SOYO TECHNOLOGY CO., LTD. SY-030G/H Processor 80486SX/SL80486SX/CX486DX/U5S/80486DX/CX486DX2/AM486DX2/ 80486DX2/AM486DX4/80486DX4/P24D/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ Speed 100(internal)MHz Chip Set Unidentified Max. 256MB Onboard DRAM Cache 256/512/1024KB BIOS Award Dimensions 330mm x 218mm I/O 32-bit PCI slots (3), IDE interfaces (2), green PC connector Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location IDE interface J4 External battery J20 (primary) IDE interface J5 Turbo switch J21 (secondary) Green PC connector J6 Turbo LED J22 Power LED & keylock J17 IDE Interface LED JP10 (primary) Speaker J18 IDE interface LED JP11 (secondary) Reset switch J19 32-bit PCI slots PCI1 - PCI3 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP3 Closed Monitor type select monochrome JP3 Open » CMOS memory normal operation JP5 pins 1 & 2 closed CMOS memory clear JP5 pins 2 & 3 closed » Factory configured - do not JP28 pins 2 & 3, 4 & 5 alter closed » Factory configured - do not JP29 N/A alter » Factory configured - do not JP35 N/A alter » Factory configured - do not JP36 N/A alter » Factory configured - do not JP37 N/A alter » Factory configured - do not JP38 N/A alter » Factory configured - do not JP39 pins 1 & 2 closed alter » Factory configured - do not JP45 Open alter Note: The location of JP28 is unidentified. 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 2MB (1) 512K x NONE NONE NONE 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 512K x (1) 512K x NONE NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 256K x (1) 1M x 36 NONE NONE 36 6MB (1) 512K x (1) 512K x (1) 512K x NONE 36 36 36 8MB (1) 512K x (1) 512K x (1) 512K x (1) 512K x 36 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 12MB (1) 512K x (1) 512K x (1) 1M x 36 (1) 1M x 36 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 256K x (1) 4M x 36 NONE NONE 36 20MB (1) 512K x (1) 512K x (1) 4M x 36 NONE 36 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 24MB (1) 512K x (1) 512K x (1) 1M x 36 (1) 4M x 36 36 36 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 NONE 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 36MB (1) 512K x (1) 512K x (1) 4M x 36 (1) 4M x 36 36 36 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 36MB (1) 1M x 36 (1) 8M x 36 NONE NONE 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 8M 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 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 16M x 36 NONE NONE NONE 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 65MB (1) 256K x (1) 16M x 36 NONE NONE 36 68MB (1) 1M x 36 (1) 16M x 36 NONE NONE 68MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 NONE 70MB (1) 16M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 72MB (1) 1M x 36 (1) 1M x 36 (1) 16M x 36 NONE 72MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 80MB (1) 4M x 36 (1) 16M x 36 NONE NONE 80MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 NONE 88MB (1) 16M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 16M x 36 NONE 96MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 NONE 112MB (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 128MB (1) 16M x 36 (1) 16M x 36 NONE NONE 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 132MB (1) 16M x 36 (1) 16M x 36 (1) 512K x (1) 512K x 36 36 144MB (1) 16M x 36 (1) 16M x 36 (1) 2M x 36 (1) 2M x 36 160MB (1) 16M x 36 (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 160MB (1) 16M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 192MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 192MB (1) 16M x 36 (1) 16M x 36 (1) 8M x 36 (1) 8M x 36 194MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 (1) 512K x 36 200MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 (1) 2M x 36 208MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 (1) 4M x 36 224MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 (1) 8M x 36 256MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 256KB (4) 64K x 8 NONE (1) 32K x 8 512KB (4) 64K x 8 (4) 64K x 8 (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 64K x 8 CACHE JUMPER CONFIGURATION Size JP23 JP24 JP25 256KB pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 256KB pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed 512KB pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 512KB pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed 1MB pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed CPU TYPE CONFIGURATION Type JP1 JP2 JP4 JP6 JP7 80486SX Open Open 1 & 3, Open 3 & 4 2 & 4 SL80486SX Open Open 1 & 3, Open 3 & 4 2 & 4 CX486DX (5v) Open Open 1 & 3, 3 & 4 2 & 3 2 & 4 U5S Open Open 1 & 3, Open Open 2 & 4 80486DX (5v) Open Open 1 & 3, Open 3 & 4 2 & 4 CX486DX2 (3.6v) Open Open 3 & 5, 3 & 4 2 & 3 4 & 6 CX486DX2 (4v) Open Open 3 & 5, 1 & 2 2 & 3 4 & 6 CX486DX2 (5v) Open Open 1 & 3, 3 & 4 2 & 3 2 & 4 AM486DX2 (3.45v) Open 2 & 3 3 & 5, 5 & 6 3 & 4 4 & 6 80486DX2 (5v) Open Open 1 & 3, Open 3 & 4 2 & 4 AM486DX4 (3.45v) Open 1 & 2 3 & 5, 5 & 6 3 & 4 4 & 6 80486DX4 (3.45v) Open Open 3 & 5, 5 & 6 3 & 4 4 & 6 80486DX4 (5v) Open Open 1 & 3, Open 3 & 4 2 & 4 P24D Open 1 & 2 1 & 3, Open 1 & 2, 3 2 & 4 & 4 Pentium Open Open 1 & 3, Open 3 & 4 Overdrive 2 & 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP8 JP9 JP15 JP16 JP17 80486SX Open 2 & 3 Open 2 & 3 Open SL80486SX Open 2 & 3 Open 2 & 3 Open CX486DX (5v) 2 & 3 1 & 2, 3 & 4 2 & 3 2 & 3 3 & 4 U5S 3 & 4 1 & 2, 1 & 2, 3 2 & 3 Open 3 & 4 & 4 80486DX (5v) Open 1 & 2, 3 & 4 2 & 3 Open 3 & 4 CX486DX2 (3.6v) 2 & 3 1 & 2, 3 & 4 2 & 3 2 & 3 3 & 4 CX486DX2 (4v) 2 & 3 1 & 2, 3 & 4 2 & 3 2 & 3 3 & 4 CX486DX2 (5v) 2 & 3 1 & 2, 3 & 4 2 & 3 2 & 3 3 & 4 AM486DX2 (3.45v) Open 1 & 2, 3 & 4 2 & 3 Open 3 & 4 80486DX2 (5v) Open 1 & 2, 3 & 4 2 & 3 Open 3 & 4 AM486DX4 (3.45v) Open 1 & 2, 3 & 4 2 & 3 Open 3 & 4 80486DX4 (3.45v) Open 1 & 2, 3 & 4 2 & 3 Open 3 & 4 80486DX4 (5v) Open 1 & 2, 3 & 4 2 & 3 Open 3 & 4 P24D Open 1 & 2, 3 & 4 1 & 2 1 & 2 3 & 4 Pentium 1 & 2 1 & 2, 2 & 3 1 & 2 1 & 2 Overdrive 3 & 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP18 JP19 JP20 80486SX pins 1 & 2 Open pins 2 & 3 closed closed SL80486SX pins 1 & 2 Open pins 2 & 3 closed closed CX486DX (5v) pins 1 & 2 Open pins 1 & 2 closed closed U5S pins 2 & 3 Open pins 4 & 5 closed closed 80486DX (5v) pins 1 & 2 Open pins 2 & 3 closed closed CX486DX2 (3.6v) pins 1 & 2 Open pins 1 & 2 closed closed CX486DX2 (4v) pins 1 & 2 Open pins 1 & 2 closed closed CX486DX2 (5v) pins 1 & 2 Open pins 1 & 2 closed closed AM486DX2 (3.45v) pins 1 & 2 Open pins 2 & 3 closed closed 80486DX2 (5v) pins 1 & 2 Open pins 2 & 3 closed closed AM486DX4 (3.45v) pins 1 & 2 Open pins 2 & 3 closed closed 80486DX4 (3.45v) pins 1 & 2 Open pins 2 & 3 closed closed 80486DX4 (5v) pins 1 & 2 Open pins 2 & 3 closed closed P24D pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed Pentium Overdrive pins 1 & 2 Open pins 2 & 3 closed closed CPU TYPE CONFIGURATION (CON’T) Type JP21 JP22 JP44 80486SX pins 1 & 2 pins 4 & 5 Open closed closed SL80486SX pins 1 & 2 pins 4 & 5 Open closed closed CX486DX (5v) Open pins 2 & 3 Open closed U5S Open Open Open 80486DX (5v) pins 1 & 2 pins 4 & 5 Open closed closed CX486DX2 (3.6v) Open pins 2 & 3 Open closed CX486DX2 (4v) Open pins 2 & 3 Open closed CX486DX2 (5v) Open pins 2 & 3 Open closed AM486DX2 (3.45v) pins 1 & 2 pins 4 & 5 Open closed closed 80486DX2 (5v) pins 1 & 2 pins 4 & 5 Open closed closed AM486DX4 (3.45v) pins 1 & 2 pins 4 & 5 Open closed closed 80486DX4 (3.45v) pins 1 & 2 pins 4 & 5 Open closed closed 80486DX4 (5v) pins 1 & 2 pins 4 & 5 Open closed closed P24D pins 2 & 3 pins 4 & 5 Open closed closed Pentium Overdrive Open pins 1 & 2 pins 1 & 2 closed closed CPU SPEED CONFIGURATION Speed JP30 JP31 JP32 JP33 25MHz Open Open Open pins 1 & 2 closed 33MHz Open Closed Closed pins 1 & 2 closed 40MHz Open Open Closed pins 2 & 3 closed 50iMHz Open Open Open pins 1 & 2 closed 50MHz Open Closed Open pins 2 & 3 closed 66iMHz Open Closed Closed pins 1 & 2 closed 75iMHz Open Open Open pins 1 & 2 closed 80iMHz Open Open Closed pins 2 & 3 closed 100iMHz Open Closed Closed pins 1 & 2 closed