ACER, INC. AP5V Device Type Mainboard Processor Pentium Processor Speed 75/90/100/120/133/150/166/200MHz Chip Set Intel 430VX Video Chip Set None Maximum Onboard 128MB (EDO & SDRAM supported) Memory Maximum Video Memory None Cache 256/512KB BIOS AMI Dimensions 280mm x 220mm I/O Options 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VRM connector, USB connector [Image] CONNECTIONS Purpose Location Purpose Location Front panel connector C1 IDE interface 1 CN6 IDE interface LED C2 PS/2 mouse interface CN7 Serial port 1 CN1 Chassis fan power CN12 Serial port 2 CN2 32-bit PCI slots PC1 – PC4 Parallel port CN3 USB connector USB Floppy drive interface CN4 VRM connector VRM IDE interface 2 CN5 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP12 Pins 1 & 2 closed CMOS memory clear JP12 Pins 2 & 3 closed » On board I/O enabled JP13 Pins 1 & 2 closed On board I/O disabled JP13 Pins 2 & 3 closed » ISA clock select CLK/3 JP14 Pins 1 & 2 closed ISA clock select CLK/4 JP14 Pins 2 & 3 closed » PS/2 mouse enabled JP15 Pins 1 & 2 closed PS/2 mouse disabled JP15 Pins 2 & 3 closed » Flash BIOS voltage select 5v JP16 Pins 2 & 3 closed Flash BIOS voltage select 12v JP16 Pins 1 & 2 closed » Factory configured - do not JP17 Unidentified alter » Factory configured - do not JP18 Unidentified alter » Factory configured - do not JP20 Unidentified alter » Factory configured - do not JP21 Unidentified alter » Factory configured - do not JP22 Unidentified alter » Factory configured - do not JP23 Unidentified alter » Keyboard clock select 8MHz JP24 Pins 1 & 2 closed Keyboard clock select 12MHz JP24 Pins 2 & 3 closed DIMM CONFIGURATION Size Bank 0 Bank 1 8MB (1) 1M x 64 None 16MB (1) 2M x 64 None 16MB (1) 1M x 64 (1) 1M x 64 24MB (1) 2M x 64 (1) 1M x 64 32MB (1) 4M x 64 None 32MB (1) 2M x 64 (1) 2M x 64 40MB (1) 4M x 64 (1) 1M x 64 48MB (1) 4M x 64 (1) 2M x 64 64MB (1) 8M x 64 None 64MB (1) 4M x 64 (1) 4M x 64 72MB (1) 8M x 64 (1) 1M x 64 80MB (1) 8M x 64 (1) 2M x 64 96MB (1) 8M x 64 (1) 4M x 64 128MB (1) 8M x 64 (1) 8M x 64 Note: Board accepts EDO & SDRAM memory. DIMM CONFIGURATION Type JP8 JP9 » SDRAM Open Open EDO Pins 1 & 2, 3 & 4, 5 Pins 1 & 2, 3 & 4, 5 & 6 closed & 6 closed CACHE CONFIGURATION Size Bank 0 256KB (2) 32K x 32 512KB (2) 64K x 32 CPU SPEED SELECTION CPU speed Clock Multiplier JP1 JP2 JP3 JP4 speed 75MHz 50MHz 1.5x 1 & 2 1 & 2 1 & 2 1 & 2 90MHz 60MHz 1.5x 1 & 2 1 & 2 2 & 3 1 & 2 100MHz 66MHz 1.5x 1 & 2 1 & 2 1 & 2 2 & 3 120MHz 60MHz 2x 1 & 2 2 & 3 2 & 3 1 & 2 133MHz 66MHz 2x 1 & 2 2 & 3 1 & 2 2 & 3 150MHz 60MHz 2.5x 2 & 3 2 & 3 2 & 3 1 & 2 166MHz 66MHz 2.5x 2 & 3 2 & 3 1 & 2 2 & 3 200MHz 66MHz 3x 2 & 3 1 & 2 1 & 2 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP5 JP6 » P54C Pins 1 & 2, 3 & 4, 5 Pins 1 & 2, 3 & 4, 5 & 6 closed & 6 closed P55C Open Open CPU VOLTAGE SELECTION Voltage JP7 3.45v Pins 1 & 2 closed 3.52v Pins 2 & 3 closed DMA CHANNEL SELECTION Channel JP10 JP11 1 Pins 2 & 3 closed Pins 2 & 3 closed » 3 Pins 1 & 2 closed Pins 1 & 2 closed