Intel D845HV Product Specification - Page 29

I/O Controller

Get Intel D845HV PDF manuals and user guides View all Intel D845HV manuals
Add to My Manuals
Save this manual to your list of manuals

Page 29 highlights

Product Description 1.8.5 Intel® 82802AB 4 Mbit Firmware Hub (FWH) The FWH provides the following: • System BIOS program • Logic that enables protection for storing and updating of platform information 1.9 I/O Controller The SMSC LPC47M142 I/O controller provides the following features: • Two serial ports • One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support • Serial IRQ interface compatible with serialized IRQ support for PCI systems • PS/2-style mouse and keyboard interfaces • Interface for one 1.2 MB or 1.44 MB diskette drive • Intelligent power management, including a programmable wake-up event interface • PCI power management support • Two fan tachometer inputs • Integrated USB hub • IrDA compliant infrared port The BIOS Setup program provides configuration options for the I/O controller.  NOTE For the D845HV board only, there is a manufacturing option for an SMSC LPC47M132 I/O controller. This optional I/O controller provides identical functionality to the standard I/O controller, minus the integrated USB hub. For information about SMSC LPC47M142 I/O controller Refer to http://www.smsc.com 1.9.1 Serial Ports The D845HV and D845WN boards have two serial port connectors. Serial port A is located on the back panel. Serial port B is accessible using a connector located near the main power connector. The serial ports' NS16C550-compatible UART supports data transfers at speeds up to 115.2 kbits/sec with BIOS support. The serial ports can be assigned as COM1 (3F8h), COM2 (2F8h), COM3 (3E8h), or COM4 (2E8h).  NOTE The operation of serial port B and the infrared port are mutually exclusive. When serial port B is enabled in the BIOS Setup program, the IR option is disabled. 29

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
Product Description
29
1.8.5
Intel
®
82802AB 4 Mbit Firmware Hub (FWH)
The FWH provides the following:
•
System BIOS program
•
Logic that enables protection for storing and updating of platform information
1.9 I/O Controller
The SMSC LPC47M142 I/O controller provides the following features:
•
Two serial ports
•
One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port
(EPP) support
•
Serial IRQ interface compatible with serialized IRQ support for PCI systems
•
PS/2-style mouse and keyboard interfaces
•
Interface for one 1.2 MB or 1.44 MB diskette drive
•
Intelligent power management, including a programmable wake-up event interface
•
PCI power management support
•
Two fan tachometer inputs
•
Integrated USB hub
•
IrDA compliant infrared port
The BIOS Setup program provides configuration options for the I/O controller.
NOTE
For the D845HV board only, there is a manufacturing option for an SMSC LPC47M132 I/O
controller.
This optional I/O controller provides identical functionality to the standard I/O
controller, minus the integrated USB hub.
For information about
Refer to
SMSC LPC47M142 I/O controller
1.9.1
Serial Ports
The D845HV and D845WN boards have two serial port connectors.
Serial port A is located on the
back panel.
Serial port B is accessible using a connector located near the main power connector.
The serial ports’ NS16C550-compatible UART supports data transfers at speeds up to
115.2 kbits/sec with BIOS support.
The serial ports can be assigned as COM1 (3F8h),
COM2 (2F8h), COM3 (3E8h), or COM4 (2E8h).
NOTE
The operation of serial port B and the infrared port are mutually exclusive.
When serial port B is
enabled in the BIOS Setup program, the IR option is disabled.