) 256K x 36 20MB (4) 4M x 9 (1) 1M x 36 NONE 20MB (4) 1M x 9 (1) 2M x 36 (1) 2M x 36 20MB (4) 1M x 9 (1) 4M x 36 NONE 24MB (4) 4M x 9 (1) 1M x 36 (1) 1M x 36 24MB (4) 4M x 9 (1) 2M x 36 NONE 32MB NONE (1) 8M x 36 NONE 32MB (4) 4M x 9 (1) 2M x 36 (1) 2M x 36 32MB (4) 4M x 9 (1) 4M x 36 NONE 33MB (4) 256K x 9 (1) 4M x 36 (1) 4M x 36 33MB (4) 256K x 9 (1) 8M x 36 NONE 36MB (4) 1M x 9 (1) 4M x 36 (1) 4M x 36 36MB (4) 1M x 9 (1) 8M x 36 NONE DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 48MB (4) 4M x 9 (1) 4M x 36 (1) 4M x 36 48MB (4) 4M x 9 (1) 8M x 36 NONE 64MB (4) 16M x 9 NONE NONE 65MB (4) 16M x 9 (1) 256K x 36 NONE 65MB (4) 256K x 9 (1) 8M x 36 (1) 8M x 36 66MB (4) 16M x 9 (1) 256K x 36 (1) 256K x 36 68MB (4) 16M x 9 (1) 1M x 36 NONE 68MB (4) 1M x 9 (1) 8M x 36 (1) 8M x 36 72MB (4) 16M x 9 (1) 1M x 36 (1) 1M x 36 72MB (4) 16M x 9 (1) 2M x 36 NONE 80MB (4) 16M x 9 (1) 2M x 36 (1) 2M x 36 80MB (4) 16M x 9 (1) 4M x 36 NONE 80MB (4) 4M x 9 (1) 8M x 36 (1) 8M x 36 96MB (4) 16M x 9 (1) 4M x 36 (1) 4M x 36 96MB (4) 16M x 9 (1) 8M x 36 NONE 128MB (4) 16M x 9 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (A) (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 256KB (B) (4) 64K x 8 NONE (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JS1 JS2 128KB pins 1 & 2 closed pins 2 & 3 closed 256KB (A) pins 2 & 3 closed pins 1 & 2 closed 256KB (B) pins 2 & 3 closed pins 2 & 3 closed CPU TYPE CONFIGURATION Type JC1 JC4 JC6 AM486SX pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 80486SX pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed SL80486SX pins 2 & 3 pins 3 & 4 pins 2 & 3 closed closed closed CX486M7 pins 1 & 2, 3 & 1 & 2, 3 & 4 pins 2 & 4 4 closed closed AM486DX pins 1 & 2, 3 & pins 2 & 3 pins 2 & 3 4 closed closed closed 80486DX pins 1 & 2, 3 & pins 2 & 3 pins 2 & 3 4 closed closed closed SL80486DX pins 1 & 2, 3 & pins 3 & 4 pins 2 & 3 4 closed closed closed AM486DX2 pins 1 & 2, 3 & pins 2 & 3 pins 2 & 3 4 closed closed closed 80486DX2 pins 1 & 2, 3 & pins 2 & 3 pins 2 & 3 4 closed closed closed SL80486DX2 pins 1 & 2, 3 & pins 3 & 4 pins 2 & 3 4 closed closed closed CPU TYPE CONFIGURATION (CON’T) Type JC7 JC8 JC11 JC13 AM486SX pins 2 & 3 pins 2 & 3 Open pins 1 & 2 closed closed closed 80486SX pins 2 & 3 pins 2 & 3 Open pins 1 & 2 closed closed closed SL80486SX pins 2 & 3 pins 2 & 3 Open pins 1 & 2 closed closed closed CX486M7 pins 2 & 4 pins 1 & 2 pins 3 & 6 pins 2 & 3 closed closed closed closed AM486DX pins 2 & 3 pins 2 & 3 Open pins 1 & 2 closed closed closed 80486DX pins 2 & 3 pins 2 & 3 Open pins 1 & 2 closed closed closed SL80486DX pins 2 & 3 pins 2 & 3 Open pins 1 & 2 closed closed closed AM486DX2 pins 2 & 3 pins 2 & 3 Open pins 1 & 2 closed closed closed 80486DX2 pins 2 & 3 pins 2 & 3 Open pins 1 & 2 closed closed closed SL80486DX2 pins 2 & 3 pins 2 & 3 Open pins 1 & 2 closed closed closed CPU SPEED CONFIGURATION Speed JK1 JK2 25MHz pins 1 & 4, 2 & 5 pins 1 & 4, 2 & 5, 3 & closed 6 closed 33MHz pins 1 & 4, 3 & 6 pins 1 & 4, 2 & 5, 3 & closed 6 closed 40MHz pins 2 & 5 closed pins 4 & 7, 5 & 8, 6 & 9 closed 50iMHz pins 1 & 4, 2 & 5 pins 1 & 4, 2 & 5, 3 & closed 6 closed 66iMHz pins 1 & 4, 3 & 6 pins 1 & 4, 2 & 5, 3 & closed 6 closed BUS SPEED CONFIGURATION CPU speed JV1 JV2 JV3 <= 33MHz pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed > 33MHz pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed PCI SLOT 2 CONFIGURATION Setting JP4 JP12 Falling edge sensitive Closed pins 2 & 3 closed interrupt Rising edge sensitive Closed pins 1 & 2 closed interrupt Low active level trigger Closed Open interrupt (IRQ14) Low active level trigger Closed pins 2 & 3 closed interrupt No card installed Closed Open