ASRock P4S55FX User Manual - Page 5

1.2 Specifications Platform: CPU: ATX Form Factor: 12.0-in x 8.6-in, 30.5 cm x 21.8 cm Socket 478, supports Intel® Pentium® 4 (Prescott, Northwood, Willimate) / Celeron® processor Chipsets: North Bridge: SiS 655FX, FSB @ 800/533/400 MHz, with Intel® Hyper-Threading Technology ready South Bridge: P4S55FX+: SiS 964, supports USB 2.0, ATA 133, SATA 1.5Gb/s P4S55FX: SiS 964L, supports USB 2.0, ATA 133 Memory: 4 DDR DIMM Slots: DDR1, DDR2, DDR3, and DDR4 Supports PC3200 (DDR400) / PC2700 (DDR333) / PC2100 (DDR266) , Max. 3.5GB Dual Channel Memory Technology support (see CAUTION 1) IDE: IDE1: ATA 133 / Ultra DMA Mode 6 IDE2: ATA 133 / Ultra DMA Mode 6 Supports up to 4 IDE devices Serial ATA: 2 SATA connectors Supports up to 1.5Gb/s data transfer rate (SATA is only available on P4S55FX+ Motherboard) Floppy Port: Supports up to 2 floppy disk drives Audio: 5.1 channels AC'97 Audio LAN: Speed: 802.3u (10/100 Ethernet), supports Wake-On-LAN Hardware Monitor: CPU temperature sensing Chassis temperature sensing CPU overheat shutdown to protect CPU life (ASRock U-COP)(see CAUTION 2) CPU fan tachometer Chassis fan tachometer Voltage monitoring: +12V, +5V, +3V, Vcore PCI slots: 5 slots with PCI Specification 2.2 AGP slot: 1 AGP slot, supports 1.5V, 8X/4X AGP card (see CAUTION 3) USB 2.0: 8 USB 2.0 ports: includes 6 default USB 2.0 ports on the rear panel, plus one header to support 2 additional USB 2.0 ports (see CAUTION 4) 5