DIO24, User Manual
5.1.10. PCI Base Address Register for I/O Access to Local/Runtime/DMA Registers
(Offset 0x14, Reset 0x00000001)
D0
Memory Space Indicator
A ‘1’ indicates the register maps into I/O space.
Note: Hardcoded to 1.
D1 Reserved
D7:2
I/O Base Address.
Default Size = 256 bytes.
Note: Hardcoded to 0.
D31:8 I/O Base Address.
Base Address for I/O access to Local, Runtime, and DMA Registers.
Note: PCIBAR1 is I/O Mapped Base Address of PCI9080 Registers
5.1.11. PCI Base Address Register for Memory Access to Local Address Space 0
(Offset 0x18, Reset 0x00000000)
D0
Memory Space Indicator
A ‘0’ indicates register maps into Memory space.
(Specified in Local Address Space 0 Range Register - LAS0RR.)
D2:1
Location of register (if memory space). Location values:
00 - Locate anywhere in 32-bit memory address space
(Specified in Local Address Space 0 Range Register - LAS0RR.)
D3 Prefetchable
A ‘0’ indicates reads are not prefetchable.
(Specified in Local Address Space 0 Range Register - LAS0RR
D31:4 Memory
Base
Address
Memory base address for access to Local Address Space 0.
5.1.12. PCI Subsystem Device/Vendor ID Register
(Offset 0x2C, Reset 0x908010B5)
D15:0 Subsystem Vendor ID – 0x10B5 = PLX Technology
D31:16 Subsystem Device ID – 0x2606 = General Standards Corporation DIO24, 0x2400 = General
Standards HPDI32 (used by PCI-DIO24-GD1).
5.1.13. PCI Interrupt Line Register
(Offset 0x3C, Reset 0x00)
D7:0
Interrupt Line Routing Value. Indicates which input of the system interrupt controller(s) to which
the interrupt line of the device is connected.
5.1.14. PCI Interrupt Pin Register
(Offset 0x3D, Reset 0x01)
D7:0
Interrupt Pin register. Indicates which interrupt pin the device uses.
01=INTA#
Note:
PCI 9080 supports only one PCI interrupt pin (INTA#).
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General Standards Corporation, Phone: (256) 880-8787