Embedded Pci Functions; Table 3-1 Pci Configuration Space Registers - GE V7865 Series Hardware Reference Manual

3.2 Embedded PCI Functions

The V7865 provides non-volatile RAM (NVRAM), Timers and a Watchdog Timer
via the PCI bus. These functions are required for embedded and real time
applications. The PCI configuration space of these embedded functions are shown
below.

Table 3-1 PCI Configuration Space Registers

31
The "Device ID" field indicates that the device is for VME products (00) and
indicates the supported embedded feature set.
The "Vendor ID" and "Subsystem Vendor ID" fields indicate GE Intelligent
Platforms' PICMG
The "Subsystem ID" field indicates the model number of the product (7865).
44 V7865 Hardware Reference Manual
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16
Device ID 6504
Status
Class Code
BIST Header Type
PCI Base Address 0 for Memory-Mapped 32KB NVRAM (BAR0)
PCI Base Address 1 for Memory-Mapped Watchdog and other timers (BAR1)
Reserved
Reserved
Reserved
Reserved
Reserved
Subsystem ID 7865
Reserved
Reserved
Reserved
Max_Lat Min_gnt
®
assigned Vendor ID (114A).
NOTE
V7865 boards with the 3 GByte memory option will begin to lose access to the physical memory if
more than 128 MByte is chosen for VME.
15 00
Vendor ID 114A
Command
Revision ID
Latency Timer Cache Line Size
Subsystem Vendor ID 114A
Interrupt Pin Interrupt Line
Register Address
00h
04h
08h
0Ch
10h
14h
18h
1Ch
20h
24h
28h
2Ch
30h
34h
38h
3Ch