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Standard I/O Building Block Drawer Slot Specifications
Port (Bus) #
Slot #
Maximum Bus Speed
Signal Voltage
Bus Loading,
Adapters Installed
(contiguously starting
with Slot 1)
Max Bus Speed
0 1
100 MHz
3.3V
1 PCI
1 PCI-X
2 or 3 PCI
1
66 MHz
100 MHz
33 MHz
2
33 MHz
5.0V
3
3
33 MHz
5.0V
3
1 1
133 MHz
3.3V
1 PCI-X
2 PCI-X
1 or 2 PCI
133 MHz
100 MHz
66 MHz
2
133 MHz
3.3V
2 1
66 MHz
3.3V
1 to 3 PCI
2
4 or 5 PCI
6 PCI
1 to 5 PCI-X
6 PCI-X
66 MHz
50 MHz
33 MHz
66 MHz
33 MHz
2
66 MHz
3.3V
3
66 MHz
3.3V
4
66 MHz
3.3V
5
66 MHz
3.3V
6
66 MHz
3.3V
3 1
4X AGP
1.5V
1 AGP
4X
Modules designed for 3.3V signaling and 66-MHz bus speed cannot operate in Port 0 - slots 2 and 3.
In Port 2 of a Standard I/O Drawer, if PBXGG-AA (RADEON PCI Graphics adapter) is installed together with another
card instead of 66 MHz, the bus will run at 50 MHz maximum. If RADEON is alone in slot 1, the bus will run at 66
MHz.
For Port 0, slots 2 and 3 are keyed for 5V adapters
High Performance I/O Drawer used in ES47, ES80, and GS1280 Systems
All universal or 3.3V PCI and PCI-X cards are supported,
EXCEPT: UltraSCSI wide differential adapter, 32-bit/33-MHz PCI adapter (3X-KZPBA-CC)
PCI-X protocol is used on the bus, but reverts to PCI protocol in these cases:
When a PCI card is in the slot
When Gigabit Ethernet, Rev A (DEGXA-SA/TA) is in the slot
High-performance I/O Drawer Slots Specifications
I/O
Connection
to EV7
Processor
Port (Bus) #
Slot #
Maximum Bus
Speed
Signal Voltage
Bus Loading,
Adapters Installed
(contiguously starting
with Slot 1)
Max Bus Speed
0 1
Slot 1
133 MHz
3.3V
For each slot
1 PCI
1 PCI-X
66 MHz
133 MHz
0 2
Slot 1
133 MHz
3.3V
1 1
Slot 1
133 MHz
3.3V
1 2
Slot 1
133 MHz
3.3V
2 1
Slot 1
133 MHz
3.3V
2 2
Slot 1
133 MHz
3.3V
3 1
Slot 1
133 MHz
3.3V
3 2
Slot 1
133 MHz
3.3V
QuickSpecs
HP AlphaServer GS1280 Systems
ES/GS Common Options
DA - 11921 Worldwide — Version 24 — July 23, 2007
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