ASUS COMPUTER INTERNATIONAL VL/I-486SV2G, VL/I-486SV2GX4 (REV. 1.1) Processor 80486SX/SL80486SX/80487SX/CX486S/CX486DX/80486DX/SL80486DX/ SLODP486/ODP486SX/CX486DX2/80486DX2/80486DX4/Pentium Overdrive Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/82.5(internal)/ Speed 99(internal)/100(internal)MHz Chip Set SIS Max. 64MB Onboard DRAM Cache 128/256/512/1024KB BIOS Award Dimensions 220mm x 220mm I/O 32-bit VESA local bus slots (2), PS/2 mouse port, green PC Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location External battery BCON1 Green PC 1 JP2 Turbo switch CN1 Green PC 2 JP3 Turbo LED CN2 Green PC 3 JP4 Reset switch CN3 Suspend power JP28 management Speaker CN4 32-bit VESA local bus S1 slot Power LED & keylock CN5 32-bit VESA local bus S2 slot PS/2 mouse connector CN6 USER CONFIGURABLE SETTINGS Function Jumper Position » Battery type select (Internal) JP1 pins 1 & 2 closed Battery type select (External) JP1 pins 2 & 3 closed » IRQ12 enabled JP7 pins 1 & 2 closed IRQ12 disabled JP7 pins 2 & 3 closed » Factory configured - do not alter JP8 N/A » Monitor type select CGA JP9 pins 2 & 3 closed Monitor type select monochrome or JP9 pins 1 & 2 VGA closed » Hardware SMI switch enabled JP10 pins 2 & 3 closed RC control enabled JP10 pins 1 & 2 closed » CPU manufacturer select type JP11 pins 2 & 3 Intel closed CPU manufacturer select type JP11 pins 1 & 2 Cyrix closed » Delay VESA clock JP24 pins 1 & 2 closed No Delay VESA clock JP24 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 1M x 36 NONE NONE NONE 2MB (1) 1M x 36 (1) 1M x 36 NONE NONE 2MB (1) 2M x 36 NONE NONE NONE 4MB (1) 4M x 36 NONE NONE NONE 5MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 6MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 6MB (1) 2M x 36 NONE (1) 4M x 36 NONE 8MB (1) 4M x 36 (1) 4M x 36 NONE NONE 10MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 NONE 10MB (1) 2M x 36 NONE (1) 4M x 36 (1) 4M x 36 10MB (1) 2M x 36 NONE (1) 8M x 36 NONE 12MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 12MB (1) 8M x 36 NONE (1) 4M x 36 NONE 16MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 16MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 NONE 16MB (1) 8M x 36 NONE (1) 8M x 36 NONE 16MB (1) 8M x 36 NONE (1) 4M x 36 (1) 4M x 36 16MB (1) 16M x NONE NONE NONE 36 17MB (1) 1M x 36 (1) 16M x NONE NONE 36 18MB (1) 1M x 36 (1) 1M x 36 (1) 16M x NONE 36 18MB (1) 2M x 36 NONE (1) 16M x NONE 36 20MB (1) 4M x 36 (1) 16M x NONE NONE 36 24MB (1) 4M x 36 (1) 4M x 36 (1) 16M x NONE 36 24MB (1) 8M x 36 NONE (1) 16M x NONE 36 32MB (1) 16M x (1) 16M x NONE NONE 36 36 32MB (1) 32M x NONE NONE NONE 36 36MB (1) 4M x 36 (1) 16M x (1) 16M x NONE 36 36 DRAM CONFIGURATION (CONT.) Size Bank 0 Bank 1 Bank 2 Bank 3 40MB (1) 4M x 36 (1) 4M x 36 (1) 16M x (1) 16M x 36 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 32M x NONE 36 40MB (1) 8M x 36 NONE (1) 16M x (1) 16M x 36 36 40MB (1) 8M x 36 NONE (1) 32M x NONE 36 40MB (1) 16M x (1) 16M x (1) 16M x NONE 36 36 36 64MB (1) 16M x (1) 16M x (1) 16M x (1) 16M x 36 36 36 36 64MB (1) 16M x (1) 16M x (1) 32M x NONE 36 36 36 64MB (1) 32M x NONE (1) 32M x NONE 36 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8/(4) (4) 32K x 8/NONE (1) 32K x 8 64K x 8 512KB (4) 64K x 8/(4) (4) 64K x 8/NONE (1) 32K x 8 128K x 8 1024KB (4) 128K x 8 (4) 128K x 8 (1) 128K x 8 CACHE JUMPER CONFIGURATION Size JP13 JP14 JP25 128KB Open pins 2 & 3 pins 1 & 2 closed closed 256KB (32K x Open pins 1 & 2 pins 1 & 2 8) closed closed 256KB (64K x pins 1 & 2 pins 2 & 3 pins 1 & 2 8) closed closed closed 512KB (64K x pins 5 & 6 pins 1 & 2 pins 2 & 3 8) closed closed closed 512KB (128K x pins 1 & 2 pins 2 & 3 pins 2 & 3 8) closed closed closed 1024KB pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed CPU TYPE CONFIGURATION Type JP16 JP17 JP18 JP19 JP20 80486SX Open Open Open pins 2 & pins 2 & 3 3 SL486SX 3 & 4 Open pins 4 & pins 2 & pins 2 & and 5 & 5 3 3 6 80487SX Open Open Open pins 1 & pins 2 & 2 3 CX486S 2 & 3 pins 1 1 & 2 pins 2 & pins 2 & and 4 & & 2 and 3 & 3 3 5 4 CX486DX 2 & 3 pins 1 1 & 2 pins 1 & pins 2 & and 4 & & 2 and 3 & 2 3 5 4 80486DX Open Open Open pins 1 & pins 2 & 2 3 SL486DX 3 & 4 Open pins 4 & pins 1 & pins 2 & and 5 & 5 2 3 6 SLODP486 pins 5 & Open pins 4 & pins 1 & pins 2 & 6 5 2 3 ODP486SX Open Open Open pins 1 & pins 2 & 2 3 CX486DX2 2 & 3 pins 1 1 & 2 1 & 2 pins 2 & and 4 & & 2 and 3 & and 4 & 3 5 4 5 80486DX2 Open Open Open pins 1 & pins 2 & 2 3 SL486DX2 3 & 4 Open pins 4 & pins 1 & pins 2 & and 5 & 5 2 3 6 80486DX4 (2 x) 3 & 4 pins 5 pins 4 & pins 1 & pins 2 & and 5 & & 6 5 2 3 6 80486DX4 (2.5 3 & 4 pins 4 pins 4 & pins 1 & pins 2 & x) and 5 & & 5 5 2 3 6 80486DX4 (3 x) 3 & 4 Open pins 4 & pins 1 & pins 2 & and 5 & 5 2 3 6 Pentium pins 5 & Open pins 4 & pins 1 & pins 1 & Overdrive 6 5 2 2 Note:Pins designated should be in the closed position. HARDWARE TRAP CPU TYPE CONFIGURATION Type JP5 JP6 80486SX pins 1 & 2 closed pins 2 & 3 closed CX486S pins 2 & 3 closed pins 1 & 2 closed CX486DX pins 2 & 3 closed pins 1 & 2 closed 80486DX pins 1 & 2 closed pins 2 & 3 closed SL486SX pins 1 & 2 closed pins 2 & 3 closed SL486DX pins 1 & 2 closed pins 2 & 3 closed 80486DX2 pins 1 & 2 closed pins 2 & 3 closed SL486DX2 pins 1 & 2 closed pins 2 & 3 closed SL486DX4 pins 1 & 2 closed pins 2 & 3 closed Pentium Overdrive pins 1 & 2 closed pins 1 & 2 closed CPU SPEED CONFIGURATION Speed JP21 JP22 JP23 20MHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 25MHz pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 33MHz pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 40MHz pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed 50i MHz pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 50MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 66i MHz pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 75i MHz (3x) pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 82.5i MHz pins 2 & 3 pins 2 & 3 pins 2 & 3 (2.5x) closed closed closed 99i MHz (3x) pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 100i MHz (2x) pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed VESA WAIT STATE/BUS SPEED CONFIGURATION CPU speed Wait states JP26 JP27 <=33MHz 0 wait states pins 1 & 2 pins 1 & 2 closed closed >33MHz 1 wait state pins 2 & 3 pins 2 & 3 closed closed CPU VOLTAGE SELECTION Function JP12 JP15 3.3V (DX4) pins 2 & 3 closed pins 2 & 3 closed 5V pins 1 & 2 closed pins 1 & 2 closed