ACER, INC. V10-486 ALL IN ONE, 486U AIO ALL IN ONE Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 20/25/33/40/50(internal)/50/66(internal)MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Unidentified Memory Maximum Video None Memory Cache 128/256KB BIOS Unidentified Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2), floppy drive interface, IDE interface, SCSI interface, parallel port, PS/2 mouse port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CO1 Chassis fan power J9 Serial port 2 CO2 Front panel J10 connector PS/2 mouse port J2 Keyboard & PS/2 J11 mouse connector External battery J3 IDE interface LED J12 SCSI interface J6 Parallel port PT1 Floppy drive J7 32-bit VESA local SL1 & SL2 interface bus slots IDE interface J8 USER CONFIGURABLE SETTINGS Function Label Position Password enabled JP1 Pins 1 & 2 closed Password disabled JP1 Pins 2 & 3 closed » Factory configured - do not JP4 Open alter » Factory configured - do not JP5 Open alter SCSI I/O address select 340h JP6 Open SCSI I/O address select 140h JP6 Closed MS105 enabled JP7 Closed MS105 disabled JP7 Open Parallel port bidirectional JP8 Closed Parallel port unidirectional JP8 Open Battery type select internal JP9 Closed Battery type select external JP9 Open » Factory configured - do not JP12 Unidentified alter » Factory configured - do not JP13 Unidentified alter » Factory configured - do not JP14 Unidentified alter Reset button enabled JP23 Closed Reset button disabled JP23 Open Keylock enabled JP24 Open Keylock disabled JP24 Closed » Factory configured - do not JX1 Unidentified alter DRAM CONFIGURATION Note: The maximum amount of memory is unidentified. Bank 0 is factory installed with 4MB memory. DRAM JUMPER CONFIGURATION Setting JP15 On board 4MB enabled Pins 2 & 3 closed On board 4MB disabled Pins 1 & 2 closed CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 None (1) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP20 JP21 JP22 128KB Pins 1 & 2 Closed Open closed 256KB Pins 2 & 3 Open Closed closed CPU SPEED SELECTION Speed JP10 20MHz Pins 1 & 6 closed 25MHz Pins 2 & 7 closed 33MHz Pins 3 & 8 closed 40MHz Pins 4 & 9 closed 50iMHz Pins 2 & 7 closed 50MHz Pins 5 & 10 closed 66iMHz Pins 3 & 8 closed VL BUS WAIT STATE SELECTION Setting JP11 0 Open » 1 Closed SCSI INTERRUPT SELECTION IRQ JP3 IRQ10 Pins 1 & 2 closed IRQ11 Pins 2 & 3 closed SCSI interface disabled Open