CPU: CPU speed/voltage support may be dependant upon motherboard/BIOS revision 90MHz-300MHz Intel, Cyrix/IBM, AMD and IDT Intel ZIF socket 7 for CPU System Chipset: Intel 82430TX Chipset Integrated I/O 60MHz, 66MHz and 75MHz Bus speeds Cache Memory: 512KB Pipline Burst SRAM onboard System Memory: 4 x 72 pin SIMM sockets, support 8MB minimum and up to 256MB maximum Supports 4, 8, 16, 32 and 64 MB 70ns or faster FP/EDO SIMM 2 x 168 pin DIMM sockets, support 8MB minimum and up to 256MB maximum Supports 8, 16, 32, 64, and 128 MB EDO/SDRAM DIMM On Board PCI IDE: 2 X PCI Bus Master IDE Ports(Up to 4 IDE Devices) Support PIO Mode 0, 1, 2, 3 Supports Enhanced IDE PIO mode 3 and 4, 17MB/sec.(Max.) Support UDMA Mode 33MB/sec.(Max.) On board I/O: Floppy Port(up to 2.88 MB) Parallel Port(ECP, EPP) Serial Ports(16C550 Fast UART Compatible) with FIFO's, Plug & Play AT Keyboard Port PS/2 Mouse Header Standard USB Ports(48MHz) Supports up to 127 USB Devices Consumer IR and IrDA interface BIOS: 1M-bit Flash EPROM Award PCI BIOS with Green and PnP Function IDE Auto-configuring DMI Support Instant-On Expansion Slots : 3 ISA Slots Form Factor : Baby AT form factor Board size: 8.6 x 9.0" "