Specifications

TURBOchannel Bus Support
12.2 TURBOchannel on DEC 3000 Model 500
ioc$k_turbo_slot_sparse_pa returns sparse space
slot base address
ioc$k_turbo_slot_dense_pa returns dense space slot
base address
An example call to IOC$NODE_DATA is shown below:
status = ioc$node_data (crb_address,
ioc$k_turbo_slot_sparse_pa,
address_of_buffer);
IOC$NODE_DATA reads the TURBOchannel slot number from the CRB$L_
NODE field of the CRB and returns the sparse space slot physical address in the
caller’s buffer.
12.3 TURBOchannel on DEC 3000 Model 400
The DEC 3000 Model 400 platform is based on the DEC 3000 Model 500 platform.
The only differences are that DEC 3000 Model 400 implements 3 TURBOchannel
option slots and does not contain an integrated graphics controller. The only
difference in TURBOchannel bus support on DEC 3000 Model 500 and DEC
3000 Model 400 is the TURBOchannel address map. The DEC 3000 Model
400/TURBOchannel address map is shown below.
DEC 3000 Model 400 TURBOchannel Address Map
Slot Base Physical Addressze Space
3 1 6000 0000 128 MB Slot 3 Dense space
1 6800 0000 128 MB Reserved
1 7000 0000 256 MB Slot 3 Sparse space
4 1 8000 0000 128 MB Slot 4 Dense space
1 8800 0000 128 MB Reserved
1 9000 0000 256 MB Slot 4 Sparse space
5 1 A000 0000 128 MB Slot 5 Dense space
1 A800 0000 128 MB Reserved
1 B000 0000 256 MB Slot 5 Sparse space
DEC 3000 Model 400 implements the same integral options as DEC 3000 Model
500, except that there is no integrated graphics controller. Thus, the address map
also contains an integrated SCSI adapter (TURBOchannel slot 6) and the Core
I/O subsystem (TURBOchannel slot 7). OpenVMS AXP uses the same platform
specific image to support both DEC 3000 Model 500 and DEC 3000 Model 400.
Therefore, the 3 TURBOchannel option slots available on DEC 3000 Model
400 are labeled 3, 4, and 5 by OpenVMS AXP, since their option slot addresses
correspond exactly to DEC 3000 Model 500/TURBOchannel slots 3, 4, and 5.
[LIB.LIS}IO0402DEF.SDL defines symbols for DEC 3000 Model 500 and DEC
3000 Model 400 physical addresses. Note that the DEC 3000 Model 400 console
uses a different slot labeling scheme.
The ADP list looks exactly the same on DEC 3000 Model 400 as on DEC 3000
Model 500, except that entries 0, 1, 2, and 8 will always be empty on DEC 3000
Model 400. The DEC 3000 Model 400 ADP list is shown in Figure 12–13.
12–16