Technical Manual
MOPSlcd4 Hardware Description
P488m113.doc
JUMPtec
Industrielle Computertechnik AG
Page: 21 of 38
Hardware Description
ALI-Chipset Features
The MOPSlcd4 Board operates with the chipset ALI 1489/87, which provides following features:
• 32 bit PCI Interface
• integrated DRAM controller
• integrated PMU controller
• integrated PCI to ISA bridge (fully compliant to PCI 2.0)
• enhanced DMA functions
• build-in two 8259A interrupt controllers
• fast PCI IDE Master Controller for ATA PIO mode 4 harddisks
Memory configuration
One memory bank for DRAM extension is located at the bottom of the MOPSlcd4 board. The following
memory configurations are available:
total memory technology
64 MB single sided
32 MB double sided
16 MB single sided
8 MB single sided
8 MB double sided
4 MB single sided
1 MB single sided
The chipset support FPM- and EDO-Memory.
For highest memory performance, it is recommended to use EDO-Memory-modules.