IBM CORPORATION APTIVA 2144/2168 C-2 Processor 80486SX/80486SX2/80487SX/486 Overdrive/80486DX/80486DX2 Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set Unidentified Video Chip Set None Maximum Onboard 128MB Memory Maximum Video None Memory Cache 128/256KB BIOS IBM Dimensions 330mm x 218mm I/O Options 32-bit VESA/PCI local bus slot, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2),VESA feature connector, VGA port, riser slot NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port J2 VESA feature J14 connector Serial port 1 J3 LED connector J26 Serial port 2 J4 Speaker J27 Parallel port J5 On/off switch J29 connector VGA port J6 On/off switch power J30 supply connector Floppy drive J7 Riser slot SL1 interface IDE interface 1 J9 32-bit VESA/PCI SL2 local bus slot IDE interface 2 J10 USER CONFIGURABLE SETTINGS Function Label Position » On board video enabled J15 Pins 1 & 2 closed On board video disabled J15 Pins 2 & 3 closed » Modem answers on ring JP5 Pins 2 & 3 closed Modem does not answer on ring JP5 Pins 1 & 2 closed Factory configured - do not JP10 Unidentified alter » CMOS memory normal operation JP14 Pins 1 & 2 closed CMOS memory clear JP14 Pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 512K x None None None 36 4MB (1) 1M x 36 None None None 6MB (1) 512K x (1) 1M x 36 None None 36 8MB (1) 1M x 36 (1) 1M x 36 None None 8MB (1) 2M x 36 None None None 10MB (1) 512K x (1) 512K x (1) 1M x 36 None 36 36 12MB (1) 512K x (1) 512K x (1) 2M x 36 None 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 None 12MB (1) 1M x 36 (1) 2M x 36 None None 16MB (1) 4M x 36 None None None 16MB (1) 1M x 36 (1) 1M x 36 (1) 2M 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 20MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 None 20MB (1) 1M x 36 (1) 4M x 36 None None 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 None 24MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 None 28MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 28MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 32MB (1) 4M x 36 None None None 32MB (1) 8M x 36 (1) 2M x 36 None None 32MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 None 32MB (1) 2M x 36 (1) 4M x 36 (1) 2M x 36 None 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 None 40MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 None 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 None 48MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 None 48MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 52MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 None None 64MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 None 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 68MB (1) 1M x 36 (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 72MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 80MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 84MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 (1) 4M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 None 96MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 100MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 None (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size J16 J17 J38 128KB Pins 2 & 3 closed Open Open 256KB Pins 1 & 2 closed Closed Open CPU SPEED SELECTION Speed J35 J36 J37 25MHz Open Closed Closed 33MHz Open Closed Open 50iMHz Open Closed Closed 50MHz Open Open Open 66iMHz Open Closed Open CPU TYPE SELECTION Type J23 J24 80486SX Pins 1 & 2 closed Open 80486SX2 Pins 2 & 3 closed Open 80487SX Pins 2 & 3 closed Closed 486 Overdrive Pins 2 & 3 closed Closed 80486DX Pins 2 & 3 closed Open 80486DX2 Pins 2 & 3 closed Open LOCAL BUS SELECTION Setting JP3 JP4 JP7 JP13 VESA local Pins 1 & 2 Pins 1 & 2 Unidentified Unidentified bus closed closed PCI local Pins 2 & 3 Pins 2 & 3 Unidentified Unidentified bus closed closed