Intel SC450NX - Server Platform - 0 MB RAM Product Manual page 155

Table 51. System I/O Addresses (continued)
Address(es) Resource
0077h RTC Data
0080h - 008Fh 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 - 00A15 Interrupt Controller 2 (aliased)
00A8h - 00A19 Interrupt Controller 2 (aliased)
00Ach - 00Adh Interrupt Controller 2 (aliased)
00B0h - 00B1h Interrupt Controller 2 (aliased)
00B2h Advanced Power Management
Control
00B3h Advanced Power Management
Status
00B4h - 00B5h Interrupt Controller 2 (aliased)
00B8h - 00B9h Interrupt Controller 2 (aliased)
00BCh - Interrupt Controller 2 (aliased)
00BDh
00C0h - DMA Controller 2
00DFh
00F0h Clear NPX error
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
02E8h - 02Efh Serial Port B
02F8h - 02FFh Serial Port B
0338h - 033Fh Serial Port B
0370h - 0375h Secondary Diskette
0376h Secondary IDE
0377h Secondary IDE/Diskette
0378h - 037Fh Parallel Port 2
03B4h - 03Bah Monochrome Display Port
03BCh - Parallel Port 1 (Primary)
03BFh
Device Notes
PIIX4E Aliased from 0071h
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
Resets IRQ13
PIIX4E Not used
PIIX4E
Not used
continued
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