Acer Veriton 5800 Veriton 5800/6800/7800 Service Guide (MSI MB) - Page 101

BIOS Flash Jumper: BIOS_WP This jumper is used to enable/disable the BIOS flash. When you intend to update the BIOS code, uncap this jumper first. Under normal operation, we suggest that you disable the BIOS flash by capping the JBIOS1 jumper to protect the system BIOS from virus infection. PCI (Peripheral Component Interconnect) Express Slots PCI Express architecture provides a high performance I/O infrastructure for Desktop Platforms with transfer rates starting at 2.5 Giga transfers per second over a PCI Express x1 lane for Gigabit Ethernet, TV Tuners, 1394 controllers, and general purpose I/O. Also, desktop platforms with PCI Express Architecture will be designed to deliver highest performance in video, graphics, multimedia and other sophisticated applications. Moreover, PCI Express architecture provides a high performance graphics infrastructure for Desktop Platforms doubling the capability of existing AGP 8x designs with transfer rates of 4.0 GB/s over a PCI Express x16 lane for graphics controllers, while PCI Express x1 supports transfer rate of 250 MB/s. PCI Express x16 slot PCI Express x1 slot PCI (Peripheral Component Interconnect) Slots The PCI slots support LAN cards, SCSI cards, USB cards, and other add-on cards that comply with PCI specifications. At 32 bits and 33 MHz, it yields a throughput rate of 133 MBps. 32-bit PCI Slot Chapter 5 99