ACER, INC.
AP41
| 
 Processor  | 
 AM486SX/80486SX/SL80486SX/AM486DX/CX486DX/80486DX/SL80486DX/ AM486DX2/CX486DX2/TI486DX2/80486DX2/80486DX2/SL80486DX2/ AM486DX4/CX486DX4/80486DX4/P24D/P24T/CX5X86  | 
| 
 Processor Speed  | 
 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz  | 
| 
 Chip Set  | 
 SIS  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 128/256/512KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 254mm x 218mm  | 
| 
 I/O Options  | 
 Parallel port, serial ports (2), 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 IDE interface 1  | 
 CN6  | 
| 
 Serial port 2  | 
 CN2  | 
 Floppy drive interface  | 
 CN7  | 
| 
 Parallel port  | 
 CN3  | 
 IDE interface LED  | 
 JP6  | 
| 
 IDE interface 2  | 
 CN4  | 
 Green PC connector  | 
 JP9  | 
| 
 Power LED & keylock  | 
 CN5 pins 1 - 5  | 
 External battery  | 
 JP35  | 
| 
 Speaker  | 
 CN5 pins 7 - 10  | 
 Chassis fan power  | 
 JP43  | 
| 
 Turbo LED  | 
 CN5 pins 12 - 13  | 
 Chassis fan power  | 
 JP46  | 
| 
 Turbo switch  | 
 CN5 pins 15 - 17  | 
 32-bit PCI slots  | 
 PC1 - PC3  | 
| 
 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 flash ROM  | 
 JP4  | 
 pins 2 & 3 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 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
 NONE  | 
| 
 3MB  | 
 (1) 512K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
 NONE  | 
| 
 3MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 3MB  | 
 (1) 256K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 (1) 512K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 5MB  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
 NONE  | 
 NONE  | 
| 
 5MB  | 
 (1) 512K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 5MB  | 
 (1) 256K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
| 
 5MB  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 6MB  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 6MB  | 
 (1) 1M x 36  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
| 
 6MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
| 
 6MB  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 7MB  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 7MB  | 
 (1) 256K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
| 
 8MB  | 
 (1) 2M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 8MB  | 
 (1) 1M x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
| 
 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 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
| 
 9MB  | 
 (1) 2M x 36  | 
 (1) 256K x 36  | 
 NONE  | 
 NONE  | 
| 
 9MB  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 9MB  | 
 (1) 256K x 36  | 
 (1) 2M x 36  | 
 NONE  | 
 NONE  | 
| 
 10MB  | 
 (1) 512K x 36  | 
 (1) 2M x 36  | 
 NONE  | 
 NONE  | 
| 
 10MB  | 
 (1) 2M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 10MB  | 
 (1) 2M x 36  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
| 
 10MB  | 
 (1) 1M x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
| 
 10MB  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 11MB  | 
 (1) 2M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 12MB  | 
 (1) 2M x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
| 
 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 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 14MB  | 
 (1) 2M x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
| 
 14MB  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 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 36  | 
 NONE  | 
 NONE  | 
| 
 17MB  | 
 (1) 256K x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 17MB  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 18MB  | 
 (1) 512K x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 18MB  | 
 (1) 512K x 36  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 18MB  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 18MB  | 
 (1) 4M x 36  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
| 
 19MB  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 20MB  | 
 (1) 4M x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
| 
 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 36  | 
 (1) 512K x 36  | 
 (1) 512K x 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 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 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 36  | 
 NONE  | 
 NONE  | 
| 
 33MB  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 33MB  | 
 (1) 256K x 36  | 
 (1) 8M x 36  | 
 NONE  | 
 NONE  | 
| 
 34MB  | 
 (1) 8M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 34MB  | 
 (1) 8M x 36  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
| 
 34MB  | 
 (1) 512K x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 34MB  | 
 (1) 512K x 36  | 
 (1) 8M x 36  | 
 NONE  | 
 NONE  | 
| 
 35MB  | 
 (1) 8M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 36MB  | 
 (1) 8M x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
| 
 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 36  | 
 (1) 512K x 36  | 
 (1) 512K x 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 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 50MB  | 
 (1) 512K x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 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 36  | 
 NONE  | 
 NONE  | 
| 
 65MB  | 
 (1) 256K x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 66MB  | 
 (1) 512K x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 66MB  | 
 (1) 16M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 66MB  | 
 (1) 16M x 36  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
| 
 67MB  | 
 (1) 16M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 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 36  | 
 (1) 512K x 36  | 
 NONE  | 
| 
 68MB  | 
 (1) 16M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 70MB  | 
 (1) 16M x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 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 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 98MB  | 
 (1) 512K x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 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 & 4  | 
 Open  | 
 3 & 4  | 
| 
 CX486DX  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
| 
 80486DX  | 
 Open  | 
 Open  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 4  | 
| 
 SL80486DX  | 
 Open  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
| 
 AM486DX2  | 
 Open  | 
 Open  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 4  | 
| 
 CX486DX2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
| 
 80486DX2  | 
 Open  | 
 Open  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 4  | 
| 
 SL80486DX2  | 
 Open  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
| 
 P24D  | 
 1 & 2  | 
 1 & 2, 3 & 4  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 4  | 
| 
 P24T  | 
 1 & 2  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
 1 & 2  | 
 2 & 3  | 
| 
 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 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 3, 2 & 4 closed  | 
| 
 AM486DX  | 
 Open  | 
 Open  | 
 Open  | 
 pins 1 & 3, 2 & 4 closed  | 
| 
 CX486DX  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
 pins 1 & 3, 2 & 4 closed  | 
| 
 80486DX  | 
 Open  | 
 Open  | 
 Open  | 
 pins 1 & 3, 2 & 4 closed  | 
| 
 SL80486DX  | 
 pins 4 & 5 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 3, 2 & 4 closed  | 
| 
 AM486DX2  | 
 Open  | 
 Open  | 
 Open  | 
 pins 1 & 3, 2 & 4 closed  | 
| 
 CX486DX2  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
 pins 1 & 3, 2 & 4 closed  | 
| 
 80486DX2  | 
 Open  | 
 Open  | 
 Open  | 
 pins 1 & 3, 2 & 4 closed  | 
| 
 SL80486DX2  | 
 pins 4 & 5 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 3, 2 & 4 closed  | 
| 
 P24D  | 
 pins 4 & 5 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 3, 2 & 4 closed  | 
| 
 P24T  | 
 pins 1 & 2 closed  | 
 Open  | 
 pins 2 & 3 closed  | 
 pins 1 & 3, 2 & 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 (SV8B)  | 
 1 & 2  | 
 1 & 2  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
| 
 AM486DX4 (SV8T)  | 
 2 & 3  | 
 1 & 2  | 
 Open  | 
 Open  | 
 Open  | 
| 
 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 & 4  | 
 Open  | 
 3 & 4  | 
| 
 CX486DX2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
| 
 TI486DX2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
| 
 AM486DX4  | 
 Open  | 
 Open  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 4  | 
| 
 AM486DX4 (SV8B)  | 
 1 & 2  | 
 1 & 2, 3 & 4  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 4  | 
| 
 AM486DX4 (SV8T)  | 
 Open  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 4  | 
| 
 CX486DX4  | 
 1 & 2  | 
 1 & 2, 3 & 4  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 4  | 
| 
 CX486DX4 (M7)  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 3 & 4  | 
| 
 80486dx4 (wb)  | 
 1 & 2  | 
 1 & 2, 3 & 4  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 4  | 
| 
 80486dx4 (wT)  | 
 Open  | 
 3 & 4  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 4  | 
| 
 CX5X86  | 
 1 & 2  | 
 1 & 2, 3 & 4  | 
 1 & 2, 3 & 4  | 
 Open  | 
 3 & 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 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 33MHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 40MHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 50iMHz  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 66iMHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 75iMHz  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 100iMHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 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  |