UNIDENTIFIED PM486PA VIP Processor AM486SX/80486SX/CX486M7/AM486DX/80486DX/AM486DX2/80486DX2/ 80486DX4/Pentium Overdrive Processor 25/33/40/50(internal)/66(internal)/100(internal)MHz Speed Chip Set ALI Max. 256MB Onboard DRAM Cache 128/256/512/1024KB BIOS Phoenix Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (3), 32-bit PCI slots (4), green PC connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Auxiliary keyboard CN1 Green PC monitor JG2 connector power External battery CN2 Green PC VGA H-sync JG3 Power LED & keylock J1 Green PC VGA V-sync JG4 Speaker J2 Green PC connector JG9 Reset switch J3 Ring in signal JG10 connector Turbo switch J4 32-bit PCI slots PC1 - PC4 Turbo LED J5 32-bit VESA local SL1 - SL3 bus slots Green PC power fan JG1 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not JC1 N/A alter » Factory configured - do not JC14 N/A alter » Factory configured - do not JG8 N/A alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 3MB (1) 512K x NONE (1) 256K x NONE 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 512K x NONE (1) 512K x NONE 36 36 4MB (1) 256K x (1) 256K x (1) 512K x NONE 36 36 36 4MB (1) 512K x NONE (1) 256K x (1) 256K x 36 36 36 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 6MB (1) 256K x (1) 256K x (1) 1M x 36 NONE 36 36 6MB (1) 512K x NONE (1) 1M x 36 NONE 36 7MB (1) 1M x 36 (1) 256K x (1) 512K x NONE 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 512K x NONE 36 10MB (1) 512K x NONE (1) 2M x 36 NONE 36 10MB (1) 512K x NONE (1) 1M x 36 (1) 1M x 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 12MB (1) 2M x 36 NONE (1) 1M x 36 NONE 13MB (1) 1M x 36 (1) 256K x (1) 2M x 36 NONE 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 NONE 16MB (1) 2M x 36 NONE (1) 2M x 36 NONE 17MB (1) 4M x 36 (1) 256K x NONE NONE 36 18MB (1) 256K x (1) 256K x (1) 4M x 36 NONE 36 36 18MB (1) 512K x NONE (1) 4M x 36 NONE 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x NONE 36 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 19MB (1) 4M x 36 (1) 256K x (1) 512K x NONE 36 36 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 21MB (1) 4M x 36 (1) 1M x 36 (1) 256K x NONE 36 22MB (1) 4M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 22MB (1) 4M x 36 (1) 1M x 36 (1) 512K x NONE 36 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 24MB (1) 2M x 36 NONE (1) 4M x 36 NONE 25MB (1) 4M x 36 (1) 256K x (1) 2M x 36 NONE 36 25MB (1) 2M x 36 NONE (1) 4M x 36 (1) 256K x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 28MB (1) 4M x 36 (1) 1M x 36 (1) 2M x 36 NONE 32MB (1) 8M x 36 NONE NONE NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x NONE 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 512K x NONE 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 NONE 36MB (1) 8M x 36 NONE (1) 1M x 36 NONE 37MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 256K x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 40MB (1) 8M x 36 NONE (1) 2M x 36 NONE 40MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 49MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 256K x 36 52MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 NONE 64MB (1) 8M x 36 NONE (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 NONE (1) 8M x 36 NONE 64MB (1) 16M x NONE NONE NONE 36 65MB (1) 16M x (1) 256K x NONE NONE 36 36 66MB (1) 16M x (1) 256K x (1) 256K x NONE 36 36 36 67MB (1) 16M x (1) 256K x (1) 512K x NONE 36 36 36 68MB (1) 16M x (1) 1M x 36 NONE NONE 36 70MB (1) 16M x (1) 1M x 36 (1) 256K x (1) 256K x 36 36 36 70MB (1) 16M x (1) 1M x 36 (1) 512K x NONE 36 36 72MB (1) 16M x (1) 1M x 36 (1) 1M x 36 NONE 36 73MB (1) 16M x (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 36 76MB (1) 16M x (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 36 76MB (1) 16M x (1) 1M x 36 (1) 2M x 36 NONE 36 80MB (1) 16M x (1) 4M x 36 NONE NONE 36 84MB (1) 16M x (1) 4M x 36 (1) 1M x 36 NONE 36 84MB (1) 16M x (1) 1M x 36 (1) 4M x 36 NONE 36 85MB (1) 16M x (1) 1M x 36 (1) 4M x 36 (1) 256K x 36 36 88MB (1) 16M x (1) 4M x 36 (1) 2M x 36 NONE 36 88MB (1) 16M x (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 36 88MB (1) 16M x (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 36 88MB (1) 16M x (1) 4M x 36 (1) 2M x 36 NONE 36 96MB (1) 16M x (1) 4M x 36 (1) 4M x 36 NONE 36 100MB (1) 16M x (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 36 112MB (1) 16M x (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 36 128MB (1) 16M x (1) 16M x 36 NONE NONE 36 160MB (1) 16M x (1) 16M x 36 (1) 8M x 36 NONE 36 256MB (1) 16M x (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 32K 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 512KB (4) 64K x 8 (4) 64K x 8 (1) 64K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 128K x 8 CACHE JUMPER CONFIGURATION Size JS1 JS2 JS3 JS4 128KB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 256KB (A) pins 2 & 4 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed closed 256KB (B) pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed closed 512KB pins 3 & 5 pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed closed 1MB pins 4 & 6 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed CPU TYPE CONFIGURATION Type JC2 JC3 JC4 JC5 AM486SX-25/33 pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed AM486SX-40 pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed 80486SX-25/33 pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed 80486SX-40 pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed CX486M7 pins 1 & 2 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed AM486DX-33 pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed AM486DX-40/50 pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed 80486DX-33 pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed 80486DX-40/50 pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed AM486DX2 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 80486DX2 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 80486DX4 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed P24T pins 2 & 3 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed CPU TYPE CONFIGURATION (CON’T) Type JC7 JC9 JC10 JC11 AM486SX-25/33 3 & 4, 5 & 2 & 3 1 & 2 Open 6 AM486SX-40 3 & 4, 5 & 2 & 3 1 & 2 Open 6 80486SX-25/33 3 & 4, 5 & 2 & 3 1 & 2 Open 6 80486SX-40 3 & 4, 5 & 2 & 3 1 & 2 Open 6 CX486M7 3 & 4, 5 & 1 & 2, 3 & 1 & 2 2 & 3 6 4 AM486DX-33 3 & 4, 5 & 1 & 2, 3 & 1 & 2 2 & 3 6 4 AM486DX-40/50 3 & 4, 5 & 1 & 2, 3 & 1 & 2 2 & 3 6 4 80486DX-33 3 & 4, 5 & 1 & 2, 3 & 1 & 2 2 & 3 6 4 80486DX-40/50 3 & 4, 5 & 1 & 2, 3 & 1 & 2 2 & 3 6 4 AM486DX2 1 & 2, 3 & 1 & 2, 3 & 1 & 2 2 & 3 4 4 80486DX2 1 & 2, 3 & 1 & 2, 3 & 1 & 2 2 & 3 4 4 80486DX4 1 & 2, 3 & 1 & 2, 3 & 1 & 2 2 & 3 4 4 P24T 1 & 2, 3 & 1 & 2, 3 & 2 & 3 1 & 2 4 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JC12 JC13 JC15 JC16 JC17 JC19 JC20 AM486SX-25/33 1 & Open 2 & 2 & Open Open Open 2 3 3 AM486SX-40 1 & Open 2 & 2 & Open Open Open 2 3 3 80486SX-25/33 1 & Open 2 & 2 & Open Open Open 2 3 3 80486SX-40 1 & Open 2 & 2 & Open Open Open 2 3 3 CX486M7 1 & 2 & 2 & 2 & Open Open Closed 2 3 3 3 AM486DX-33 1 & Open 2 & 2 & Open Open Open 2 3 3 AM486DX-40/50 1 & Open 2 & 2 & Open Open Open 2 3 3 80486DX-33 1 & Open 2 & 2 & Open Open Open 2 3 3 80486DX-40/50 1 & Open 2 & 2 & Open Open Open 2 3 3 AM486DX2 1 & Open 1 & 1 & Open Open Open 2 2 2 80486DX2 1 & Open 1 & 1 & Open Open Open 2 2 2 80486DX4 1 & Open 1 & 1 & Open Closed Open 2 2 2 P24T 2 & 1 & 1 & 1 & Open Open Open 3 2 2 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JC21 JC22 JC23 JC24 JC25 JC26 JC27 AM486SX-25/33 Open Open 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 AM486SX-40 Open Open 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 80486SX-25/33 Open Open 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 80486SX-40 Open Open 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 CX486M7 Closed 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 AM486DX-33 Open Open 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 AM486DX-40/50 Open Open 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 80486DX-33 Open Open 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 80486DX-40/50 Open Open 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 AM486DX2 Open Open 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 80486DX2 Open Open 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 80486DX4 Open 2 & 3 2 & 3 2 & 3 2 & 3 Open 1 & 2 P24T Open Open 2 & 3 2 & 3 2 & 3 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JF1 JF2 JF3 JG5 JG6 JG7 25MHz 2 & 3 1 & 2 2 & 3 Open Closed Open 33MHz 1 & 2 2 & 3 2 & 3 Closed Open Open 40MHz 2 & 3 2 & 3 1 & 2 Open Open Closed 50iMHz 2 & 3 1 & 2 2 & 3 Open Closed Open 66iMHz 1 & 2 2 & 3 2 & 3 Closed Open Open 100iMHz 1 & 2 2 & 3 2 & 3 Closed Open Open Note: Pins designated should be in the closed position. CPU VOLTAGE CONFIGURATION Voltage JX1 JX2 3.3v pins 1 & 2 closed Open 3.45v pins 2 & 3 closed N/A 5v N/A pins 1 & 2, 3 & 4 closed