ATEN RESEARCH, INC. AM-486VIP / 4VIP3 Processor AM486DX/CX486DX/80486DX/AM486DX2/CX486DX2/80486DX2/ AM486DX4/80486DX4 Processor 25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Unidentified Max. Onboard 64MB DRAM Cache 128/256/512KB BIOS AMI/Award/MR Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2), 32-bit PCI slots (4), green PC connector (location unidentified) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Turbo switch J1 Power LED & keylock J5 Turbo LED J2 Green PC connector JP3 Speaker J3 32-bit PCI slots PC0 - PC3 Reset switch J4 32-bit VESA local bus SL1 & SL2 slots USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » DRAM bank configuration JP23 pins 1 & 2 select 1 SIMM per bank closed DRAM bank configuration JP23 pins 2 & 3 select 2 SIMMs per bank closed » CMOS memory normal operation JP2 pins 1 & 2 closed CMOS memory clear JP2 pins 2 & 3 closed » Flash BIOS select 5VDC JP12 pins 1 & 2 closed Flash BIOS select 12VDC JP12 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 4MB (1) 1M x 36 NONE NONE NONE 4MB (1) 512K x (1) 512K x NONE NONE 36 36 4MB (1) 512K x (1) 256K x (1) 256K x NONE 36 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) 512K x (1) 256K x NONE 36 36 36 5MB (1) 512K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 6MB (1) 1M x 36 (1) 512K x NONE NONE 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE 36 36 6MB (1) 512K x (1) 512K x (1) 512K x NONE 36 36 36 6MB (1) 512K x (1) 512K x (1) 256K x (1) 256K x 36 36 36 36 7MB (1) 1M x 36 (1) 512K x (1) 256K x NONE 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 7MB (1) 512K x (1) 512K x (1) 512K x (1) 256K x 36 36 36 36 8MB (1) 2M x 36 NONE NONE NONE 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 1M x 36 (1) 512K x (1) 512K x NONE 36 36 8MB (1) 1M x 36 (1) 512K x (1) 256K x (1) 256K x 36 36 36 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) 1M x 36 (1) 1M x 36 (1) 256K x NONE 36 9MB (1) 1M x 36 (1) 512K x (1) 512K x (1) 256K x 36 36 36 10MB (1) 2M x 36 (1) 512K x NONE NONE 36 10MB (1) 2M x 36 (1) 256K x (1) 256K x NONE 36 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 512K x NONE 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 10MB (1) 1M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 11MB (1) 2M x 36 (1) 512K x (1) 256K x NONE 36 36 11MB (1) 2M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 11MB (1) 1M x 36 (1) 1M x 36 (1) 512K x (1) 256K x 36 36 DRAM CONFIGURATION CON’T Size Bank 0 Bank 1 Bank 2 Bank 3 12MB (1) 2M x 36 (1) 1M x 36 NONE NONE 12MB (1) 2M x 36 (1) 512K x (1) 512K x NONE 36 36 12MB (1) 2M x 36 (1) 512K x (1) 256K x (1) 256K x 36 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 12MB (1) 1M x 36 (1) 1M x 36 (1) 512K x (1) 512K x 36 36 13MB (1) 2M x 36 (1) 1M x 36 (1) 256K x NONE 36 13MB (1) 2M x 36 (1) 512K x (1) 512K x (1) 256K x 36 36 36 13MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 14MB (1) 2M x 36 (1) 1M x 36 (1) 512K x NONE 36 14MB (1) 2M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 14MB (1) 2M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 14MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 512K x 36 15MB (1) 2M x 36 (1) 1M x 36 (1) 512K x (1) 256K x 36 36 16MB (1) 4M x 36 NONE NONE NONE 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 NONE 16MB (1) 2M x 36 (1) 1M x 36 (1) 512K x (1) 512K x 36 36 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) 2M x 36 (1) 2M x 36 (1) 256K x NONE 36 17MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 18MB (1) 4M x 36 (1) 512K x NONE NONE 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x NONE 36 36 18MB (1) 2M x 36 (1) 2M x 36 (1) 512K x NONE 36 18MB (1) 2M x 36 (1) 2M x 36 (1) 256K x (1) 256K x 36 36 18MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 (1) 512K x 36 19MB (1) 4M x 36 (1) 512K 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) 2M x 36 (1) 2M x 36 (1) 512K x (1) 256K x 36 36 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 20MB (1) 4M x 36 (1) 512K x (1) 512K x NONE 36 36 20MB (1) 4M x 36 (1) 512K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 NONE 20MB (1) 2M x 36 (1) 2M x 36 (1) 512K x (1) 512K x 36 36 20MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 21MB (1) 4M x 36 (1) 1M x 36 (1) 256K x NONE 36 21MB (1) 4M x 36 (1) 512K x (1) 512K x (1) 256K x 36 36 36 21MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 (1) 256K x 36 22MB (1) 4M x 36 (1) 1M x 36 (1) 512K 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) 512K x (1) 512K x (1) 512K x 36 36 36 22MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 (1) 512K x 36 23MB (1) 4M x 36 (1) 1M x 36 (1) 512K x (1) 256K x 36 36 DRAM CONFIGURATION CON’T Size Bank 0 Bank 1 Bank 2 Bank 3 24MB (1) 4M x 36 (1) 2M x 36 NONE NONE 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 24MB (1) 4M x 36 (1) 1M x 36 (1) 512K x (1) 512K x 36 36 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 25MB (1) 4M x 36 (1) 2M x 36 (1) 256K x NONE 36 25MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 25MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 256K x 36 26MB (1) 4M x 36 (1) 2M x 36 (1) 512K x NONE 36 26MB (1) 4M x 36 (1) 2M x 36 (1) 256K x (1) 256K x 36 36 26MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 512K x 36 26MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 512K x 36 27MB (1) 4M x 36 (1) 2M x 36 (1) 512K x (1) 256K x 36 36 28MB (1) 4M x 36 (1) 2M x 36 (1) 1M x 36 NONE 28MB (1) 4M x 36 (1) 2M x 36 (1) 512K x (1) 512K x 36 36 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 28MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 29MB (1) 4M x 36 (1) 2M x 36 (1) 1M x 36 (1) 256K x 36 30MB (1) 4M x 36 (1) 2M x 36 (1) 1M x 36 (1) 512K x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 NONE 32MB (1) 4M x 36 (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x NONE 36 33MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 (1) 256K x 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 512K 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) 2M x 36 (1) 2M x 36 (1) 512K x 36 35MB (1) 4M x 36 (1) 4M x 36 (1) 512K x (1) 256K x 36 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 NONE 36MB (1) 4M x 36 (1) 4M x 36 (1) 512K x (1) 512K x 36 36 36MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 37MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 256K x 36 38MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 512K x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 NONE 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 40MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 41MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 (1) 256K x 36 42MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 (1) 512K x 36 44MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 DRAM CONFIGURATION CON’T Size Bank 0 Bank 1 Bank 2 Bank 3 49MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 256K x 36 50MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 512K x 36 52MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 56MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 (1) 8K x 8 256KB (4) 64K x 8 (1) 32K x 8 512KB (4) 128K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP20 128KB pins 1 & 2 closed 256KB pins 1 & 2 closed 512KB pins 2 & 3 closed CPU TYPE CONFIGURATION Type JP11 JPV1 JPV2 JP99 AM486DX pins 1 & 2 pins 1 & 2 pins 1 & 2 Closed closed closed closed CX486DX pins 2 & 3 pins 1 & 2 pins 1 & 2 Closed closed closed closed 80486DX pins 1 & 2 pins 1 & 2 pins 1 & 2 Closed closed closed closed AM486DX2 pins 1 & 2 pins 1 & 2 pins 1 & 2 Closed closed closed closed CX486DX2 pins 2 & 3 pins 2 & 3 pins 2 & 3 Closed closed closed closed 80486DX2 pins 1 & 2 pins 1 & 2 pins 1 & 2 Closed closed closed closed AM486DX4 pins 1 & 2 pins 2 & 3 pins 2 & 3 Open closed closed closed 80486DX4 pins 1 & 2 pins 2 & 3 pins 2 & 3 Open closed closed closed CPU SPEED CONFIGURATION Speed JP7 JP27 JP28 25 pins 1 & 2 pins 2 & 3 Closed closed closed 33 pins 2 & 3 pins 1 & 2 Open closed closed 50i pins 1 & 2 pins 2 & 3 Closed closed closed 66i pins 2 & 3 pins 1 & 2 Open closed closed 75i pins 1 & 2 pins 2 & 3 Closed closed closed 100i pins 2 & 3 pins 1 & 2 Open closed closed PCI BUS CONFIGURATION Trigger JP38A (PCI 0) JP38B (PCI 1) JP38C (PCI 2) Level pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed Edge pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed IDE CARD SLOT SELECT CONFIGURATION Setting JP38D Select PCI 3 using IRQ14 Closed Select ISA or VESA Open PCI BUS CONFIGURATION Setting JP10A(IRQ9) JP10B(IRQ10) JP10C(IRQ11) JP10D(IRQ12) JP10E(IRQ15) Compliance pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 Non-compliance pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 Note:Pins designated should be in the closed position.