ASRock 775S61 User Manual - Page 5

1.2 Specifications Platform: Micro ATX Form Factor: 9.6-in x 9.0-in, 24.4 cm x 22.9 cm CPU: 775-Pin Socket supporting Intel® Pentium® 4 / Celeron® processor (in 775-land LGA package) Chipsets: North Bridge: SiS 661FX chipset, FSB @ 800/533MHz, supports Hyper-Threading Technology (see CAUTION 1) South Bridge: SiS 963L chipset, supports USB 2.0, ATA 133 VGA: SiS Real256E, 32MB-64MB VRAM (share memory) Memory: 3 DDR DIMM slots: DDR1, DDR2, and DDR3 PC2100 (DDR266) for 3 DDR DIMM slots, Max. 3GB; PC2700 (DDR333) for 2 DDR DIMM slots, Max. 2GB; PC3200 (DDR400) for 1 DDR DIMM slots, Max. 1GB IDE: IDE1: ATA 133 / Ultra DMA Mode 6; IDE2: ATA 133 / Ultra DMA Mode 6; Supports up to 4 IDE devices Floppy Port: Supports up to 2 floppy disk drives Audio: 6 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, +3.3V, Vcore PCI slots: 3 slots with PCI Specification 2.2, PCI3 slot shared with AMR AGP slot: 1 AGP slot, AGP 3.5 compliant, supports 1.5V, 8X / 4X AGP card (see CAUTION 3) AMR slot: 1 slot, supports ASRock MR card USB 2.0: 6 USB 2.0 ports: includes 4 default USB 2.0 ports on the rear panel, plus one header to support 2 additional USB 2.0 ports (see CAUTION 4) ASRock I/OTM: 1 PS/2 keyboard port, 1 PS/2 mouse port; 1 VGA port; 1 parallel port: ECP/EPP support; 5