參數(shù)資料
型號: 82443ZX
廠商: INTEL CORP
元件分類: 存儲控制器/管理單元
英文描述: Intel㈢ 440ZX AGPset: Host Bridge/Controller
中文描述: DRAM CONTROLLER, PBGA492
封裝: BGA-492
文件頁數(shù): 103/116頁
文件大小: 533K
代理商: 82443ZX
82443ZX Host Bridge Datasheet
4-23
Functional Description
4.8.2
82443ZX Reset
The 82443ZX reset function is an integral part of the suspend resume functions. The 82443ZX
supports the normal reset function in a desktop platform, as well as the various power-up reset and
resume reset functions in the mobile platform. In this section, the power-up reset is described. The
resume from suspend sequences are described in the following section.
:
Table 4-15. AGPset Reset
Table 4-16. Reset Signals
Signal
Asserted
with PCIRST#
System Devices or
Buses Affected
Signal
Source
Description
PCIRST#
-
PCI bus, 82443ZX
NB, PIIX4E
PIIX4E
PCIRST# is used in power -up
sequence as well as resume from STR
or STD.
CPURST#
Always
CPU
82443ZX
CPU reset signal. CPURST# pin resides
in 82443ZX.
RSTDRV
Always
ISA bus / X-Bus
devices
PIIX4E
ISA bus reset. Directly derived from
PCIRST#. Resides in PIIX4E main
voltage well.
INIT#
No
CPU
PIIX4E
CPU Soft Reset generated by PIIX4E.
External CPU
Clock Ratio
Straps
External CPU Strap Glue
A20M#, IGNNE#,
INTR, NMI
RSTDRV
SUB_STAT1#
PCIRST#
PIIX4E#
NBX#
P
WROK
I
NIT#
CRESET#
CPURST#
Pentium
II
Processor
4x
2to1 Mux
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