Intel ESM-2740 Personal Computer User Manual


 
User’s Manual
ESM-2740/2743 User’s Manual
21
1.6.11 Winbond W83628F & W83629D PCI/ISA Bridge
W83628F is a PCI-to-ISA bus conversion IC. W83629D (45-LQF) is a condensed
centralizer IC for IRQ and DMA control. W83628F (128-QFP) and W83629D together form
a complete set for the PCI-to-ISA bridge.
Full ISA Bus Support including ISA Masters
5V ISA and 3.3V PCI interfaces
PC/PCI DMA protocol for Software Transparent
IRQ Serializer for ISA Parallel IRQ transfer to Serial IRQ
Supports 3 fully ISA Compatible Slots without Buffering
PCI Bus at 25MHz, 33MHz and up to 40MHz
Supports Programmable ISA Bus Divide the PCI Bus Clock into 3 or 4
All ISA Signals can be Isolate
Supports Configuration registers for programming performance