BEK-TRONIC TECHNOLOGY, INC. BEK-V429S Processor 80486SX/SL80486SX/CX486DX/AM486DX/80486DX/SL80486DX/ CX486DX2/AM486DX2/SL80486DX2/80486DX2/CX486DX4/ CX486DX4/(SL)AM486DX4/SL80486DX4/P24D/P24T/CX5X86 Processor 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/ Speed 100(internal)/120(internal)MHz Chip Set OPTI Video Chip None Set Maximum 64MB Onboard Memory Maximum None Video Memory Cache 64/128/256/512KB BIOS Award Dimensions 254mm x 218mm I/O Options 32-bit VESA local bus slots (3), green PC connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery J2 Speaker JP38 Power LED & keylock J22 Green PC connector JP39 (monitor) Green PC connector JP6 Green PC LED JP41 Turbo LED JP34 Reset switch S1 Turbo switch JP36 32-bit VESA local SL1 – SL3 bus slots USER CONFIGURABLE SETTINGS Function Label Position Monitor type select color JP1 Closed Monitor type select monochrome JP1 Open » CMOS memory normal operation JP2 Pins 2 & 3 closed CMOS memory clear JP2 Pins 1 & 2 closed Battery type select external JP2 Open » Factory configured - do not JP7 Closed alter » Factory configured - do not JP30 Unidentified alter » Factory configured - do not JP31 Pins 2 & 3 closed alter LRDY wait state select 0 wait JP33 Pins 2 & 3 closed states LRDY wait state select 1 wait JP33 Pins 1 & 2 closed state DRAM CONFIGURATION 1 Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (4) 256K x 9 None None None 2MB (4) 256K x 9 (1) 256K x None None 36 4MB (4) 1M x 9 None None None 4MB (4) 256K x 9 (1) 256K x (1) 256K x (1) 256K x 36 36 36 5MB (4) 256K x 9 (1) 1M x 36 None None 6MB (4) 256K x 9 (1) 256K x (1) 1M x 36 None 36 8MB (4) 1M x 9 (1) 1M x 36 None None 8MB (4) 1M x 9 None (1) 1M x 36 None 10MB (4) 256K x 9 (1) 256K x (1) 1M x 36 (1) 1M x 36 36 12MB (4) 1M x 9 None (1) 1M x 36 (1) 1M x 36 16MB (4) 4M x 9 None None None 16MB (4) 1M x 9 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 17MB (4) 256K x 9 (1) 4M x 36 None None 20MB (4) 1M x 9 (1) 4M x 36 None None 20MB (4) 1M x 9 None (1) 4M x 36 None 32MB (4) 4M x 9 (1) 4M x 36 None None 64MB (4) 4M x 9 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 DRAM CONFIGURATION 2 Size Bank 0 Bank 1 Bank 2 Bank 3 1MB None (1) 256K x None None 36 4MB None (1) 1M x 36 None None 8MB None (1) 1M x 36 (1) 1M x 36 None 12MB None (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB None (1) 4M x 36 None None 20MB None (1) 1M x 36 (1) 4M x 36 None 32MB None (1) 4M x 36 (1) 4M x 36 None DRAM JUMPER CONFIGURATION Configuration JP5 1 Pins 2 & 3 closed 2 Pins 1 & 2 closed CACHE CONFIGURATION 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 (A) (4) 32K x 8 (4) 32K x 8 (1) 16K/32K x 8 256KB (B) (2) 64K x 32 None (1) 16K/32K x 8 512KB (4) 128K x 8 None (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP8 JP27 JP28 JP43 64KB Pins 2 & 3 Open Open Open closed 128KB Pins 1 & 2 Closed Open Open closed 256KB (A) Pins 2 & 3 Closed Closed Open closed 256KB (B) Pins 1 & 2 Closed Closed Open closed 512KB Pins 1 & 2 Closed Closed Closed closed CACHE TAG CONFIGURATION Size JP44 (1) 8K x 8 Pins 1 & 2 closed (1) 16K x 8 Pins 2 & 3 closed (1) 32K x 8 Pins 1 & 2 closed CPU TYPE SELECTION Type JP9 JP10 JP11 JP12 80486SX-25 Open Closed 1 & 2 Open 80486SX-33 Open Closed 1 & 2 Open SL80486SX-25 Open Closed 1 & 2 1 & 2 SL80486SX-33 Open Closed 1 & 2 1 & 2 SL8046SX2-50 Open Closed 1 & 2 1 & 2 CX486DX-33 Closed Open 2 & 3 2 & 3 CX486DX-40 Closed Open 2 & 3 2 & 3 AM486DX-33 Open Open 1 & 2 Open AM486DX-40 Open Open 1 & 2 Open 80486DX-33 Open Open 1 & 2 Open SL80486DX-33 Open Closed 1 & 2 1 & 2 CX486DX2-50 Closed Open 2 & 3 2 & 3 CX486DX2-66 Closed Open 2 & 3 2 & 3 AM486DX2-66NV8T Open Open 1 & 2 Open AM486DX2-80NV8T Open Open 1 & 2 Open AM486DX2-66NV8T Open Open 1 & 2 Open SL80486DX2-50 Open Closed 1 & 2 1 & 2 80486DX2-66 Open Closed 1 & 2 Open SL80486DX2-66 Open Closed 1 & 2 1 & 2 CX486DX2-80 Closed Open 2 & 3 2 & 3 CX486DX4-100 Closed Open 2 & 3 2 & 3 (SL)AM486DX4-100 Open Closed 1 & 2 1 & 2 (SL)AM486DX4-120 Open Closed 1 & 2 1 & 2 SL80486DX4-75 Open Closed 1 & 2 1 & 2 SL80486DX4-100 Open Closed 1 & 2 1 & 2 P24D Open Closed 2 & 3 1 & 2 P24T Open Closed 2 & 3 1 & 2 CX5X86-100 Open Closed 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CON’T) Type JP13 JP15 JP17 JP18 80486SX-25 Open Open Open Open 80486SX-33 Open Open Closed Closed SL80486SX-25 Open Open Open Open SL80486SX-33 Open Open Closed Closed SL8046SX2-50 Open Open Open Open CX486DX-33 1 & 2 Open Closed Closed CX486DX-40 1 & 2 Open Closed Open AM486DX-33 1 & 2 Open Closed Closed AM486DX-40 1 & 2 Open Closed Open 80486DX-33 1 & 2 Open Closed Closed SL80486DX-33 1 & 2 Open Closed Closed CX486DX2-50 1 & 2 Open Open Open CX486DX2-66 1 & 2 Open Closed Closed AM486DX2-66NV8T 1 & 2 Open Closed Closed AM486DX2-80NV8T 1 & 2 Open Closed Open AM486DX2-66NV8T 1 & 2 Open Closed Closed SL80486DX2-50 1 & 2 Open Open Open 80486DX2-66 1 & 2 Open Closed Closed SL80486DX2-66 1 & 2 Open Closed Closed CX486DX2-80 1 & 2 Open Closed Open CX486DX4-100 1 & 2 Open Closed Closed (SL)AM486DX4-100 1 & 2 Open Closed Closed (SL)AM486DX4-120 1 & 2 Open Closed Open SL80486DX4-75 1 & 2 Open Open Open SL80486DX4-100 1 & 2 Open Closed Closed P24D 1 & 2 Closed Closed Closed P24T 1 & 2 Open Closed Closed CX5X86-100 1 & 2 Closed Closed Closed Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CON’T) Type JP19 JP20 JP21 JP22 80486SX-25 Open Open Open Open 80486SX-33 Open Open Open Open SL80486SX-25 Open Closed Closed Open SL80486SX-33 Open Closed Closed Open SL8046SX2-50 Open Closed Closed Open CX486DX-33 Open Open Open Open CX486DX-40 Open Open Open Open AM486DX-33 Open Open Open Open AM486DX-40 Open Open Open Open 80486DX-33 Open Open Open Open SL80486DX-33 Open Closed Closed Open CX486DX2-50 Open Open Open Closed CX486DX2-66 Open Open Open Closed AM486DX2-66NV8T 2 & 3 Open Open Open AM486DX2-80NV8T 2 & 3 Open Open Open AM486DX2-66NV8T Open Open Open Open SL80486DX2-50 Open Closed Closed Open 80486DX2-66 Open Open Open Open SL80486DX2-66 Open Closed Closed Open CX486DX2-80 Open Open Open Closed CX486DX4-100 Open Open Open Closed (SL)AM486DX4-100 Open Closed Closed Open (SL)AM486DX4-120 Open Closed Closed Open SL80486DX4-75 Open Closed Closed Open SL80486DX4-100 Open Closed Closed Open P24D 1 & 2 Closed Closed Open P24T Open Closed Closed Open CX5X86-100 1 & 2 Closed Closed Open Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CON’T) Type JP23 JP29 JP32 80486SX-25 2 & 3 1 & 3, 2 & 4 Open 80486SX-33 2 & 3 1 & 3, 2 & 4 Open SL80486SX-25 2 & 3 1 & 3, 2 & 4 Open SL80486SX-33 2 & 3 1 & 3, 2 & 4 Open SL8046SX2-50 2 & 3 1 & 3, 2 & 4 Open CX486DX-33 1 & 2, 3 & 4 1 & 3, 2 & 4 Open CX486DX-40 1 & 2, 3 & 4 1 & 3, 2 & 4 Open AM486DX-33 1 & 2, 3 & 4 1 & 3, 2 & 4 Open AM486DX-40 1 & 2, 3 & 4 1 & 3, 2 & 4 Open 80486DX-33 1 & 2, 3 & 4 1 & 3, 2 & 4 Open SL80486DX-33 1 & 2, 3 & 4 1 & 3, 2 & 4 Open CX486DX2-50 1 & 2, 3 & 4 1 & 3, 2 & 4 Open CX486DX2-66 1 & 2, 3 & 4 1 & 3, 2 & 4 Open AM486DX2-66NV8T 1 & 2, 3 & 4 1 & 3, 2 & 4 Open AM486DX2-80NV8T 1 & 2, 3 & 4 1 & 3, 2 & 4 Open AM486DX2-66NV8T 1 & 2, 3 & 4 1 & 3, 2 & 4 Open SL80486DX2-50 1 & 2, 3 & 4 1 & 3, 2 & 4 Open 80486DX2-66 1 & 2, 3 & 4 1 & 3, 2 & 4 Open SL80486DX2-66 1 & 2, 3 & 4 1 & 3, 2 & 4 Open CX486DX2-80 1 & 2, 3 & 4 1 & 3, 2 & 4 Open CX486DX4-100 1 & 2, 3 & 4 1 & 3, 2 & 4 Open (SL)AM486DX4-100 1 & 2, 3 & 4 3 & 5, 4 & 6 Open (SL)AM486DX4-120 1 & 2, 3 & 4 3 & 5, 4 & 6 Open SL80486DX4-75 1 & 2, 3 & 4 3 & 5, 4 & 6 Open SL80486DX4-100 1 & 2, 3 & 4 3 & 5, 4 & 6 Open P24D Open 1 & 3, 2 & 4 Open P24T 1 & 2, 3 & 4 1 & 3, 2 & 4 2 & 3 CX5X86-100 1 & 2, 3 & 4 3 & 5, 4 & 6 Open Note: Pins designated should be in the closed position. VL BUS WAIT STATE SELECTION Setting JP35 0 Open 1 Closed VL BUS SPEED SELECTION Speed JP37 <= 33MHz Open >33 MHz Closed