9Ultra320 SCSI connectors. These dual-channel68-pin Ultra320 SCSI connectors support up to 30 SCSI devices, and data transfers of 320Mbps.

10LSI® Ultra320 SCSI controller. The LSI 53C1030 SCSI controller supports up to 30 SCSI devices through the onboard dual-channel SCSI connectors.

11Flash ROM. This 4Mb flash ROM contains the programmable BIOS program.

12ASUS ASIC. This chip performs multiple system functions that include hardware and system voltage monitoring, among others.

13ServerWorks® 64-bit I/O Bridge (CIOB-X2). The Champion I/O Bridge (CIOB-X2) provides a high performance data flow path between the IMB and the I/O subsystem, which supports multiple PCI-X interfaces that allows large, efficient, and flexible I/O configurations. The CIOB-X2 supports dual 64-bitPCI-X I/O buses that comply with PCI 2.2 specification. There are two CIOB-X2 on the motherboard.

14Floppy disk connector. This connector accommodates the provided ribbon cable for the floppy disk drive. One side of the connector is slotted to prevent incorrect insertion of the floppy disk cable.

15ATI Rage-XL VGA controller. This PCI-based VGA controller supports up to 8MB display SDRAM for 1280x1024 and true color resolutions.

16PCI-X/PCI slots. Four 64-bit/133MHz and one 64-bit/100MHz PCI-X slots, and a 32-bit/33MHz PCI expansion slot support bus master PCI-X/PCI cards.

17Intel® 82540EM 32-bit PCI Gigabit Ethernet controller. This LAN controller provides a 32-bit interface and supports 10/100/1000 Mbps data transfer rates.

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Intel® 82551QM Fast Ethernet controller. This LAN controller fully supports 10BASE-T/100BASE-TX networking protocols. (optional)

ASUS PR-DLS533 motherboard user guide

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