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•
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13 IRQ Options
Two High Speed NS16C550 Compatible
UARTs with Send/Receive 16 Byte
FIFOs
- Programmable Baud Rate Generator
- Modem Control Circuitry Including 230K
and 460K Baud
- IrDA, HP-SIR, ASK-IR Support
IDE Interface
- Relocatable to 480 Different Addresses
- 13 IRQ Options (IRQ Steering through
Chip)
- Two Channel/Four Drive Support
- On-Chip Decode and Select Logic
Compatible with IBM PC/XT® and
PC/AT® Embedded Hard Disk Drives
Serial EEPROM Interface
Multi-Mode™ Parallel Port with ChiProtect™
- Relocatable to 480 Different Addresses
- 13 IRQ Options
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Four DMA Options
Standard Mode
- IBM PC/XT, PC/AT, and PS/2™
Compatible Bidirectional ParallelPort
- Enhanced Mode
- Enhanced Parallel Port (EPP)
Compatible - EPP 1.7 and EPP 1.9
(IEEE 1284 Compliant)
- High Speed Mode
- Microsoft and Hewlett Packard
Extended Capabilities Port (ECP)
Compatible (IEEE 1284 Compliant)
- Incorporates ChiProtect™ Circuitry for
Protection Against Damage Due to
Printer Power-On
- 12 mA Output Drivers
ISA Host Interface
16 Bit Address Qualification
160 Pin QFP Package
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*Note:
The “X” in the Ultra I/O part number is a designator that changes
depending upon the particular BIOS used inside the specific chip.
“2” denotes AMI Keyboard BIOS/”5” denotes Phoenix Keyboard
BIOS.
3
SMSC [ SMSC CORPORATION ]
