User Guide
FIC CONFIDENTIAL AND PROPRIETARY
MB02 Functional Specifications Rev. 0.3 Page 55
FIC H/W
FIC CONFIDENTIAL AND PROPRIETARY 11-November-2002_
00F0h w/o Coprocessor Error ICH4-M EXT
01F0h-01F7h r/w IDE Primary Command Block Address ICH4-M EXT
0170h-0177h r/w IDE Secondary Command Block Address ICH4-M EXT
03F6h r/w IDE Primary Command Block Address ICH4-M EXT
0376h r/w IDE Secondary Command Block Address ICH4-M EXT
020xh r/w Game Port Address <T.B.D> ICH4-M EXT
02x0-02xFh r/w Audio Address <T.B.D> ICH4-M EXT
03x0-03x1h r/w MPU 40D Address <T.B.D> ICH4-M AC(3)
0388-038Bh r/w Adlib Address <T.B.D> ICH4-M EXT
0278-027Fh
0678-067Ah
Parallel Port LPT3 or EPP /ECP None EXT
0378-037Fh
0778-077Ah
Parallel Port LPT2 or EPP /ECP None EXT
03BC-03BFh
07BC-07Beh
Parallel Port LPT1 or EPP /ECP None EXT
03F8-03FFh Serial Port , COM1 None EXT
02F8-02FFh Serial Port , COM2 None EXT
03E8-03Efh Serial Port , COM3 None EXT
02E8-02Efh Serial Port , COM4 None EXT
03F0-03F7h FDC Primary None EXT
0370-0377h
FDC Secondary None EXT
0398h r/w Super I/O INDEX Address None IOCA
0399h r/w Super I/O DATA Address None IOCA
04D0h r/w INT 1 edge / level control register ICH4-M INT
04D1h r/w INT 2 edge / level control register ICH4-M INT
0CF8h r/w Configuration Address Register
(Accessed as Dword)
ICH4-M INT
0CFCh r/w Configuration Data Register ICH4-M INT
0CF9h r/w Reset Control Register ICH4-M INT
Note: INT. Accesses to these locations are not broadcast to the EXT I/O Bus.
EXT. Accesses to these locations are always broadcast to the EXT I/O Bus.
WRT. Write to these locations are always broadcast to the EXT I/O Bus.
IOCA: These locations must be set the address in the IOCA register.
PAC. These locations must be set the address in the PAC registers.
7.2 Interrupt Assignments
Function IRQ No. Priority Connection
Internal Timer 1, Counter 0 Output IRQ 00 0 Inside of SIS961
Keyboard (Output Buffer Full) IRQ 01 1 Connected in KBC
Cascade IRQ 02 2 Inside of SIS961
Real Time Clock IRQ 08# 3 Connected in RTC (Reserved)
Mouse IRQ 12 7 Connected in KBC
FERR (Coprocessor) IRQ 13 8 Connected in CPU
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