IBM CORPORATION APTIVA 2144, 2168 TYPE H-2, I-2 Processor CX M1/Pentium Processor Speed 75/90/100/120/133/150/166MHz Chip Set Unidentified Video Chip Set Unidentified Maximum Onboard 128MB (EDO supported) Memory Maximum Video Memory 2MB Cache 256/512KB BIOS Unidentified Dimensions 330mm x 218mm I/O Options Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, ports (2), VESA feature connector, VGA port, VGA interface, riser slot, cache slots (2), VRM connector, modem wake up connector, power supply connectors (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port J1 32-bit PCI slots J16 VGA port J6 Power LED J17 pins 1 & 2 Serial port 1 J7 IDE interface LED J17 pins 3 & 4 Serial port 2 J8 VESA feature J18 connector Parallel port J9 External VRM J19 connector Floppy drive J10 Chassis fan power J30 interface VGA interface J11 Modem wake up J31 connector IDE interface 1 J12 Speaker JP1 IDE interface 2 J13 Riser slot SL1 VRM connector J14 Cache slot 2 SL2 Power supply J15 Cache slot 1 SL3 connector USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS normal operation JP9 Pins 1 & 2 closed Floppy drive write protect JP12 Pins 1 & 2 enabled closed Floppy drive write protect JP12 Open disabled Smart Energy System enabled JP15 Pins 2 & 3 closed Smart Energy System disabled JP15 Pins 1 & 2 closed ? CMOS memory normal operation JP22 Pins 1 & 2 closed CMOS memory clear JP22 Open DRAM 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 Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable. DRAM JUMPER CONFIGURATION Type JP20 Normal DRAM Pins 1 & 2 closed EDO DRAM Pins 2 & 3 closed CACHE CONFIGURATION Size SL1 SL2 256KB 256KB module installed Not installed 512KB 256KB module installed 256KB module installed CACHE JUMPER CONFIGURATION Size JP6 256KB Pins 1 & 3, 2 & 4 closed 512KB Pins 3 & 5, 4 & 6 closed VIDEO MEMORY CONFIGURATION Size Bank 0 Bank 1 1MB 1MB None 2MB 1MB (2) 256K x 16 Note: The location of bank 0 is unidentified. CPU SPEED SELECTION CPU speed Clock Multiplier JP2 JP3 JP25 speed 75MHz 50MHz 1.5x 1 & 3, 1 & 3 1 & 2 2 & 4 90MHz 60MHz 1.5x 1 & 3, 1 & 3 1 & 2 4 & 6 100MHz 66MHz 1.5x 3 & 5, 1 & 3 1 & 2 4 & 6 120MHz 60MHz 2x 1 & 3, 1 & 3, 1 & 2 4 & 6 2 & 4 133MHz 66MHz 2x 3 & 5, 1 & 3, 1 & 2 4 & 6 2 & 4 150MHz 60MHz 2.5x 1 & 3, 1 & 3, 2 & 3 4 & 6 2 & 4 166MHz 66MHz 2.5x 3 & 5, 1 & 3, 2 & 3 4 & 6 2 & 4 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP18 JP19 Cyrix Pins 2 & 3 closed Pins 2 & 3 closed Intel Pins 1 & 2 closed Pins 1 & 2 closed CPU VOLTAGE SELECTION Voltage JP21 3.3v Pins 2 & 3 closed 5v Pins 1 & 2 closed