EFA CORPORATION 486 VIP Processor CX486S/AM486SX/SL80486SX/80486SX/CX486S2/AM486DX/CX486DX/ SL80486DX/80486DX/CX486DX2/AM486DX2/SL80486DX2/80486DX2/ 80486DX4/P24D/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Contaq Max. 64MB Onboard DRAM Cache 128/256/512/1024KB BIOS Award Dimensions 330mm x 218mm I/O 32-bit VESA local bus slots (2), 32-bit PCI slots (4), green PC Options connector NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location External battery J11 Turbo switch J71 Green PC connector J13 Speaker J72 Green PC LED J33 Power LED & keylock J73 Reset switch J69 32-bit PCI slots PC1 - PC4 Turbo LED J70 32-bit VESA local SL1 & SL2 bus slots USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation J12 pins 1 & 2 closed CMOS memory clear J12 pins 2 & 3 closed » Monitor type select color J14 Closed Monitor type select monochrome J14 Open » Factory configured - do not J15 pins 1 & 2 alter closed » Factory configured - do not J19 pins 2 & 3 alter closed » Factory configured - do not J20 pins 1 & 2 alter closed » Factory configured - do not J22 pins 2 & 3 alter closed » Factory configured - do not J23 pins 1 & 2 alter closed » Factory configured - do not J25 pins 1 & 2 alter closed » Factory configured - do not J32 Open alter » CPU speed select normal speed J76 Open CPU speed select slow speed J76 Closed 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 4MB (1) 256K x (1) 256K x (1) 512K x NONE 36 36 36 4MB (1) 512K x NONE (1) 512K x NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 256K x (1) 1M x 36 NONE NONE 36 6MB (1) 256K x (1) 256K x (1) 1M x 36 NONE 36 36 6MB (1) 512K x NONE (1) 1M x 36 NONE 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 10MB (1) 256K x (1) 256K 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 12MB (1) 1M x 36 NONE (1) 2M x 36 NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 2M 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 NONE (1) 2M x 36 NONE 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 256K x (1) 4M x 36 NONE NONE 36 18MB (1) 256K x (1) 256K x (1) 4M x 36 NONE 36 36 18MB (1) 512K x NONE (1) 4M x 36 NONE 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 24MB (1) 2M x 36 NONE (1) 4M x 36 NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 36MB (1) 1M x 36 NONE (1) 8M x 36 NONE 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 40MB (1) 2M x 36 NONE (1) 8M x 36 NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 48MB (1) 4M x 36 NONE (1) 8M x 36 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 NONE (1) 8M x 36 NONE CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 32K x 8 256KB (4) 32K x 8 (4) 32K 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) 128K x 8 CACHE JUMPER CONFIGURATION Size J40 J41 J42 J43 128KB pins 1 & 2 Open pins 2 & 3 pins 1 & 2 closed closed closed 256KB pins 2 & 3 Open pins 1 & 2 pins 1 & 2 closed closed closed 512KB pins 2 & 3 Open pins 2 & 3 pins 2 & 3 closed closed closed 1MB pins 2 & 3 pins 2 & 3 Open pins 2 & 3 closed closed closed CPU TYPE CONFIGURATION Type J21 J47 J48 J49 J50 J51 CX486S 2 & 3 1 & 2 1 & 2 2 & 3 Open 1 & 2 AM486SX 1 & 2 Open Open 1 & 2 Open Open SL80486SX 1 & 2 Open Open 2 & 3 Open Open 80486SX 1 & 2 Open Open 1 & 2 Open Open CX486S2 2 & 3 1 & 2 1 & 2 2 & 3 Open 1 & 2 AM486DX 1 & 2 Open Open 1 & 2 2 & 3 Open CX486DX 2 & 3 Open 1 & 2 2 & 3 2 & 3 1 & 2 SL80486DX 1 & 2 Open Open 2 & 3 2 & 3 Open 80486DX 1 & 2 Open Open 1 & 2 2 & 3 Open CX486DX2 2 & 3 Open 1 & 2 2 & 3 2 & 3 1 & 2 AM486DX2 1 & 2 Open Open 1 & 2 2 & 3 Open SL80486DX2 1 & 2 Open Open 2 & 3 2 & 3 Open 80486DX2 1 & 2 Open Open 1 & 2 2 & 3 Open 80486DX4 (2x) 1 & 2 Open Open 2 & 3 2 & 3 Open 80486DX4 1 & 2 Open Open 2 & 3 2 & 3 Open (2.5x) 80486DX4 (3x) 1 & 2 Open Open 2 & 3 2 & 3 Open P24D (WT) 1 & 2 Open Open 2 & 3 2 & 3 2 & 3 P24D (WB) 1 & 2 Open Open 2 & 3 2 & 3 2 & 3 P24T (WT) 1 & 2 Open Open 2 & 3 1 & 2 1 & 2 P24T (WB) 1 & 2 Open Open 2 & 3 1 & 2 1 & 2 Note: Pins desingated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type J52 J53 J54 J55 J56 CX486S 2 & 3 2 & 3 4 & 5 5 & 6 5 & 6 AM486SX 2 & 3 Open Open Open Open SL80486SX 2 & 3 1 & 2 3 & 4, 5 Open Open & 6 80486SX 2 & 3 Open Open Open Open CX486S2 2 & 3 2 & 3 4 & 5 5 & 6 5 & 6 AM486DX 1 & 2, Open Open Open Open 3 & 4 CX486DX 1 & 2, 2 & 3 4 & 5 5 & 6 5 & 6 3 & 4 SL80486DX 1 & 2, 1 & 2 3 & 4, 5 Open Open 3 & 4 & 6 80486DX 1 & 2, Open Open Open Open 3 & 4 CX486DX2 1 & 2, 2 & 3 4 & 5 5 & 6 5 & 6 3 & 4 AM486DX2 1 & 2, Open Open Open Open 3 & 4 SL80486DX2 1 & 2, 1 & 2 3 & 4, 5 Open Open 3 & 4 & 6 80486DX2 1 & 2, Open Open Open Open 3 & 4 80486DX4 (2x) 1 & 2, 1 & 2 3 & 4, 5 Open 2 & 3 3 & 4 & 6 80486DX4 (2.5x) 1 & 2, 1 & 2 3 & 4, 5 Open 4 & 5 3 & 4 & 6 80486DX4 (3x) 1 & 2, 1 & 2 3 & 4, 5 Open 1 & 2 3 & 4 & 6 P24D (WT) 1 & 2, 1 & 2, 3 3 & 4, 5 1 & 2, 4 Open 3 & 4 & 4 & 6 & 5 P24D (WB) 1 & 2, 1 & 2, 3 3 & 4, 5 2 & 3, 4 Open 3 & 4 & 4 & 6 & 5 P24T (WT) 1 & 2, 1 & 2 3 & 4, 5 1 & 2 Open 3 & 4 & 6 P24T (WB) 1 & 2, 1 & 2 3 & 4, 5 3 & 4 Open 3 & 4 & 6 Note: Pins desingated should be in the closed position. CPU SPEED CONFIGURATION Speed J16 J24 J26 J27 J28 25MHz Closed 2 & 3 Closed 1 & 2 2 & 3 33MHz Open 2 & 3 Closed 2 & 3 1 & 2 40MHz 1 Open 2 & 3 Open 1 & 2 2 & 3 40MHz 2 Open 1 & 2 Open 1 & 2 2 & 3 40MHz 3 Open 1 & 2 Open 1 & 2 2 & 3 50iMHz 1 & 2 2 & 3 Closed 1 & 2 2 & 3 50MHz 4 Open 1 & 2 Open 2 & 3 1 & 2 50MHz 5 Open 1 & 2 Open 2 & 3 1 & 2 66iMHz Open 2 & 3 Closed 2 & 3 1 & 2 75iMHz Closed 2 & 3 Closed 1 & 2 2 & 3 100iMHz Open 2 & 3 Closed 2 & 3 1 & 2 Note: 1 = PCI 40mhz. 2 = PCI 33mhz & OCS2 =>33mhz. 3 = PCI 20mhz & OSC2 =>empty. 4 = PCI 33mhz & OCS2 =>33mhz. 5 = PCI 25mhz & OSC2 =>empty. Pins designated should be in the closed postion. CPU SPEED CONFIGURATION (CON’T) Speed J29 J46 J57 J58 J59 25MHz Open Open Open Open pins 2 & 3 closed 33MHz Open Open Open Open pins 2 & 3 closed 40MHz 1 Open Open Closed Closed pins 2 & 3 closed 40MHz 2 Open Closed Closed Closed pins 2 & 3 closed 40MHz 3 Closed Closed Closed Closed pins 2 & 3 closed 50iMHz Open Open Open Open pins 2 & 3 closed 50MHz 4 Open Closed Closed Closed pins 2 & 3 closed 50MHz 5 Closed Closed Closed Closed pins 2 & 3 closed 66iMHz Open Open Open Open pins 2 & 3 closed 75iMHz Open Open Open Open pins 2 & 3 closed 100iMHz Open Open Open Open pins 2 & 3 closed Note: 1 = PCI 40mhz. 2 = PCI 33mhz & OCS2 =>33mhz. 3 = PCI 20mhz & OSC2 =>empty. 4 = PCI 33mhz & OCS2 =>33mhz. 5 = PCI 25mhz & OSC2 =>empty. CPU VOLTAGE CONFIGURATION Voltage J74 3.3v (80486DX4 only) pins 3 & 5, 4 & 6 closed 5.0v pins 1 & 3, 2 & 4 closed PCI COMPLIANCE CONFIGURATION Slot J75 PC1 (PCI compliant) pins 10 & 11 closed PC1 (Non PCI compliant) pins 11 & 12 closed PC2 PCI compliant) pins 7 & 8 closed PC2 (Non PCI compliant) pins 8 & 9 closed PC3 (PCI compliant) pins 4 & 5 closed PC3 (Non PCI compliant) pins 5 & 6 closed PC4 (PCI compliant) pins 1 & 2 closed PC4 (Non PCI compliant) pins 2 & 3 closed PCI IRQ CONFIGURATION (IRQ3) IRQ J31A PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed PCI IRQ CONFIGURATION (IRQ4) IRQ J31B PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed PCI IRQ CONFIGURATION (IRQ5) IRQ J31C PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed PCI IRQ CONFIGURATION (IRQ6) IRQ J31J PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed PCI IRQ CONFIGURATION (IRQ7) IRQ J31D PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed PCI IRQ CONFIGURATION (IRQ9) IRQ J31I PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed PCI IRQ CONFIGURATION (IRQ10) IRQ J31E PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed PCI IRQ CONFIGURATION (IRQ11) IRQ J31F PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed PCI IRQ CONFIGURATION (IRQ12) IRQ J31G PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed PCI IRQ CONFIGURATION (IRQ14) IRQ J31K PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed PCI slot 1 (IDE) pins 2 & 4 closed PCI IRQ CONFIGURATION (IRQ15) IRQ J31H PCI compliant pins 1 & 2 closed Non PCI compliant pins 2 & 3 closed