參數(shù)資料
型號(hào): AMD-640
廠商: Advanced Micro Devices, Inc.
英文描述: 64-Bit Socket 7 Interface, Integrated Write back Cache Controller, System Memory Controller, and PCI Bus Controller.(64位系統(tǒng)控制器(包括高速緩沖存儲(chǔ)器控制器,系統(tǒng)存儲(chǔ)器控制器和PCI總線控制器))
中文描述: 64位Socket 7的接口,集成寫回高速緩沖存儲(chǔ)器控制器,系統(tǒng)內(nèi)存控制器和PCI總線控制器。(64位系統(tǒng)控制器(包括高速緩沖存儲(chǔ)器控制器,系統(tǒng)存儲(chǔ)器控制器和的PCI總線控制器))
文件頁數(shù): 105/159頁
文件大?。?/td> 1900K
代理商: AMD-640
7-8
Configuration Registers
AMD-640 System Controller Data Sheet
21090C/0—June 1997
Preliminary Information
Bit 6
User-Defined Features (always reads 0)
—The AMD-640 system controller does
not support user-defined features
.
66 MHz Capable PCI Bus (always reads 1)
—The maximum PCI bus operating
speed is 66 MHz.
Reserved (always reads 0)
Bit 5
4–0
Bits 7–0
AMD-640 System Controller Revision Code (RO)
—04h = Revision F (as of June
1997). 05h = Revision G. 06h = Revision H.
Bits 7–0
AMD-640 System Controller Programming Interface (always reads 00h)
—This
register is defined in different ways for each combination of base and
subclass codes. It is undefined for this type of device.
7.3.5
Revision ID
(Offset 08h)
Bit 7
6
5
AMD-640 System Controller Chip Revision Code
4
3
2
1
Bit 0
Reset
7.3.6
Programming Interface
(Offset 09h)
Bit 7
6
5
4
3
2
1
Bit 0
Programming Interface
0
Reset
0
0
0
0
0
0
0
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