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Intel® Server Board SE7520JR2 Functional Architecture
Revision 1.0
C78844-002
77
Address (es) Resource Notes
0071h RTC Data
0073h RTC Data Aliased from 0071h
0075h RTC Data Aliased from 0071h
0077h RTC Data Aliased from 0071h
0080h – 0081h BIOS Timer
0080h – 008F DMA Low Page Register
0090h – 0091h DMA Low Page Register (aliased)
0092h System Control Port A (PC-AT control Port) (this port not
aliased in DMA range)
0093h – 009Fh DMA Low Page Register (aliased)
0094h Video Display Controller
00A0h – 00A1h Interrupt Controller 2
00A4h – 00A5h Interrupt Controller 2 (aliased)
00A8h – 00A9h Interrupt Controller 2 (aliased)
00ACh – 00ADh Interrupt Controller 2 (aliased)
00B0h – 00B1h Interrupt Controller 2 (aliased)
00B4h – 00B5h Interrupt Controller 2 (aliased)
00B8h – 00B9h Interrupt Controller 2 (aliased)
00BCh – 00BDh Interrupt Controller 2 (aliased)
00C0h – 00DFh DMA Controller 2
00F0h Clear NPX error Resets IRQ13
00F8h – 00FFh X87 Numeric Coprocessor
0102h Video Display Controller
0170h – 0177h Secondary Fixed Disk Controller (IDE)
01F0h – 01F7h Primary Fixed Disk Controller (IDE)
0200h – 0207h Game I/O Port
0220h – 022Fh Serial Port A
0238h – 023Fh Serial Port B
0278h – 027Fh Parallel Port 3
0290h – 0298h NS HW monitor
02E8h – 02EFh Serial Port B
02F8h – 02FFh Serial Port B
0338h – 033Fh Serial Port B
0370h – 0375h Secondary Floppy
0376h Secondary IDE
0377h Secondary IDE/Floppy
0378h – 037Fh Parallel Port 2
03B4h – 03Bah Monochrome Display Port
03BCh – 03BFh Parallel Port 1 (Primary)
03C0h – 03CFh Video Display Controller
03D4h – 03Dah Color Graphics Controller
03E8h – 03Efh Serial Port A
03F0h – 03F5h Floppy Disk Controller
03F6h – 03F7h Primary IDE – Sec Floppy