GIGA-BYTE TECHNOLOGY CO., LTD. GA-5486AL Processor 80486DX/IBMDX2/CX486DX2/80486DX2/AM486DX4/ST486DX4/80486DX4/ P24D/Pentium Overdrive/AM5X86/CX5X86 Processor 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/100(internal)/ Speed 120(internal)/133(internal)MHz Chip Set ALI Max. 128MB Onboard DRAM Cache 128/256/512KB BIOS Award Dimensions 220mm x 210mm I/O 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE Options interfaces (2), parallel port, serial ports (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 IDE interface LED J2 Serial port 2 CN2 Reset switch J3 Parallel port CN3 Turbo switch J4 Floppy drive interface CN4 Green PC LED J5 IDE interface 2 CN5 Speaker J6 IDE interface 1 CN6 Power LED & keylock J7 Green PC connector J1 32-bit PCI slots PC1 - PC3 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not JP3 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 2MB (1) 512K x NONE NONE NONE 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 4MB (1) 1M x 36 NONE NONE NONE 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 512K x (1) 512K x NONE NONE 36 36 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 5MB (1) 256K x (1) 1M x 36 NONE NONE 36 6MB (1) 1M x 36 (1) 256K x (1) 256K 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 8MB (1) 2M x 36 NONE NONE NONE 9MB (1) 256K x (1) 1M x 36 (1) 1M x 36 NONE 36 10MB (1) 2M x 36 (1) 512K x NONE NONE 36 10MB (1) 512K x (1) 2M x 36 NONE NONE 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 13MB (1) 256K x (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 36 16MB (1) 4M x 36 NONE NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 17MB (1) 4M x 36 (1) 256K x NONE NONE 36 17MB (1) 256K x (1) 4M x 36 NONE 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 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 33MB (1) 256K x (1) 4M x 36 (1) 4M x 36 NONE 36 34MB (1) 8M x 36 (1) 512K x NONE NONE 36 34MB (1) 512K x (1) 8M x 36 NONE NONE 36 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 40MB (1) 8M x 36 (1) 2M x 36 NONE NONE 40MB (1) 2M x 36 (1) 8M x 36 NONE NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 49MB (1) 256K x (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 36 52MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 64MB (1) 16M x 36 NONE NONE NONE 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 66MB (1) 16M x 36 (1) 512K x NONE NONE 36 66MB (1) 512K x (1) 16M x 36 NONE NONE 36 72MB (1) 16M x 36 (1) 2M x 36 NONE NONE 72MB (1) 2M x 36 (1) 16M x 36 NONE NONE 96MB (1) 16M x 36 (1) 8M x 36 NONE NONE 96MB (1) 8M x 36 (1) 16M x 36 NONE NONE 128MB (1) 16M x 36 (1) 16M x 36 NONE NONE CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 (1) 8K x 8 256KB (4) 64K x 8 (1) 16K x 8 512KB (4) 128K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP4 128KB Open 256KB pins 2 & 4 closed 512KB pins 1 & 3, 2 & 4 closed CPU TYPE CONFIGURATION Type J9 JP11 JP12 JP13 80486DX-33 pins 1 & 2 Closed Open pins 1 & 2 closed closed IBM DX2 pins 1 & 2 Open Closed pins 1 & 2 closed closed CX486DX2-66 pins 1 & 2 Open Closed pins 1 & 2 closed closed 80486DX2-66 pins 1 & 2 Closed Open pins 1 & 2 closed closed CX486DX4-100 pins 1 & 2 Open Closed pins 1 & 2 closed closed AM486DX4-100 pins 1 & 2 Closed Open pins 3 & 4 (NV8T) closed closed AM486DX4-100 pins 2 & 3 Closed Open pins 1 & 2 (SV8B) closed closed AM486DX4-120 pins 2 & 3 Closed Open pins 3 & 4 (NV8T) closed closed AM486DX4-120 pins 2 & 3 Closed Open pins 1 & 2 (SV8B) closed closed ST486DX4-100 pins 1 & 2 Closed Open pins 1 & 2 closed closed 80486DX4-75 (3v) pins 1 & 2 Closed Open pins 1 & 2 closed closed 80486DX4-75 (5v) pins 1 & 2 Closed Open pins 1 & 2 closed closed 80486DX4-100 (3v) pins 1 & 2 Closed Open pins 1 & 2 closed closed 80486DX4-100 (5v) pins 1 & 2 Closed Open pins 1 & 2 closed closed P24D pins 1 & 2 Closed Open pins 1 & 2 closed closed P24T 63WB pins 2 & 3 Closed Open pins 1 & 2 closed closed P24T 83WB pins 2 & 3 Closed Open pins 1 & 2 closed closed AM5X86-P75 pins 2 & 3 Closed Open pins 1 & 2 closed closed CX5X86-100 pins 1 & 2 Closed Open pins 1 & 2 closed closed CX5X86-120 pins 2 & 3 Closed Open pins 1 & 2 closed closed CX5X86-133 pins 1 & 2 Closed Open pins 1 & 2 closed closed CPU TYPE CONFIGURATION (CON’T) Type JP14 JP15 JP16 80486DX-33 pins 3 & 6 pins 1 & 2 Open closed closed IBM DX2 pins 2 & 5 pins 1 & 2 Open closed closed CX486DX2-66 pins 2 & 5 pins 1 & 2 Open closed closed 80486DX2-66 pins 3 & 6 pins 1 & 2 Open closed closed CX486DX4-100 pins 2 & 5 pins 1 & 2 Open closed closed AM486DX4-100 (NV8T) pins 2 & 5 pins 1 & 2 Open closed closed AM486DX4-100 (SV8B) pins 2 & 5 pins 1 & 2 Open closed closed AM486DX4-120 (NV8T) pins 2 & 5 pins 1 & 2 Open closed closed AM486DX4-120 (SV8B) pins 2 & 5 pins 1 & 2 Open closed closed ST486DX4-100 pins 2 & 5 pins 1 & 2 Open closed closed 80486DX4-75 (3v) pins 2 & 5 pins 1 & 2 Open closed closed 80486DX4-75 (5v) pins 3 & 6 pins 1 & 2 Closed closed closed 80486DX4-100 (3v) pins 2 & 5 pins 1 & 2 Open closed closed 80486DX4-100 (5v) pins 3 & 6 pins 1 & 2 Closed closed closed P24D pins 3 & 6 pins 1 & 2 Open closed closed P24T 63WB pins 3 & 6 pins 1 & 2 Closed closed closed P24T 83WB pins 3 & 6 pins 1 & 2 Closed closed closed AM5X86-P75 pins 2 & 5 pins 2 & 3 Open closed closed CX5X86-100 pins 2 & 5 pins 1 & 2 Open closed closed CX5X86-120 pins 2 & 5 pins 1 & 2 Open closed closed CX5X86-133 pins 2 & 5 pins 2 & 3 Open closed closed CPU TYPE CONFIGURATION (CON’T) Type JP17 RN3 RN4 80486DX-33 pins 2 & 3 Installed Not installed closed IBM DX2 pins 2 & 3 Not installed Installed closed CX486DX2-66 pins 2 & 3 Not installed Installed closed 80486DX2-66 pins 2 & 3 Installed Not installed closed CX486DX4-100 pins 2 & 3 Not installed Installed closed AM486DX4-100 pins 1 & 2 Installed Not installed (NV8T) closed AM486DX4-100 pins 1 & 2 Installed Not installed (SV8B) closed AM486DX4-120 pins 1 & 2 Installed Not installed (NV8T) closed AM486DX4-120 pins 1 & 2 Installed Not installed (SV8B) closed ST486DX4-100 pins 2 & 3 Installed Not installed closed 80486DX4-75 (3v) pins 2 & 3 Installed Not installed closed 80486DX4-75 (5v) pins 2 & 3 Installed Not installed closed 80486DX4-100 (3v) pins 2 & 3 Installed Not installed closed 80486DX4-100 (5v) pins 2 & 3 Installed Not installed closed P24D pins 1 & 2 Installed Not installed closed P24T 63WB pins 2 & 3 Installed Not installed closed P24T 83WB pins 2 & 3 Installed Not installed closed AM5X86-P75 pins 1 & 2 Installed Not installed closed CX5X86-100 pins 2 & 3 Installed Not installed closed CX5X86-120 pins 2 & 3 Installed Not installed closed CX5X86-133 pins 2 & 3 Installed Not installed closed CPU SPEED CONFIGURATION Speed JP7 JP8 JP9 JP10 25MHz pins 1 & 2 pins 2 & 3 pins 1 & 2 Open closed closed closed 33MHz pins 1 & 2 pins 1 & 2 pins 1 & 2 Open closed closed closed 40MHz pins 2 & 3 pins 2 & 3 pins 2 & 3 Closed closed closed closed 50iMHz pins 1 & 2 pins 2 & 3 pins 1 & 2 Open closed closed closed 66iMHz pins 1 & 2 pins 1 & 2 pins 1 & 2 Open closed closed closed 75iMHz pins 1 & 2 pins 2 & 3 pins 1 & 2 Open closed closed closed 80iMHz pins 2 & 3 pins 2 & 3 pins 2 & 3 Closed closed closed closed 100iMHz pins 1 & 2 pins 1 & 2 pins 1 & 2 Open closed closed closed 120iMHz pins 2 & 3 pins 2 & 3 pins 2 & 3 Closed closed closed closed 133iMHz pins 1 & 2 pins 1 & 2 pins 1 & 2 Open closed closed closed