Intel D15343-003 - Manual (Page 76)

Intel
®
82854 Graphics Memory Controller Hub (GMCH)
76 D15343-003
4.9.5 RID – Revision Identification Register
This register contains the revision number of the Intel
®
82854 GMCH Device #0. These bits are
Read Only and Writes to this register have no effect.
4.9.6 RID – Revision Identification Register
This register contains the Sub-Class code for the Intel
®
82854 GMCH Device #0. This code is 80h
indicating Other Peripheral device.
4.9.7 BCC – Base Class Code Register
This register contains the Base Class code of the Intel
®
82854 GMCH Device #0 Function #1. This
code is 08h indicating Other Peripheral device.
Address Offset:
Default Value:
Access:
Size: 08h
02h
Read Only
8 bits
Bit Descriptions
7:0 Revision Identification Number (RID): This is an 8-bit value that indicates the revision
identification number for the GMCH Device #0.
Address Offset:
Default Value:
Access:
Size: 0Ah
80h
Read Only
8 bits
Bit Descriptions
7:0 Sub-Class Code (SUBC) : This is an 8-bit value that indicates the category of Peripheral device
into which the GMCH Function #1 falls. The code is 80h indicating Other Peripheral device.
Address Offset:
Default Value:
Access:
Size: 0Bh
08h
Read Only
8 bits
Bit Descriptions
7:0 Base Class Code (BASEC) : This is an 8-bit value that indicates the Base Class Code for the
GMCH. This code has the value 08h, indicating Other Peripheral device.