IBM CORPORATION APTIVA Processor 80486SX/80486SX2/80487SX/80486DX/80486DX2/P24T Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set Unidentified Video Chip Set Unidentified Maximum Onboard 64MB Memory Maximum Video 1MB Memory Cache None BIOS Unidentified Dimensions 254mm x 218mm I/O Options Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VESA feature connector, VGA port, riser slot, local bus connector, wake up on ring connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location VGA port CN1 Local bus connector CN7 Parallel port CN2 Floppy drive interface CN8 Serial port CN3 IDE interface CN9 Serial port CN4 Wake up on ring J1 connector PS/2 mouse port CN5 Riser slot SL1 VESA feature connector CN6 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J2 Unidentified alter On board video enabled J15 Pins 1 & 2 closed On board video disabled J15 Pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 2MB (1) 512K x 36 None 4MB (1) 1M x 36 None 6MB (1) 1M x 36 (1) 512K x 36 6MB (1) 512K x 36 (1) 1M x 36 8MB (1) 2M x 36 None 8MB (1) 1M x 36 (1) 1M x 36 10MB (1) 2M x 36 (1) 512K x 36 10MB (1) 512K x 36 (1) 2M x 36 12MB (1) 2M x 36 (1) 1M x 36 12MB (1) 1M x 36 (1) 2M x 36 16MB (1) 4M x 36 None 16MB (1) 2M x 36 (1) 2M x 36 18MB (1) 4M x 36 (1) 512K x 36 18MB (1) 512K x 36 (1) 4M x 36 20MB (1) 4M x 36 (1) 1M x 36 20MB (1) 1M x 36 (1) 4M x 36 24MB (1) 4M x 36 (1) 2M x 36 24MB (1) 2M x 36 (1) 4M x 36 32MB (1) 8M x 36 None 32MB (1) 4M x 36 (1) 4M x 36 34MB (1) 8M x 36 (1) 512K x 36 34MB (1) 512K x 36 (1) 8M x 36 36MB (1) 8M x 36 (1) 1M x 36 36MB (1) 1M x 36 (1) 8M x 36 40MB (1) 8M x 36 (1) 2M x 36 40MB (1) 2M x 36 (1) 8M x 36 48MB (1) 8M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 8M x 36 64MB (1) 8M x 36 (1) 8M x 36 VIDEO MEMORY CONFIGURATION Size Bank 0 Bank 1 512KB 512KB None 1MB 512KB (1) 256K x 16 Note: 1MB video memory may be already factory installed. Bank 0 is factory installed and is not configurable. CPU TYPE SELECTION Processor Processor J24 J25 J31 installed upgrade 80486SX 80486SX2 Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed 80486SX 80487SX Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 80486SX 80486DX Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed 80486SX 80486DX2 Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed 80486SX P24T Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 80486SX2 P24T Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 80486DX 80486SX2 Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 80486DX 80486DX2 Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 80486DX P24T Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 80486DX2 P24T Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed