VIA Technologies Zida BX983D User Manual page 42

Mainboard Installation
DIMM Sockets
Three 168 pins standard DIMM socket allows your system using either for 3.3V unbuffered SDRAM.
Serial (COM 1 and 2) Port Headers
This motherboard provides two high-speed 16550 compatible UART serial ports.
Accelerated Graphic Port (AGP)
The AGP is compatible with the Accelerated Graphics Port specification. The AGP offers a much higher
throughput over the PCI bus does. PCI currently only supports 33Mhz can transport 133MB/s at peak rates
over its 32bit data bus. AGP is clocked with 66Mhz, which enables a peak rate of 266 MB/s at the classic
so called 'X1' mode. If using the 'X2' mode, it can transport up to 532MB/s at peak rate.
3V Lithium Battery
An on-board battery holder is used to hold a 3 Volts CR-2032 Lithium battery which makes the battery's
replacement more convenient. This battery is used to supply power for the RTC CMOS RAM in order to
save your system setting and date/time counting during system power-off. In general, the battery's life is
about 5 years. If you see a "BIOS checksum error" message happened while system turn-on, the battery
low may cause it. You can try to fix it by simply replaced the battery.
PCI Add-in Board Connectors
This motherboard provides PCI slots which allows expansion of PCI 2.1 compatible peripherals.
ISA Add-in Board Connectors
This motherboard provides two 16 bit ISA slots which allows backward hardware compatibility.
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