AMPTRON INTERNATIONAL, INC. DX-9300A (VER 1.1) Processor 80486SX/SL80486SX/CX486DX/IBM486DX/TI486DX/AM486DX/ 80486DX/SL80486DX/CX486DX2/IBM486DX2/TI486DX2/AM486DX2/(SL)AM486DX2/80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX2/SL80486DX4/P24D/P24T/CXM1-SC Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)MHz Speed Chip Set Unidentified Video Chip None Set Maximum 256MB (EDO supported) Onboard Memory Maximum None Video Memory Cache 128/256/512/1024KB BIOS AMI Dimensions 254mm x 218mm I/O 32-bit PCI slots (3), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2) Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Parallel port J2 Green PC connector JP17 Game interface J3 Turbo LED JP19 Serial port 1 J9 IDE interface LED 1 JP20 Serial port 2 J13 IDE interface LED 2 JP21 Floppy drive J14 Power LED & keylock JP22 interface IDE interface 2 J15 Speaker JP23 IDE interface 1 J16 Turbo switch JP24 Green PC connector JP1 Reset switch JP25 (monitor) External battery JP2 32-bit PCI slots PC1 - PC3 Chassis fan power JP10 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP5 Pins 1 & 2 closed Flash BIOS voltage select 5v JP5 Pins 2 & 3 closed » Factory configured - do not alter JP16 Open DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x None None None 36 2MB (1) 256K x (1) 256K x None None 36 36 3MB (1) 256K x (1) 256K x (1) 256K x None 36 36 36 4MB (1) 1M x 36 None None None 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 5MB (1) 1M x 36 (1) 256K x None None 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x None 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 8MB (1) 2M x 36 None None None 8MB (1) 1M x 36 (1) 1M x 36 None None 9MB (1) 2M x 36 (1) 256K x None None 36 10MB (1) 2M x 36 (1) 256K x (1) 256K x None 36 36 11MB (1) 2M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 12MB (1) 2M x 36 (1) 1M x 36 None None 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 None 16MB (1) 4M x 36 None None None 16MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 None 16MB (1) 2M x 36 (1) 2M x 36 None None 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 17MB (1) 4M x 36 (1) 256K x None None 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x None 36 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 4M x 36 (1) 1M x 36 None None DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 20MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 None 24MB (1) 4M x 36 (1) 2M x 36 None None 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 None 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 8M x 36 None None None 32MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 None 32MB (1) 4M x 36 (1) 4M x 36 None None 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 33MB (1) 8M x 36 (1) 256K x None None 36 34MB (1) 8M x 36 (1) 256K x (1) 256K x None 36 36 36MB (1) 8M x 36 (1) 1M x 36 None None 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 None 40MB (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 None 40MB (1) 8M x 36 (1) 2M x 36 None None 40MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 44MB (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 None 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 None 48MB (1) 4M x 36 (1) 8M x 36 None None 56MB (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 64MB (1) 16M x None None None 36 64MB (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 None 64MB (1) 8M x 36 (1) 8M x 36 None None 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 65MB (1) 16M x (1) 256K x None None 36 36 66MB (1) 16M x (1) 256K x (1) 256K x None 36 36 36 67MB (1) 16M x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 68MB (1) 16M x (1) 1M x 36 None None 36 72MB (1) 16M x (1) 1M x 36 (1) 1M x 36 None 36 72MB (1) 16M x (1) 2M x 36 None None 36 72MB (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 None 76MB (1) 16M x (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 36 80MB (1) 16M x (1) 2M x 36 (1) 2M x 36 None 36 80MB (1) 16M x (1) 4M x 36 None None 36 80MB (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 88MB (1) 16M x (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 36 96MB (1) 16M x (1) 4M x 36 (1) 4M x 36 None 36 96MB (1) 16M x (1) 8M x 36 None None 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 None 100MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 112MB (1) 16M x (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 112MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 128MB (1) 16M x (1) 16M x None None 36 36 128MB (1) 16M x (1) 8M x 36 (1) 8M x 36 None 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 132MB (1) 32M x (1) 1M x 36 None None 36 136MB (1) 32M x (1) 1M x 36 (1) 1M x 36 None 36 136MB (1) 32M x (1) 2M x 36 None None 36 140MB (1) 32M x (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 36 144MB (1) 32M x (1) 4M x 36 None None 36 152MB (1) 32M x (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 36 152MB (1) 32M x (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 36 160MB (1) 16M x (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 36 160MB (1) 32M x (1) 4M x 36 (1) 4M x 36 None 36 160MB (1) 32M x (1) 8M x 36 None None 36 176MB (1) 32M x (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 36 192MB (1) 16M x (1) 16M x (1) 16M x None 36 36 36 192MB (1) 32M x (1) 8M x 36 (1) 8M x 36 None 36 224MB (1) 32M x (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 36 256MB (1) 16M x (1) 16M x (1) 16M x (1) 16M x 36 36 36 36 256MB (1) 32M x (1) 32M x None None 36 36 256MB (1) 64M x None None None 36 Note: Board accepts EDO memory. The location of banks 0 & 1 are unidentified. CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 None (1) 32K 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 512KB (4) 64K x 8 (4) 64K x 8 (1) 32K x 8 1MB (4) 128K x 8 None (1) 32K x 8 Note: The location of banks 0 & 1 are unidentified. CACHE JUMPER CONFIGURATION Size JP13 JP14 JP15 128KB 1 & 2 1 & 2 Open 256KB (A) 2 & 3 2 & 3 5 & 6 256KB (B) 1 & 2, 3 & 4 1 & 2 5 & 6 512KB 1 & 2, 3 & 4, 5 1 & 2 3 & 4, 5 & 6 & 6 1MB 2 & 3, 4 & 5, 6 2 & 3 1 & 2, 3 & 4, 5 & 7 & 6 CPU SPEED SELECTION Speed JP11 JP12 JP18 25MHz 5 & 6 2 & 3 Open 33MHz 1 & 2, 3 & 4, 2 & 3 Open 5 & 6 40MHz 3 & 4, 5 & 6 1 & 2 Closed 50iMHz 5 & 6 2 & 3 Open 50MHz 1 & 2 1 & 2 Closed 66iMHz 1 & 2, 3 & 4, 2 & 3 Open 5 & 6 75iMHz 5 & 6 2 & 3 Open 80iMHz 3 & 4, 5 & 6 1 & 2 Closed 100iMHz 1 & 2, 3 & 4, 2 & 3 Open 5 & 6 120iMHz 3 & 4, 5 & 6 1 & 2 Closed Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP26 JP27 JP28 JP29 80486SX Open Open Pins 1 & 2 Pins 1 & 2 closed closed SL80486SX Closed Open Pins 1 & 2 Pins 1 & 2 closed closed CX486DX Closed Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed IBM486DX Closed Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed TI486DX Closed Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed AM486DX Open Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 80486DX Open Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed SL80486DX Closed Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed CX486DX2 Closed Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed IBM486DX2 Closed Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed TI486DX2 Closed Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed AM486DX2 Open Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed (SL)AM486DX2 Closed Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed 80486DX2 Open Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed SL80486DX2 Closed Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed AM486DX4 Open Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed (SL)AM486DX4 Closed Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed SL80486DX4 Closed Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed P24D Closed Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed P24T Closed Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 closed closed closed CXM1-SC Closed Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed CPU TYPE SELECTION (CON’T) Type JP30 JP31 80486SX Pins 1 & 8 closed Open SL80486SX Pins 2 & 9, 5 & 12 Pins 2 & 9 closed closed CX486DX Pins 3 & 10, 6 & 13 Pins 3 & 10, 4 & 11 closed closed IBM486DX Pins 3 & 10, 6 & 13 Pins 3 & 10, 4 & 11 closed closed TI486DX Pins 3 & 10, 6 & 13 Pins 3 & 10, 4 & 11 closed closed AM486DX Pins 1 & 8, 7 & 14 Open closed 80486DX Pins 1 & 8 closed Open SL80486DX Pins 2 & 9, 5 & 12, 7 Pins 2 & 9 closed & 14 closed CX486DX2 Pins 3 & 10, 6 & 13 Pins 3 & 10, 4 & 11 closed closed IBM486DX2 Pins 3 & 10, 6 & 13 Pins 3 & 10, 4 & 11 closed closed TI486DX2 Pins 3 & 10, 6 & 13 Pins 3 & 10, 4 & 11 closed closed AM486DX2 Pins 1 & 8, 7 & 14 Open closed (SL)AM486DX2 Pins 2 & 9, 4 & 11, 5 Pins 2 & 9, 6 & 13, 7 & 12 closed & 14 closed 80486DX2 Pins 1 & 8 closed Open SL80486DX2 Pins 2 & 9, 5 & 12, 7 Pins 2 & 9 closed & 14 closed AM486DX4 Pins 1 & 8 closed Open (SL)AM486DX4 Pins 2 & 9, 5 & 12 Pins 2 & 9, 6 & 13, 7 closed & 14 closed SL80486DX4 Pins 2 & 9, 5 & 12 Pins 2 & 9 closed closed P24D Pins 2 & 9, 5 & 12 Pins 2 & 9, 6 & 13, 7 closed & 14 closed P24T Pins 2 & 9, 5 & 12 Pins 2 & 9 closed closed CXM1-SC Pins 2 & 9, 5 & 12 Pins 2 & 9, 6 & 13, 7 closed & 14 closed CPU VOLTAGE SELECTION Voltage JP6 JP7 JP8 JP9 3.3v Closed Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 4v Open Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 5v Closed Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed DMA CHANNEL SELECTION Channel JP3 JP4 1 Pins 1 & 2 closed Pins 1 & 2 closed 3 Pins 2 & 3 closed Pins 2 & 3 closed