ACER, INC. AP41 Processor AM486SX/80486SX/SL80486SX/AM486DX/CX486DX/80486DX/SL80486DX/ AM486DX2/CX486DX2/TI486DX2/80486DX2/80486DX2/SL80486DX2/ AM486DX4/CX486DX4/80486DX4/P24D/P24T/CX5X86 Processor 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set SIS Max. 128MB Onboard DRAM Cache 128/256/512KB BIOS AMI Dimensions 254mm x 218mm I/O Parallel port, serial ports (2), 32-bit PCI slots (3), floppy Options drive interface, IDE interfaces (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 IDE interface 1 CN6 Serial port 2 CN2 Floppy drive CN7 interface Parallel port CN3 IDE interface LED JP6 IDE interface 2 CN4 Green PC connector JP9 Power LED & keylock CN5 pins 1 - External battery JP35 5 Speaker CN5 pins 7 - Chassis fan power JP43 10 Turbo LED CN5 pins 12 - Chassis fan power JP46 13 Turbo switch CN5 pins 15 - 32-bit PCI slots PC1 - PC3 17 Reset switch CN5 pins 19 - 20 USER CONFIGURABLE SETTINGS Function Jumper Position On board I/O enabled JP1 pins 1 & 2 closed On board I/O disabled JP1 pins 2 & 3 closed BIOS type select 12v flash ROM JP4 pins 1 & 2 closed BIOS type select 5v EEPROM or JP4 pins 2 & 3 flash ROM closed CMOS memory normal operation JP37 pins 1 & 2 closed CMOS memory clear JP37 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 2MB (1) 512K x NONE NONE NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 3MB (1) 512K x (1) 256K x NONE NONE 36 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 3MB (1) 256K x (1) 512K x NONE NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 4MB (1) 512K x (1) 256K x (1) 256K x NONE 36 36 36 4MB (1) 512K x (1) 512K x NONE NONE 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 5MB (1) 512K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 5MB (1) 256K x (1) 512K x (1) 512K x NONE 36 36 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 6MB (1) 1M x 36 (1) 512K x NONE NONE 36 6MB (1) 512K x (1) 512K x (1) 512K x NONE 36 36 36 6MB (1) 512K x (1) 1M x 36 NONE NONE 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 7MB (1) 256K x (1) 512K x (1) 512K x (1) 512K x 36 36 36 36 8MB (1) 2M x 36 NONE NONE NONE 8MB (1) 1M x 36 (1) 512K x (1) 512K x NONE 36 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 512K x (1) 512K x (1) 512K x (1) 512K x 36 36 36 36 9MB (1) 2M x 36 (1) 256K x NONE NONE 36 9MB (1) 256K x (1) 1M x 36 (1) 1M x 36 NONE 36 9MB (1) 256K x (1) 2M x 36 NONE NONE 36 10MB (1) 512K x (1) 2M x 36 NONE NONE 36 10MB (1) 2M x 36 (1) 256K x (1) 256K x NONE 36 36 10MB (1) 2M x 36 (1) 512K x NONE NONE 36 10MB (1) 1M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 10MB (1) 512K x (1) 1M x 36 (1) 1M x 36 NONE 36 11MB (1) 2M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 12MB (1) 2M x 36 (1) 512K x (1) 512K x NONE 36 36 12MB (1) 2M x 36 (1) 1M x 36 NONE NONE 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 12MB (1) 1M x 36 (1) 2M x 36 NONE NONE 13MB (1) 256K x (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 36 14MB (1) 2M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 14MB (1) 512K x (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 36 16MB (1) 4M x 36 NONE NONE NONE 16MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 NONE 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 17MB (1) 4M x 36 (1) 256K x NONE NONE 36 17MB (1) 256K x (1) 2M x 36 (1) 2M x 36 NONE 36 17MB (1) 256K x (1) 4M x 36 NONE NONE 36 18MB (1) 512K x (1) 2M x 36 (1) 2M x 36 NONE 36 18MB (1) 512K x (1) 4M x 36 NONE NONE 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x NONE 36 36 18MB (1) 4M x 36 (1) 512K x NONE NONE 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 4M x 36 (1) 512K x (1) 512K x NONE 36 36 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 20MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 20MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 NONE 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 22MB (1) 4M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 24MB (1) 4M x 36 (1) 2M x 36 NONE NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 NONE 24MB (1) 2M x 36 (1) 4M x 36 NONE NONE 25MB (1) 256K x (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 36 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 28MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 32MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 NONE 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 33MB (1) 8M x 36 (1) 256K x NONE NONE 36 33MB (1) 256K x (1) 4M x 36 (1) 4M x 36 NONE 36 33MB (1) 256K x (1) 8M x 36 NONE NONE 36 34MB (1) 8M x 36 (1) 256K x (1) 256K x NONE 36 36 34MB (1) 8M x 36 (1) 512K x NONE NONE 36 34MB (1) 512K x (1) 4M x 36 (1) 4M x 36 NONE 36 34MB (1) 512K x (1) 8M x 36 NONE NONE 36 35MB (1) 8M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 36MB (1) 8M x 36 (1) 512K x (1) 512K x NONE 36 36 36MB (1) 8M x 36 (1) 1M x 36 NONE NONE 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 36MB (1) 1M x 36 (1) 8M x 36 NONE NONE 38MB (1) 8M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 40MB (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 NONE 40MB (1) 8M x 36 (1) 2M x 36 NONE NONE 40MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 40MB (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 NONE 40MB (1) 2M x 36 (1) 8M x 36 NONE NONE 44MB (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 NONE 48MB (1) 8M x 36 (1) 4M x 36 NONE NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 48MB (1) 4M x 36 (1) 8M x 36 NONE NONE 49MB (1) 256K x (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 36 50MB (1) 512K 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 56MB (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 56MB (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 NONE 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 16M x 36 NONE NONE NONE 65MB (1) 16M x 36 (1) 256K x NONE NONE 36 65MB (1) 256K x (1) 8M x 36 (1) 8M x 36 NONE 36 66MB (1) 512K x (1) 8M x 36 (1) 8M x 36 NONE 36 66MB (1) 16M x 36 (1) 256K x (1) 256K x NONE 36 36 66MB (1) 16M x 36 (1) 512K x NONE NONE 36 67MB (1) 16M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 68MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 NONE DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 68MB (1) 16M x 36 (1) 512K x (1) 512K x NONE 36 36 68MB (1) 16M x 36 (1) 1M x 36 NONE NONE 70MB (1) 16M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 72MB (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 NONE 72MB (1) 16M x 36 (1) 1M x 36 (1) 1M x 36 NONE 72MB (1) 16M x 36 (1) 2M x 36 NONE NONE 76MB (1) 16M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 80MB (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 80MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 NONE 80MB (1) 16M x 36 (1) 2M x 36 (1) 2M x 36 NONE 80MB (1) 16M x 36 (1) 4M x 36 NONE NONE 88MB (1) 16M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 NONE 96MB (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 NONE 97MB (1) 256K x (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 36 98MB (1) 512K x (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 36 100MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 104MB (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 112MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 112MB (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 128MB (1) 16M x 36 (1) 16M x 36 NONE NONE CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 16K x 8 or (1) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 16K x 8 or (1) 32K x 8 256KB (4) 64K x 8 NONE (1) 16K x 8 or (1) 32K x 8 512KB (4) 64K x 8 (4) 64K x 8 (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP24 JP25 JP26 JP27 JP29 128KB 1 & 2 1 & 2 2 & 3 1 & 2 1 & 2, 3 & 4 256KB 1 & 2 2 & 3 2 & 3 2 & 3 2 & 3, 4 & 5 256KB 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2, 3 & 4 512KB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3, 4 & 5 512KB 2 & 3 2 & 3 2 & 3 1 & 2 1 & 2, 3 & 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (5 VOLT ONLY) Type JP11 JP12 JP13 JP14 JP15 AM486SX 2 & 3 Open Open Open Open 80486SX 2 & 3 Open Open Open Open SL80486SX 2 & 3 1 & 2 Open Open Open AM486DX 2 & 3 Open Open Open Open CX486DX 2 & 3 1 & 2 Open Open Open 80486DX 2 & 3 Open Open Open Open SL80486DX 2 & 3 1 & 2 Open Open Open AM486DX2 2 & 3 Open Open Open Open CX486DX2 2 & 3 1 & 2 Open Open Open 80486DX2 2 & 3 Open Open Open Open SL80486DX2 2 & 3 1 & 2 Open Open Open P24D 1 & 2 1 & 2 Open 1 & 2 1 & 2 P24T 1 & 2 1 & 2 1 & 2 Open Open Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (5 VOLT ONLY, CON’T) Type JP16 JP17 JP18 JP19 JP20 AM486SX Open Open 2 & 3 Open Open 80486SX Open Open 2 & 3 Open Open SL80486SX Open 3 & 4 2 & 3 Open Open AM486DX Open Open 1 & 2, 3 Open 3 & 4 & 4 CX486DX 2 & 3 2 & 3 1 & 2, 3 2 & 3 3 & 4 & 4 80486DX Open Open 1 & 2, 3 Open 3 & 4 & 4 SL80486DX Open 3 & 4 1 & 2, 3 Open Open & 4 AM486DX2 Open Open 1 & 2, 3 Open 3 & 4 & 4 CX486DX2 2 & 3 2 & 3 1 & 2, 3 2 & 3 3 & 4 & 4 80486DX2 Open Open 1 & 2, 3 Open 3 & 4 & 4 SL80486DX2 Open 3 & 4 1 & 2, 3 Open Open & 4 P24D 1 & 2 1 & 2, 3 1 & 2, 3 Open 3 & 4 & 4 & 4 P24T 1 & 2 3 & 4 1 & 2, 3 1 & 2 2 & 3 & 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (5 VOLT ONLY, CON’T) Type JP21 JP22 JP23 JP40 AM486SX Open Open Open pins 1 & 3, 2 & 4 closed 80486SX Open Open Open pins 1 & 3, 2 & 4 closed SL80486SX pins 4 & 5 pins 1 & 2 pins 2 & 3 pins 1 & 3, 2 closed closed closed & 4 closed AM486DX Open Open Open pins 1 & 3, 2 & 4 closed CX486DX pins 2 & 3 Open pins 1 & 2 pins 1 & 3, 2 closed closed & 4 closed 80486DX Open Open Open pins 1 & 3, 2 & 4 closed SL80486DX pins 4 & 5 pins 1 & 2 pins 2 & 3 pins 1 & 3, 2 closed closed closed & 4 closed AM486DX2 Open Open Open pins 1 & 3, 2 & 4 closed CX486DX2 pins 2 & 3 Open pins 1 & 2 pins 1 & 3, 2 closed closed & 4 closed 80486DX2 Open Open Open pins 1 & 3, 2 & 4 closed SL80486DX2 pins 4 & 5 pins 1 & 2 pins 2 & 3 pins 1 & 3, 2 closed closed closed & 4 closed P24D pins 4 & 5 pins 2 & 3 pins 2 & 3 pins 1 & 3, 2 closed closed closed & 4 closed P24T pins 1 & 2 Open pins 2 & 3 pins 1 & 3, 2 closed closed & 4 closed CPU TYPE CONFIGURATION (3.45 VOLT ONLY) Type JP11 JP12 JP13 JP14 JP15 AM486DX2 2 & 3 Open Open 2 & 3 Open CX486DX2 2 & 3 1 & 2 Open Open Open TI486DX2 2 & 3 1 & 2 Open Open Open AM486DX4 2 & 3 Open Open Open Open AM486DX4 1 & 2 1 & 2 Open 1 & 2 1 & 2 (SV8B) AM486DX4 2 & 3 1 & 2 Open Open Open (SV8T) CX486DX4 2 & 3 1 & 2 Open 1 & 2 1 & 2 CX486DX4 (M7) 2 & 3 1 & 2 Open Open Open 80486dx4 (wb) 1 & 2 1 & 2 Open 1 & 2 1 & 2 80486dx4 (wT) 2 & 3 1 & 2 Open Open Open CX5X86 2 & 3 1 & 2 Open 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (3.45 VOLT ONLY, CON’T) Type JP16 JP17 JP18 JP19 JP20 AM486DX2 Open Open 1 & 2, 3 Open 3 & 4 & 4 CX486DX2 2 & 3 2 & 3 1 & 2, 3 2 & 3 3 & 4 & 4 TI486DX2 2 & 3 2 & 3 1 & 2, 3 2 & 3 3 & 4 & 4 AM486DX4 Open Open 1 & 2, 3 Open 3 & 4 & 4 AM486DX4 1 & 2 1 & 2, 3 1 & 2, 3 Open 3 & 4 (SV8B) & 4 & 4 AM486DX4 Open 3 & 4 1 & 2, 3 Open 3 & 4 (SV8T) & 4 CX486DX4 1 & 2 1 & 2, 3 1 & 2, 3 Open 3 & 4 & 4 & 4 CX486DX4 (M7) 2 & 3 2 & 3 1 & 2, 3 2 & 3 3 & 4 & 4 80486dx4 (wb) 1 & 2 1 & 2, 3 1 & 2, 3 Open 3 & 4 & 4 & 4 80486dx4 (wT) Open 3 & 4 1 & 2, 3 Open 3 & 4 & 4 CX5X86 1 & 2 1 & 2, 3 1 & 2, 3 Open 3 & 4 & 4 & 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (3.45 VOLT ONLY, CON’T) Type JP21 JP22 JP23 JP40 AM486DX2 Open Open Open 3 & 5, 4 & 6 CX486DX2 2 & 3 Open 1 & 2 3 & 5, 4 & 6 TI486DX2 2 & 3 Open 1 & 2 3 & 5, 4 & 6 AM486DX4 Open Open Open 3 & 5, 4 & 6 AM486DX4 (SV8B) 4 & 5 2 & 3 2 & 3 3 & 5, 4 & 6 AM486DX4 (SV8T) 4 & 5 1 & 2 2 & 3 3 & 5, 4 & 6 CX486DX4 4 & 5 2 & 3 2 & 3 3 & 5, 4 & 6 CX486DX4 (M7) 2 & 3 Open 1 & 2 3 & 5, 4 & 6 80486dx4 (wb) 4 & 5 2 & 3 2 & 3 3 & 5, 4 & 6 80486dx4 (wT) 4 & 5 1 & 2 2 & 3 3 & 5, 4 & 6 CX5X86 4 & 5 2 & 3 2 & 3 3 & 5, 4 & 6 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP30 JP31 JP32 25MHz pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 33MHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 40MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 50iMHz pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 66iMHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 75iMHz pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 100iMHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed DMA CONFIGURATION DMA JP2 JP3 DMA 1 pins 2 & 3 closed pins 2 & 3 closed DMA 3 pins 1 & 2 closed pins 1 & 2 closed