6.2 DPU Card Cage Slots
6.2 DPU Card Cage Slots
The DPU card cage is divided into two dedicated blocks: one for I/O PCBs and
the other for PE array PCBs, as shown in Figure 6–3. The DECmpp 12000
supports the ACU, the VME interface PCB, 16 PE array PCBs, and 15 I/O PCBs.
The DECmpp 12000–LC supports the ACU, the VME interface PCB, 4 PE array
PCBs, and 5 I/O PCBs.
6.2.1 I/O Slots
The first I/O slot, labeled ACU, always holds the ACU PCB. The second I/O slot
(slot IO00) is configured to support the Front-end VME interface PCB (MVIB).
This is a T6000 PCB mounted on a Parallel VME 6U Adapter PCB. The other
slots are for the PVME PCB and VMEbus PCBs mounted on Parallel VME 6U
Adapters.
In the DECmpp 12000 configuration, physical slot 10 (slot IO08) is reserved for
the PVME controller PCB and physical slot 6 (slot IO04) is reserved for the PDA
interface.
In the DECmpp 12000–LC configuration, physical slot 5 (slot I/O 03) is reserved
for the PVME controller and physical slot 6 (slot IO04) is reserved for the PDA
interface.
6.2.2 PE Array PCB Slots
DECmpp 12000 systems support 1, 2, 4, 8, or 16 PE array PCBs; DECmpp
12000–LC systems support 1, 2, or 4 PE array PCBs. The PE array PCBs must
be in contiguous slots, starting with the first PE array PCB slot. If the number of
PE array PCBs changes, backplane jumpers must be reconfigured, as described in
Chapter 7.
All PE array PCB slots that do not contain a PE array PCB must contain a router
PCB. The DECmpp will not work if any PE array PCB slot is empty.
6–4 Removal and Replacement Procedures
Содержание DECmpp 12000/Sx 100
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