
Coppertail Product Specification
MT8LLN22NCNE.fm – Rev. 1, Pub. 2/02
102
2002, Micron Technology Inc.
PRELIMINARY
MT8LLN22NCNE
COPPERTAIL
NOTE:
This register is core powered and is reset with P_RST#.
General Purpose Trap Address 1
NOTE:
This register is core powered and is reset with P_RST#.
22
MSS Access Status. Set on any PCI I/O cycle to 530h-537h, 604h-60Bh,
E80h-E87h, or F40h-F47h.
R/WOTC
0
21
Ad lib access status. Set on any PCI I/O cycle to 388h or 389h.
R/WOTC
0
20
Floppy Access Status. Set on any PCI I/O cycle to 3F0h-3F7h or 370h-377h.
R/WOTC
0
19
Parallel Port Access Status. Set on any PCI I/O cycle to 278h-27Fh, 378h-
37Fh, 3BCh-3BFh, 678h-67Fh, 778h-77Fh, or 7BCh-7BFh.
R/WOTC
0
18
VGA Access Status. Set on any PCI I/O cycle to A000h-BFFFh.
R/WOTC
0
17
Serial Port Access Status. Set on any PCI I/O cycle to 220h-22Fh, 238h-
23Fh, 2E8h-2EFh, 2F8h-2FFh, 338h-33Fh, 3E8h-3EFh, or 3F8h-3FFh.
R/WOTC
0
16
Keyboard/Mouse Access Status. Set on any PCI I/O cycle to 60h or 64h.
R/WOTC
0
15:14
Reserved.
R/O
0
13
DMA Activity Status. Set on any DMA request being active.
R/WOTC
0
12
Reserved.
R/O
0
11
IRQ Activity Status. This is a global status for IRQ Status Register. Set on
any enabled interrupt activity status being set in the IRQ Status Register.
R/WOTC
0
10
Audio Sound Blaster Access Status. Set on any PCI I/O cycle to 220h-233h,
240h-253h, 260h-273h, or 280h-383h.
R/WOTC
0
9
Game Port Access Status. Set on any PCI I/O cycle to 200h-20Fh.
R/WOTC
0
8:0
Reserved.
R/O
0
ADDRESS: ACPI_BASE + 34h
SYMBOL: GPAR1
BITS
DESCRIPTION
PROPERTIES
RESET
31:2
Address. Programmable trap address. Address compare to the appropri-
ate space type may issue a SMI# and trap all of the information from the
cycle. Range can be broadened with the masking of address bits in the
Device Control Register.
R/W
0
1
Status. When set, indicates that the programmable range transaction has
caused a trap.
R/WOTC
0
Space type. Programmable trap address type. When set, the address
space is I/O. When clear, the address space is memory.
R/W
0
Device Status Register (continued)
ADDRESS: ACPI_BASE + 30h
SYMBOL: DEVSTS
BITS
DESCRIPTION
PROPERTIES
RESET