IEI Integration IEM-9452 - Manual (Page 39)

IEM-9452 ETX Module
Page 23
Figure 2-9: PCI-to-ISA Bridge
The IT8888G has a PCI specification v2.1 compliant 32-bit PCI bus interface and supports
both PCI Bus master and slave. The PCI interface supports both programmable positive
and full subtractive decoding schemes. Some of the features of the IT8888G PCI to ISA
bridge are listed below.
PCI Interface
Programmable PCI Address Decoders
PC/PCI DMA Controller
Distributed DMA Controller
ISA Interface
SM Bus
1 analog line-level mono output: MONO_OUT
Power-on Serial Bus Configuration
Serial IRQ
Versatile power-on strapping options
Supports NOGO function
Single 33 MHz Clock Input
+3.3V PCI I/F with +5V tolerant I/O buffers
+5V ISA I/F and core Power Supply