HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 66
Default Values for, I/O Address Ports, Function
![]() |
View all HP Workstation x4000 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 66 highlights
System BIOS and Resources System Resources address space is in the free area of the space reserved for accessory boards (100h to 3FFh). Default Values for I/O Address Ports 0000 - 0CF7 0020 - 0021 002E - 002F 0040 - 0043 0060, 0064 0061 0070 0070 - 0071 0080 0081 - 0083, 008F 0092 00A0 - 00A1 00C0 - 00DF 00F0 - 00FF 0170 - 0177 01F0 - 01F7 0278 - 027F 02E8 - 02EF 02F8 - 02FF 0372 - 0377 0378 - 037F 03B0 - 03DF 03E8 - 03EF 03F0 - 03F5 03F6 03F7 03F8 - 03FF 04D0 - 04D1 0778 - 077F 0CF8 - 0CFF Function DMA controller 1 Master interrupt controller (8259) Super I/O Timer 1 Keyboard controller (reset, slow A20) Port B (speaker, NMI status, and control) Bit 7: NMI mask register RTC and CMOS Manufacturing port (POST card) DMA low page register PS/2 reset and Fast A20 Slave interrupt controller DMA controller 2 Coprocessor error Free (IDE secondary channel) IDE primary channel LPT 2 Serial port 4 (COM4) Serial port 2 (COM2) Free (IDE secondary channel, secondary floppy disk drive) LPT1 VGA COM3 Floppy disk drive controller IDE primary channel Floppy disk drive controller COM1 Interrupt edge/level control LPT1 ECP PCI configuration space 66 Chapter 4
![](/manual_guide/products/hewlettpackard-workstation-x4000-hp-workstation-x4000-technical-reference-manual-windows-linux-a6068ie001-e0601-1ad8c57/66.png)