Corporation Computer Hardware User Manual

7. SYSTEM RESOURCES
This section details the system resources including assignment of IRQ, I/O, and DMA.
7.1 Interrupt Assignment
IRQ Resource Description
0 System Timer
1 Standard 101/102-Key or Microsoft Natural Keyboard
2 Programmable Interrupt Controller
3 Communications Port (COM2)
4 Communications Port (COM1)
5 VIA Tech 3038 PCI to USB Universal Host Controller
6 Standard Floppy Disk Controller
7 ECP Printer Port (LPT1)
8 System CMOS/real time clock
10 S3 Graphics Twister
11 Realtek RTL 8139(A/B/C/8130) PCI Fast Ethernet NIC
12 PS/2 Mouse
13 Numeric data processor
14 Primary IDE Controller
14 VIA Bus Master PCI IDE Controller
15 Secondary IDE Controller
15 VIA Bus Master PCI IDE Controller
7.2 Direct Memory Access
DMA Description
2 Standard Floppy Disk Controller
3 ECP Printer Port (LPT1)
4 Direct memory access controller
Morpheus CPU User Manual V1.01 Page 15