ACER, INC. V56LA Device Type Mainboard Processor CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/AM K5/Pentium/ Pentium MMX Processor Speed 100/120/133/150/166/200MHz Chip Set Unidentified Video Chip Set Unidentified Maximum Onboard Memory 128MB Maximum Video Memory 2MB Cache 256/512KB BIOS Acer Dimensions 254mm x 218mm I/O Options Ethernet 10BaseT connector, floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, cache slot, IR connector, wavetable connector, audio in – CD-ROM [Image] CONNECTIONS Purpose Location Purpose Location Parallel port C1 IDE interface 2 CN12 Serial port 2 C2 Software shutdown CN14 Serial port 1 C3 Active/LED CN15 connector PS/2 mouse port C4 Power LED CN17/pins 3 - 5 Ethernet 10BaseT C5 Green PC CN17/pins 19 & connector connector 20 VGA port CN1 IR connector CN18 Modem connector CN3 Floppy/IDE CN20 interface LED Audio connector CN4 Power switch CN21 connector AMC connector CN5 Floppy drive FD1 interface ATI media CN7 Chassis fan power FN1 connector Audio in – CD-ROM CN8 Riser slot SL1 Wavetable CN10 Cache slot SL2 connector IDE interface 1 CN11 USER CONFIGURABLE SETTINGS Function Label Position » On board video enabled JP1 Pins 2 & 3 closed On board video disabled JP1 Pins 1 & 2 closed » BIOS type select Acer JP3 Pins 1 & 2 closed BIOS type select OEM JP3 Pins 2 & 3 closed » Password disabled JP4 Pins 2 & 3 closed Password enabled JP4 Pins 1 & 2 closed » BIOS type select Block ROM JP7 Pins 1 & 2 closed BIOS type select Flash ROM JP7 Pins 2 & 3 closed » Factory configured - do not JP16 Unidentified alter » LED select IDE LED only JP18 Pins 2 & 3 closed LED select IDE & floppy JP18 Pins 1 & 2 closed » External switch select green JP19 Pins 1 & 2 closed PC External switch select reset JP19 Pins 2 & 3 closed » Software shutdown select JP20 Pins 1 & 2, 4 & 5 software shutdown closed Software shutdown select JP20 Pins 2 & 3, 5 & 6 appears off closed SIMM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 36 None 16MB (2) 2M x 36 None 16MB (2) 1M x 36 (2) 1M x 36 24MB (2) 2M x 36 (2) 1M x 36 32MB (2) 4M x 36 None 32MB (2) 2M x 36 (2) 2M x 36 40MB (2) 4M x 36 (2) 1M x 36 48MB (2) 4M x 36 (2) 2M x 36 64MB (2) 8M x 36 None 64MB (2) 4M x 36 (2) 4M x 36 72MB (2) 8M x 36 (2) 1M x 36 80MB (2) 8M x 36 (2) 2M x 36 96MB (2) 8M x 36 (2) 4M x 36 128MB (2) 8M x 36 (2) 8M x 36 CACHE CONFIGURATION Size Bank 0 SL2 256KB (2) 32K x 32 Not installed 512KB (2) 32K x 32 256KB module installed CACHE JUMPER CONFIGURATION Size JP6 256KB Pins 1 & 2 closed 512KB Pins 2 & 3 closed VIDEO MEMORY CONFIGURATION Note: The location of the video memory is unidentified. CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier JP8 JP9 JP13 JP14 JP15 JP17 speed speed 120MHz 50MHz 2x 1 & Closed 1 & 1 & 1 & 2 & 4 2 2 2 3 150MHz 60MHz 2x 2 & Closed 1 & 1 & 1 & 2 & 5 2 2 2 3 166MHz 66MHz 2x 3 & Closed 1 & 1 & 1 & 2 & 6 2 2 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86) CPU Clock Multiplier JP8 JP9 JP13 JP14 JP15 JP17 speed speed 120MHz 50MHz 2x 1 & Closed 1 & 1 & 1 & 2 & 4 2 2 2 3 150MHz 60MHz 2x 2 & Closed 1 & 1 & 1 & 2 & 5 2 2 2 3 166MHz 66MHz 2x 3 & Closed 1 & 1 & 1 & 2 & 6 2 2 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX 6X86L) CPU Clock Multiplier JP8 JP9 JP13 JP14 JP15 JP17 speed speed 120MHz 50MHz 2x 1 & Open 1 & 1 & 1 & 2 & 3 4 2 2 2 150MHz 60MHz 2x 2 & Open 1 & 1 & 1 & 2 & 3 5 2 2 2 166MHz 66MHz 2x 3 & Open 1 & 1 & 1 & 2 & 3 6 2 2 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86L) CPU Clock Multiplier JP8 JP9 JP13 JP14 JP15 JP17 speed speed 120MHz 50MHz 2x 1 & Open 1 & 1 & 1 & 2 & 3 4 2 2 2 150MHz 60MHz 2x 2 & Open 1 & 1 & 1 & 2 & 3 5 2 2 2 166MHz 66MHz 2x 3 & Open 1 & 1 & 1 & 2 & 3 6 2 2 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP8 JP9 JP13 JP14 JP15 JP17 speed speed 120MHz 60MHz 2x 2 & Closed 1 & 1 & 1 & 1 & 5 2 2 2 2 133MHz 66MHz 2x 3 & Closed 1 & 1 & 1 & 1 & 6 2 2 2 2 150MHz 60MHz 2.5x 2 & Closed 1 & 1 & 1 & 2 & 5 2 2 2 3 166MHz 66MHz 2.5x 3 & Closed 1 & 1 & 1 & 2 & 6 2 2 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP8 JP9 JP13 JP14 JP15 JP17 speed speed 100MHz 66MHz 1.5x 3 & Closed 1 & 1 & 1 & 1 & 6 2 2 2 2 120MHz 60MHz 2x 2 & Closed 1 & 1 & 1 & 2 & 5 2 2 2 3 133MHz 66MHz 2x 3 & Closed 1 & 1 & 1 & 2 & 6 2 2 2 3 150MHz 60MHz 2.5x 2 & Closed 1 & 1 & 2 & 2 & 5 2 2 3 3 166MHz 66MHz 2.5x 3 & Closed 1 & 1 & 2 & 2 & 6 2 2 3 3 200MHz 66MHz 3x 3 & Closed 1 & 1 & 2 & 1 & 6 2 2 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier JP8 JP9 JP13 JP14 JP15 JP17 speed speed 166MHz 66MHz 2.5x 3 & Open 1 & 1 & 2 & 2 & 3 6 2 2 3 200MHz 66MHz 3x 3 & Open 1 & 1 & 2 & 1 & 2 6 2 2 3 Note: Pins designated should be in the closed position.