ACER AMERICA CORPORATION VI7 Processor 80486SX/AM486DX/CX486DX/80486DX/AM486DX2/CX486DX2/80486DX2/ Pentium Overdrive/Pentium Processor 25/33/40/50(internal)/50/60/66(internal)/66MHz Speed Chip Set OPTI Max. 128MB Onboard DRAM Cache 256/512KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery BA2 Turbo switch J2 (pins 15 - 17) Power LED & J2 (pins 1 - Reset switch J2 (pins 19 - keylock 5) 20) Speaker J2 (pins 6 - 32-bit VESA SL1 & SL2 10) local bus slots Turbo LED J2 (pins 12 - 13) USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not JP3 Open alter » Factory configured - do not JP7 Open alter » Factory configured - do not JP14 pins 1 & 2 alter closed » CMOS memory normal operation JP27 pins 2 & 3 closed CMOS memory clear JP27 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 512K x NONE NONE NONE 36 4MB (1) 512K x (1) 512K x NONE NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 4MB NONE NONE NONE (4) 1M x 9 6MB (1) 512K x (1) 512K x (1) 512K x NONE 36 36 36 6MB (1) 512K x (1) 1M x 36 NONE NONE 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 8MB NONE (1) 1M x 36 NONE (4) 1M x 9 10MB (1) 512K x (1) 2M x 36 NONE NONE 36 12MB (1) 512K x (1) 512K x (1) 2M x 36 NONE 36 36 12MB (1) 1M x 36 (1) 2M x 36 NONE NONE 12MB NONE (1) 2M x 36 NONE (4) 1M x 9 14MB (1) 512K x (1) 1M x 36 (1) 2M x 36 NONE 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 NONE 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 4M x 36 NONE NONE NONE 16MB NONE (1) 1M x 36 (1) 2M x 36 (4) 1M x 9 16MB NONE NONE NONE (4) 4M x 9 18MB (1) 512K x (1) 2M x 36 (1) 2M x 36 NONE 36 18MB (1) 512K x (1) 2M x 36 (1) 2M x 36 NONE 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 20MB NONE (1) 2M x 36 (1) 2M x 36 (4) 1M x 9 20MB NONE (1) 4M x 36 NONE (4) 1M x 9 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 24MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 (4) 1M x 9 24MB (1) 1M x 36 (1) 4M x 36 NONE (4) 1M x 9 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 32MB NONE (1) 4M x 36 NONE (4) 4M x 9 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 34MB (1) 512K x (1) 8M x 36 NONE NONE 36 36MB (1) 512K x (1) 2M x 36 (1) 8M x 36 NONE 36 36MB (1) 1M x 36 (1) 8M x 36 NONE NONE 36MB NONE (1) 8M x 36 NONE (4) 1M x 9 38MB (1) 512K x (1) 1M x 36 (1) 8M x 36 NONE 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 NONE 40MB (1) 2M x 36 (1) 8M x 36 NONE NONE 40MB NONE (1) 1M x 36 (1) 8M x 36 (4) 1M x 9 42MB (1) 512K x (1) 2M x 36 (1) 8M x 36 NONE 36 44MB (1) 1M x 36 (1) 2M x 36 (1) 8M x 36 NONE 44MB NONE (1) 2M x 36 (1) 8M x 36 (4) 1M x 9 48MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 NONE 48MB (1) 4M x 36 (1) 8M x 36 NONE NONE 48MB NONE (1) 8M x 36 NONE (4) 1M x 9 48MB (1) 1M x 36 (1) 2M x 36 (1) 8M x 36 (4) 1M x 9 50MB (1) 512K x (1) 4M x 36 (1) 8M x 36 NONE 36 52MB (1) 1M x 36 (1) 4M x 36 (1) 8M x 36 NONE 52MB NONE (1) 4M x 36 (1) 8M x 36 (4) 1M x 9 56MB (1) 2M x 36 (1) 4M x 36 (1) 8M x 36 NONE 56MB (1) 1M x 36 (1) 4M x 36 (1) 8M x 36 (4) 1M x 9 64MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 NONE 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 64MB NONE (1) 4M x 36 (1) 8M x 36 (4) 4M x 9 64MB NONE NONE NONE (4) 16M x 9 66MB (1) 512K x (1) 8M x 36 (1) 8M x 36 NONE 36 68MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 NONE 68MB NONE (1) 8M x 36 (1) 8M x 36 (4) 1M x 9 72MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 (4) 1M x 9 80MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 NONE 80MB NONE (1) 8M x 36 (1) 8M x 36 (4) 4M x 9 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 NONE 96MB NONE (1) 8M x 36 NONE (4) 16M x 9 96MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 (4) 4M x 9 128MB NONE (1) 8M x 36 (1) 8M x 36 (4) 16M x 9 DRAM JUMPER CONFIGURATION Size JP13 JP15 JP16 JP17 2MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 4MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 4MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 4MB pins 2 & 3, 4 NONE NONE pins 1 & 2 & 5 closed closed 6MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 6MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 8MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 8MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 8MB pins 2 & 3, 4 NONE NONE pins 1 & 2 & 5 closed closed 10MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 12MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 12MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 12MB pins 2 & 3, 4 NONE NONE pins 1 & 2 & 5 closed closed 14MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 16MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 16MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 16MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 16MB pins 2 & 3, 4 NONE NONE pins 1 & 2 & 5 closed closed 16MB pins 2 & 3, 4 NONE NONE pins 1 & 2 & 5 closed closed 18MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 18MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 20MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 20MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 20MB pins 2 & 3, 4 NONE NONE pins 1 & 2 & 5 closed closed 20MB pins 2 & 3, 4 NONE NONE pins 1 & 2 & 5 closed closed 24MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 24MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 24MB pins 2 & 3, 4 NONE pins 2 & 3 pins 1 & 2 & 5 closed closed closed 24MB pins 2 & 3, 4 NONE pins 2 & 3 pins 1 & 2 & 5 closed closed closed 32MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 32MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 32MB pins 2 & 3, 4 NONE NONE pins 1 & 2 & 5 closed closed 34MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 36MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 36MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 36MB pins 2 & 3, 4 NONE NONE pins 1 & 2 & 5 closed closed 38MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 40MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 40MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 40MB pins 2 & 3, 4 NONE NONE pins 1 & 2 & 5 closed closed DRAM JUMPER CONFIGURATION (CON’T) Size JP13 JP15 JP16 JP17 42MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 44MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 44MB pins 2 & 3, 4 Open Open pins 1 & 2 & 5 closed closed 48MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 48MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 48MB pins 2 & 3, 4 Open Open pins 1 & 2 & 5 closed closed 48MB pins 2 & 3, 4 Open pins 2 & 3 pins 1 & 2 & 5 closed closed closed 50MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 52MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 52MB pins 2 & 3, 4 Open Open pins 1 & 2 & 5 closed closed 56MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 56MB pins 2 & 3, 4 Open pins 2 & 3 pins 1 & 2 & 5 closed closed closed 64MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 64MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 64MB pins 2 & 3, 4 Open Open pins 1 & 2 & 5 closed closed 64MB pins 1 & 2, 3 Open Open pins 2 & 3 & 4 closed closed 66MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 68MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 68MB pins 2 & 3, 4 Open Open pins 1 & 2 & 5 closed closed 72MB pins 2 & 3, 4 Open pins 2 & 3 pins 1 & 2 & 5 closed closed closed 80MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 80MB pins 2 & 3, 4 Open Open pins 1 & 2 & 5 closed closed 96MB pins 2 & 3, 4 pins 1 & 2 pins 1 & 2 pins 1 & 2 & 5 closed closed closed closed 96MB pins 1 & 2, 3 Open Open pins 2 & 3 & 4 closed closed 96MB pins 2 & 3, 4 Open pins 2 & 3 pins 1 & 2 & 5 closed closed closed 128MB pins 1 & 2, 3 Open Open pins 2 & 3 & 4 closed closed CACHE CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 TAG 256KB (80486) (4) 32K (4) 32K NONE NONE (1) 32K x x 8 x 8 8 256KB (Pentium) NONE (4) 32K NONE (4) 32K (1) 32K x x 8 x 8 8 512KB (Pentium) (4) 32K (4) 32K (4) 32K (4) 32K (1) 32K x x 8 x 8 x 8 x 8 8 CACHE JUMPER CONFIGURATION Size JP28 JP29 JP30 JP31 JP32 256KB (80486) 1 & 2 1 & 2 2 & 3 1 & 2 2 & 3 256KB (Pentium) 2 & 3 Open 2 & 3 2 & 3 1 & 2 512KB (Pentium) 2 & 3 2 & 3 1 & 2 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP18 JP19 JP20 JP21 JP22 JP23 JP24 JP25 80486SX 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 Open Open 80486DX 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 80486DX2 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 P24T 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3 Open Open Pentium 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP1 JP2 JP4 JP8 JP9 JP10 JP11 JP12 25MHz 1 & 2 & 2 & Open Closed Closed Closed 1 & 2 2 3 3 33MHz 2 & 1 & 2 & Open Closed Closed Open 1 & 2 3 2 3 40MHz 1 & 1 & 2 & Closed Open Closed Closed 1 & 2 2 2 3 50iMHz 1 & 2 & 1 & Open Open Closed Open 1 & 2 2 3 2 50MHz 2 & 2 & 1 & Closed Open Closed Open 2 & 3 3 3 2 60MHz 2 & 1 & 2 & Open Closed Open Open 2 & 3 3 2 3 66iMHz 2 & 1 & 2 & Open Closed Closed Open 1 & 2 3 2 3 66MHz 2 & 1 & 2 & Open Closed Open Closed 2 & 3 3 2 3 Note: Pins designated should be in the closed position. VESA WAIT STATE CONFIGURATION Wait states JP5 0 wait states Open 1 wait state Closed BUS SPEED CONFIGURATION CPU speed JP6 <= 33MHz Open > 33MHz Closed