Chapter 4: Setup
4-43
Interrupt Levels (4xxx)
The following Interrupt Levels apply to the workstation.
IRQ
Description
0
System timer
1
Standard 101/102-key or Microsoft Natural keyboard
2
Programmable interrupt controller
3
Communications port (COM 2)
4
Communications port (COM 1)
5
Free
6
Standard floppy disk controller
7
Printer port (LPT 1)
8
System CMOS/real time clock
9
System monitor
10
Crystal SoundFusion
PCI audio accelerator
Intel 82371AB/EB PCI to USB universal host controller
Silicon Motion LynxEM
Intel 82559 fast Ethernet LAN on Motherboard
11
Communications port (COM 6)
Communications port (COM 5)
12
PS/2 Compatible mouse port
13
Numeric data processor
14
Primary IDE controller (dual fifo)
15
Secondary IDE controller (dual fifo)
Summary of Contents for 7452
Page 1: ...NCR 7452 Workstation Release 3 1 Hardware User s Guide BD20 1373 C Issue J...
Page 6: ...iv...
Page 18: ......
Page 44: ...1 26 Chapter 1 Product Overview 14406a Integrated 2x20 Customer Display...
Page 58: ...2 2 Chapter 2 Workstation Hardware Installation AC Input Selection Switch 14598 115V...
Page 74: ...2 18 Chapter 2 Workstation Hardware Installation 14566 Wrap Stand 5952 DynaKey Configuration...
Page 77: ...Chapter 2 Workstation Hardware Installation 2 21 17320 Wrap Stand 5953 DynaKey Configuration...
Page 80: ......
Page 164: ......
Page 187: ...Chapter 4 Setup 4 23 Load Previous Values Save Changes...
Page 216: ...4 52 Chapter 4 Setup...
Page 226: ......
Page 232: ...6 6 Chapter 6 BIOS Updating Procedures 4 After a successful BIOS update reboot the workstation...
Page 256: ......
Page 261: ...BD20 1373 C February 2001 Printed on recycled paper...