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1.3
System Configuration
Figures 1.5 and 1.6 show the PC AT interface system configuration. The interface can be directly
connected to the 40-pin AT-compatible EIDE interface.
Host system
HA
(Host adapter)
ODD
AT bus
(Host interface)
EIDE interface
Figure 1.5
System configuration with one optical disk drive
Host system
HA
(Host adapter)
ODD
AT bus
(Host interface)
EIDE interface
ODD
Figure 1.6
System configuration with two optical disk drives
The PC AT interface will not meet the specification if two optical disk drives not conforming to
the ATA are connected.
The host adapter (HA) consists of an address decoder, driver, and receiver. ATA stands for AT
Attachment. This drive supports the ATA interface.