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QuickSpecs
Systems
PCI Configuration
PCI Configuration
PCI Configuration
PCI Configuration
Guidelines
Guidelines
Guidelines
Guidelines
PCI Slot
PCI Slot
PCI Slot
PCI Slot
1
2
3
4
5
6
Step 1 – Select system
Step 1 – Select system
Step 1 – Select system
Step 1 – Select system
AlphaServer/AlphaStation DS25 systems require the mandatory
System memory (Step 2a)
Pedestal/tower or rackmount bezel kit (Step 2b)
Disk drive cage (Step 2c)
System disk drive (Step 2d)
Two power cords (Step 2e)
Order country-specific keyboard and mouse only if required. (Step 14)
Software media and documentation for first system onsite. (Step 16)
NOTES: DS25 minimum OS support - Tru64 UNIX V5.1A NHD5, OpenVMS V7.3-1.
NOTES
NOTES
NOTES
Only 2-5-2 part numbers are factory integrated.
Modules designed for 5.0V signaling and 33-MHz bus speed can only operate in
5.0V/33-MHz slots (slots 5 and 6).
A maximum of two 5V modules can be installed in the system.
Modules designed for 3.3 V signaling and 66-MHz bus speed can only operate in
66-MHz slots (slots 1, 2, 3, 4).
Universal PCI modules can operate in all slots (3.3V and 5.0V).
Universal PCI modules can operate at a maximum bus speed of 33 MHz or
66 MHz.
Universal PCI modules operating at 33 MHz placed in a 66-MHz slot will reduce the
entire hose to operate at 33 MHz.
Universal PCI modules capable of operating at 66 MHz when placed in a 33-MHz
slot will operate at 33 MHz.
PCI Module Descriptions:
PCI Module Descriptions
PCI Module Descriptions
PCI Module Descriptions
PCI modules listed in this document as 33 MHz or 66 MHz refers to the module's maximum
PCI bus speed.
Modules that can only operate at 5V are designated as 5V – 33-MHz modules.
Universal PCI modules are designated as 3.3/5V and can be installed into 33-MHz
or 66-MHz slots.
The AlphaServer DS25 provides three PCI buses (hoses) that drive the six slots. A fourth
hose drives the on-board Gbit Ethernet and dual channel Ultra3 SCSI adapter.
Hose 0 – 33 MHz driving slots 5 and 6
Hose 3 – 66 MHz driving slots 3 and 4
Hose 1 – 66 MHz driving slots 1 and 2
The DS25 PCI bus and slot specifications follow:
PCI Bus Speed
PCI Bus Speed
PCI Bus Speed
PCI Bus Speed
66 MHz
66 MHz
66 MHz
66 MHz
33 MHz
33 MHz
mandatory selection of the following items:
mandatory
mandatory
DA - 11432
HP AlphaServer DS25 HP AlphaStation DS25
HP AlphaServer DS25 HP AlphaStation DS25
HP AlphaServer DS25 HP AlphaStation DS25
HP AlphaServer DS25 HP AlphaStation DS25
Signal Voltage
Signal Voltage
Signal Voltage
Signal Voltage
3.3V
3.3V
3.3V
3.3V
5.0V
5.0V
Worldwide — Version 21 — May 7, 2007
PCI Hose Number
PCI Hose Number
PCI Hose Number
PCI Hose Number
1
1
3
3
0
0
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