Acer 930 Manual

C h a p t e r C h a p t e r
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System Board

1.1 Features
This high-performance system board supports the Intel Pentium II CPU
running at 233/266/300 MHz. Designed to work with Intel 440LX system
controller, which consists of the PCI/AGP controller (PAC) and the PCI/ISA
IDE accelerator (PIIX4), the CPU carries a new generation of power.
The PAC host bus interface supports up to two Pentium II processors with
66 MHz bus frequency. It also provides a 72-bit DRAM support using both
extended data output (EDO) and synchronous DRAM (SDRAM) DIMMs.
The PAC introduces a new technology, which is the Accelerated Graphics
Port (AGP) interface. Supporting up to 133 MHz data transfer rate, the
AGP interface boosts graphics performance.
The PIIX4 is a multifunction PCI device controller implementing system
functions including PCI-to-PCI bridge, PCI IDE, universal serial bus (USB)
host/hub, and enhance power management. It also supports Ultra DMA/33
synchronous DMA-compatible devices.
The system board utilizes both the ISA and the PCI local bus architecture.
Two ISA and four PCI bus slots (including one PCI/ISA shared slot) reside
on the board to allow installation of either master or slave devices.
Four memory banks composed of 168-pin dual inline memory module
(DIMM) sockets support a maximum system memory of 512 MB using
128-MB DIMMs. The sockets support both EDO and SDRAM-type
DIMMs.
A 50-pin Fast SCSI-II and a 68-pin Wide SCSI interface come with the
system board to connect SCSI devices. Standard I/O features such as two
enhanced IDE drive interfaces, two serial interfaces, one parallel port
interface, a diskette drive interface, and PS/2 mouse and keyboard
connectors reside on the system board.
The system board supports two optional features, the ASM Pro and the
remote diagnostic management (RDM), that allow better server
System Board 1-1