Super I/O; Umi Controller - Compaq ARMADA 6500 SM Service Manual

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Super I/O

I/O support is provided by the National Semiconductor PC97338 chip. This chip
supports the following functions:
•
Floppy disk controller with Japanese floppy support.
•
IEEE 1284 compliant bi-directional parallel port.
•
Serial infrared support – IrDa 1.1 (115Kbps and 4Mbps).
•
16550A and 16450 UARTs.
•
Full Plug-and-Play support.

UMI Controller

The computer has an internal type II PCMCIA slot that is available as an UMI slot.
This feature provides a flexible method for the support of an internal modem/Ethernet
Combo card. This slot supports only Compaq approved ISA 16-bit cards. The UMI
interface is provided by the TI PCI1221 controller. This chip provides the following
features and functions:
•
PCI Power Management, ACPI 1.0 and 1995 PC Card Standard compliant.
•
Advanced Submicrion, Low-Power CMOS Technology.
•
Pipelined architecture provides greater than 130-MB/s throughput.
•
Five PCI memory windows and two I/O windows.
1-6 Overview