参数资料
型号: RG82845MZ
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器杂项-数据表参考
文件页数: 108/157页
文件大小: 1407K
代理商: RG82845MZ
Intel
82845MP/82845MZ Chipset-Mobile (MCH-M)
54
Datasheet
250687-002
R
3.7.5.
RID – Revision Identification Register – Device #0
Address Offset:
08h
Default Value:
00h
Access:
Read Only
Size:
8 bits
This register contains the revision number of the MCH-M Device #0. These bits are read only and writes
to this register have no effect.
Bit
Description
7:0
Revision Identification Number. This is an 8-bit value that indicates the revision identification
number for the MCH-M Device #0.
For the B-1 Stepping, this value is 05h.
3.7.6.
SUBC – Sub-Class Code Register – Device #0
Address Offset:
0Ah
Default Value:
00h
Access:
Read Only
Size:
8 bits
This register contains the Sub-Class Code for the MCH-M Device #0. This code is 00h indicating a Host
Bridge device. The register is read only.
Bit
Description
7:0
Sub-Class Code (SUBC). This is an 8-bit value that indicates the category of Bridge into which the
MCH-M falls. The code is 00h indicating a Host Bridge.
3.7.7.
BCC – Base Class Code Register – Device #0
Address Offset:
0Bh
Default Value:
06h
Access:
Read Only
Size:
8 bits
This register contains the Base Class Code of the MCH-M Device #0. This code is 06h indicating a
Bridge device. This register is read only.
Bit
Description
7:0
Base Class Code (BASEC). This is an 8-bit value that indicates the Base Class Code for the MCH-
M. This code has the value 06h, indicating a Bridge device.
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