BIOSTAR MICROTECH INTERNATIONAL, INC. MB-1425UIV, MB-1433UIV, MB-1440UIV, MB-1450UIV (VER. 01) Processor CX486SXM6/80486SX/CX486M7/UMC486/AM486DXL/80486DX/ SL80486DX/80486DX/80486DX2/80486DX4/P24D/P24T Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Unidentified Video Chip None Set Maximum 64MB Onboard Memory Maximum None Video Memory Cache 64/128/256KB BIOS AMI/Award Dimensions 250mm x 220mm I/O 32-bit VESA local bus slots (3) Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location External battery JP8 Turbo switch JP15 pins 14 & 15 Speaker JP15 pins 1 - +5v ground JP15 pins 17 & 4 18 Power LED & JP15 pins 5 - Green PC LED JP24 keylock 9 Turbo LED JP15 pins 10 & Green PC connector JP25 11 Reset switch JP15 pins 12 & 32-bit VESA local SL1 - SL3 13 bus slots USER CONFIGURABLE SETTINGS Function Label Position Battery type select external JP8 Closed CMOS memory normal operation JP8 Pins 2 & 3 closed CMOS memory clear JP8 Pins 3 & 4 closed Jumper information unavailable JP31 Unidentified Jumper information unavailable JP32 Unidentified DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 1MB None None (4) 256K x 9 1MB (1) 256K x 36 None None 1MB None (1) 256K x 36 None 2MB (1) 256K x 36 None (4) 256K x 9 2MB None (1) 256K x 36 (4) 256K x 9 2MB (1) 256K x 36 (1) 256K x 36 None 2MB (1) 512K x 36 None None 2MB None (1) 512K x 36 None 3MB (1) 256K x 36 (1) 256K x 36 (4) 256K x 9 3MB None (1) 512K x 36 (4) 256K x 9 3MB (1) 256K x 36 (1) 512K x 36 None 3MB (1) 512K x 36 (1) 256K x 36 None 4MB (1) 256K x 36 (1) 512K x 36 (4) 256K x 9 4MB None None (4) 1M x 9 4MB (1) 512K x 36 (1) 512K x 36 None 4MB (1) 1M x 36 None None 4MB None (1) 1M x 36 None 5MB (1) 1M x 36 None (4) 256K x 9 5MB None (1) 1M x 36 (4) 256K x 9 5MB (1) 256K x 36 None (4) 1M x 9 5MB None (1) 256K x 36 (4) 1M x 9 5MB (1) 256K x 36 (1) 1M x 36 None 5MB (1) 1M x 36 (1) 256K x 36 None 6MB None (1) 512K x 36 (4) 1M x 9 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 6MB (1) 1M x 36 (1) 512K x 36 None 6MB (1) 512K x 36 (1) 1M x 36 None 7MB (1) 1M x 36 (1) 512K x 36 (4) 256K x 9 7MB (1) 256K x 36 (1) 512K x 36 (4) 1M x 9 8MB (1) 1M x 36 None (4) 1M x 9 8MB None (1) 1M x 36 (4) 1M x 9 8MB (1) 1M x 36 (1) 1M x 36 None 8MB (1) 2M x 36 None None 8MB None (1) 2M x 36 None 9MB (1) 1M x 36 (1) 1M x 36 (4) 256K x 9 9MB (1) 1M x 36 (1) 256K x 36 (4) 1M x 9 9MB (1) 256K x 36 (1) 1M x 36 (4) 1M x 9 10MB (1) 1M x 36 (1) 512K x 36 (4) 1M x 9 12MB (1) 1M x 36 (1) 1M x 36 (4) 1M x 9 12MB None (1) 2M x 36 (4) 4M x 9 12MB (1) 1M x 36 (1) 2M x 36 None 12MB (1) 2M x 36 (1) 1M x 36 None 16MB None None (4) 4M x 9 16MB (1) 4M x 36 None None 16MB None (1) 4M x 36 None 17MB (1) 4M x 36 None (4) 256K x 9 17MB None (1) 4M x 36 (4) 256K x 9 17MB (1) 256K x 36 None (4) 4M x 9 17MB None (1) 256K x 36 (4) 4M x 9 18MB (1) 256K x 36 (1) 4M x 36 (4) 256K x 9 18MB (1) 4M x 36 (1) 256K x 36 (4) 256K x 9 19MB (1) 4M x 36 (1) 512K x 36 (4) 256K x 9 20MB (1) 4M x 36 None (4) 1M x 9 20MB None (1) 4M x 36 (4) 1M x 9 20MB (1) 1M x 36 None (4) 4M x 9 20MB None (1) 1M x 36 (4) 4M x 9 21MB (1) 1M x 36 (1) 4M x 36 (4) 256K x 9 21MB (1) 4M x 36 (1) 1M x 36 (4) 256K x 9 24MB (1) 1M x 36 (1) 4M x 36 (4) 1M x 9 24MB (1) 4M x 36 (1) 1M x 36 (4) 1M x 9 32MB (1) 4M x 36 None (4) 4M x 9 32MB None (1) 4M x 36 (4) 4M x 9 32MB (1) 4M x 36 (1) 4M x 36 None 32MB (1) 8M x 36 None None 32MB None (1) 8M x 36 None DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 33MB (1) 8M x 36 None (4) 256K x 9 33MB None (1) 8M x 36 (4) 256K x 9 33MB (1) 4M x 36 (1) 4M x 36 (4) 256K x 9 33MB (1) 4M x 36 (1) 256K x 36 (4) 4M x 9 33MB (1) 256K x 36 (1) 4M x 36 (4) 4M x 9 34MB (1) 4M x 36 (1) 512K x 36 (4) 4M x 9 36MB (1) 4M x 36 (1) 1M x 36 (4) 4M x 9 36MB (1) 1M x 36 (1) 4M x 36 (4) 4M x 9 36MB None (1) 8M x 36 (4) 1M x 9 36MB (1) 4M x 36 (1) 4M x 36 (4) 1M x 9 48MB (1) 4M x 36 (1) 4M x 36 (4) 4M x 9 48MB None (1) 8M x 36 (4) 4M x 9 48MB (1) 4M x 36 (1) 8M x 36 None 48MB (1) 8M x 36 (1) 4M x 36 None 64MB (1) 8M x 36 (1) 8M x 36 None 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) 32K x 8 256KB (B) (4) 64K x 8 None (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP7 JP9 JP10 JP33 64KB Open Open Pins 2 & 3 Open closed 128KB Open Pins 1 & 2 Pins 1 & 2 Closed closed closed 256KB (A) Closed Pins 2 & 3 Pins 2 & 3 Closed closed closed 256KB (B) Closed Pins 1 & 2, 3 Pins 1 & 2 Closed & 4 closed closed CPU SPEED SELECTION Speed JP4 JP5 JP6 25MHz Open Open Closed 33MHz Closed Closed Closed 40MHz Open Closed Closed 50iMHz Open Open Closed 50MHz Closed Open Open 66iMHz Closed Closed Closed 75iMHz Open Open Closed 100iMHz Closed Closed Closed CPU TYPE SELECTION Type JP11 JP12 JP13 CX486M6 1 & 2, 3 & 4, 1 & 2, 3 & 4, 2 & 3 5 & 6 5 & 6 80486SX Open 2 & 3 2 & 3 CX486M7 1 & 2, 3 & 4, 1 & 2, 3 & 4, 1 & 2, 3 & 4 5 & 6 5 & 6 UMC486 2 & 3 2 & 3 2 & 3 AM486DXL 2 & 3 2 & 3 1 & 2, 3 & 4 80486DX Open 2 & 3 1 & 2, 3 & 4 SL80486DX 1 & 2 1 & 2 1 & 2, 3 & 4 80486DX2 Open 2 & 3 1 & 2, 3 & 4 80486DX4 1 & 2 1 & 2 1 & 2, 3 & 4 P24D 1 & 2, 4 & 5 1 & 2, 4 & 5 1 & 2, 3 & 4 P24T 1 & 2 1 & 2 1 & 2, 3 & 4 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CON’T) Type JP17 JP18 JP19 JP35 CX486M6 Open 2 & 3, 4 & 2 & 3, 4 & Open 5 5 80486SX Open Open Open Closed CX486M7 1 & 2 2 & 3, 4 & 2 & 3 Open 5 UMC486 3 & 4 1 & 2 Open Closed AM486DXL 1 & 2, 3 & 1 & 2 Open Closed 4 80486DX 1 & 2 Open Open Closed SL80486DX 1 & 2 5 & 6 1 & 2, 3 & Open 4 80486DX2 1 & 2 Open Open Closed 80486DX4 1 & 2 5 & 6 1 & 2, 3 & Open 4 P24D 1 & 2 3 & 4, 5 & 1 & 2, 3 & Open 6 4 P24T 2 & 3 5 & 6 1 & 2, 3 & Open 4 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP14 JP16 JP27 3.45v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 5v Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed VL BUS WAIT STATE SELECTION Setting JP22 0 Open 1 Closed VL BUS SPEED SELECTION Setting JP21 <= 33MHz Open >33 MHz Closed