ELITEGROUP COMPUTER SYSTEMS, INC. AL486 VIO-U3/VIO-I Processor CXM6/80486SX/SL80486SX/80486SX2/SL80486SX2/80487SX/ CX486DX/AM486DX/AM486DXL/80486DX/SL8046DX/CX486DX2/ AM486DX2/AM486DXL2/80486DX2/SL80486DX2/8046DX4 Processor 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Acer Maximum 64MB Onboard Memory Cache 64/128/256KB BIOS Phoenix Dimensions 330mm x 218mm I/O 32-bit VESA local bus slot, floppy drive interface, green PC Options connector, IDE interface, parallel port, PS/2 mouse port, serial ports (2), feature connector, VGA port, riser slot, modem ring in connector NPU None Options [Image] CONNECTIONS Function Label Function Label Parallel port J1 Modem ring in JP8 connector Serial port 2 J2 Green PC connector JP9 Serial port 1 J3 Turbo LED JP85 VGA port J4 Turbo switch JP86 External battery J5 Reset switch JP87 Feature connector J7 Speaker JP88 IDE interface J9 IDE interface LED JP89 Floppy drive J10 Riser slot SL1 interface Power LED & keylock J11 32-bit VESA local SL2 bus slot PS/2 mouse port JP2 USER CONFIGURABLE SETTINGS Setting Label Position BIOS type select EPROM JP4 Open Flash BIOS voltage select 12v JP4 Pins 1 & 2 closed Flash BIOS voltage select 5v JP4 Pins 2 & 3 closed Monitor type select normal JP5 Pins 1 & 2 closed Monitor type select CGA JP5 Pins 2 & 3 closed On board VGA enabled JP6 Pins 1 & 2 closed On board VGA disabled JP6 Pins 2 & 3 closed On board I/O enabled JP12 Pins 1 & 2 closed On board I/O disabled JP12 Pins 2 & 3 closed EPP & ECP enabled JP21 Closed EPP & ECP disabled JP21 Open Parallel port IRQ select IRQ7 JP24 Pins 1 & 2 closed Parallel port IRQ select IRQ5 JP24 Pins 2 & 3 closed IDE interface enabled JP50 Pins 1 & 2 closed IDE interface disabled JP50 Pins 2 & 3 closed » Factory configured - do not alter JP76 Open » Factory configured - do not alter JP77 Open » Factory configured - do not alter JP99 N/A Note: The location of JP76 & JP77 are unidentified. DRAM 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 4MB (1) 1M x 36 None None None 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) 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 9MB (1) 256K x (1) 1M x 36 (1) 1M x 36 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 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 33MB (1) 256K x (1) 4M x 36 (1) 4M x 36 None 36 36MB (1) 1M 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 Note: The orientation of the banks is unidentified. CACHE SIZE Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 None (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER Size JP41 JP74 JP75 64KB Open Open Pins 1 & 2 closed 128KB Pins 1 & 2 closed Closed Pins 2 & 3 closed 256KB Pins 1 & 2, 3 & 4 Closed Pins 1 & 2 closed closed CPU TYPE Setting JP54 JP60 JP61 JP62 JP63 CXM6 Closed Open 1 & 2 Open 3 & 4 80486SX Open Open 2 & 3 Open Open SL80486SX Closed Open 1 & 2 Closed 1 & 2 80486SX2 Open Open 2 & 3 Open Open SL80486SX2 Closed Open 1 & 2 Closed 1 & 2 80487SX Open 1 & 2 2 & 3 Open Open CX486DX Closed 2 & 3 1 & 2 Open 3 & 4 AM486DX Open 2 & 3 2 & 3 Open Open AM486DXL Closed 2 & 3 2 & 3 Closed 5 & 6 80486DX Open 2 & 3 2 & 3 Open Open SL80486DX Closed 2 & 3 1 & 2 Closed 1 & 2 CX486DX2 Closed 2 & 3 1 & 2 Open 3 & 4 AM486DX2 Open 2 & 3 2 & 3 Open Open AM486DXL2 Closed 2 & 3 2 & 3 Closed 5 & 6 80486DX2 Open 2 & 3 2 & 3 Open Open SL80486DX2 Closed 2 & 3 1 & 2 Closed 1 & 2 80486DX4 Closed 2 & 3 1 & 2 Closed 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE (CON’T) Setting JP64 JP66 JP70 JP73 CXM6 2 & 3 1 & 2 Open 3 & 4 80486SX 2 & 3 1 & 2 Open Open SL80486SX 2 & 3 1 & 2 Open 1 & 2 80486SX2 2 & 3 1 & 2 Open Open SL80486SX2 2 & 3 1 & 2 Open 1 & 2 80487SX 1 & 2, 3 & 1 & 2 Open Open 4 CX486DX 1 & 2, 3 & 1 & 2 Open 3 & 4 4 AM486DX 1 & 2, 3 & 1 & 2 Open Open 4 AM486DXL 1 & 2, 3 & 1 & 2 Open 5 & 6 4 80486DX 1 & 2, 3 & 1 & 2 Open Open 4 SL80486DX 1 & 2, 3 & 1 & 2 Open 1 & 2 4 CX486DX2 1 & 2, 3 & 1 & 2 Closed 3 & 4 4 AM486DX2 1 & 2, 3 & 1 & 2 Open Open 4 AM486DXL2 1 & 2, 3 & 1 & 2 Open 5 & 6 4 80486DX2 1 & 2, 3 & 1 & 2 Open Open 4 SL80486DX2 1 & 2, 3 & 1 & 2 Open 1 & 2 4 80486DX4 1 & 2, 3 & 1 & 2 Open 1 & 2 4 Note: Pins designated should be in the closed position. CPU TYPE Setting JP40 JP42 JP44 CX486M6 Closed Open Closed CX486M7 Open Open Closed AMD Open Open Open Intel Open Open Open CPU TYPE Setting JP65 JP82 CX486M6/M7 Pins 2 & 3 closed Pins 2 & 3 closed AMD Open Pins 1 & 2 closed Intel Open Open CPU TYPE Setting JP83 All CPU types Pins 1 & 2 closed 80486DX4 only Pins 2 & 3 closed CPU TYPE (80486DX4 ONLY) Setting JP81 2x Pins 2 & 3 closed 3x Open CPU SPEED Setting JP37 JP43 JP53 JP55 25MHz Pins 1 & 2, Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 5 & 6 closed closed closed closed 33MHz Pins 3 & 4, Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 5 & 6 closed closed closed closed 40MHz Pins 1 & 2, Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 3 & 4 closed closed closed closed 50iMHz Pins 1 & 2, Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 5 & 6 closed closed closed closed 66iMHz Pins 3 & 4, Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 5 & 6 closed closed closed closed 75iMHz Pins 1 & 2, Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 5 & 6 closed closed closed closed 100iMHz Pins 3 & 4, Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 5 & 6 closed closed closed closed CPU VOLTAGE Setting JP67 JP79 JP80 JP84 3.3v Pins 2 & 3 Open Open Closed closed 3.45v Pins 2 & 3 Closed Open Open closed 5v Pins 1 & 2 Open Closed Open closed DMA CHANNEL Setting JP15 JP16 DMA1 Pins 2 & 3 closed Pins 1 & 2 closed DMA3 Pins 1 & 2 closed Pins 2 & 3 closed