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EK-DSCPU-IN-C01

2000

5 pages

Original

0.6MB

Document:	KN31x CPU Installation Card
Order Number:	EK-DSCPU-IN
Revision:	C01
Pages:	5
Original Filename:

OCR Text

EK–DSCPU–IN. C01

KN311/312 CPU INSTALLATION CARD
Use this quick reference card with AlphaServer DS20E or
AlphaStation DS20E systems for either upgrading from
the KN310 to the KN311, KN310 to the KN312, or
KN311 to the KN312 CPU module or for adding a second
CPU module. (Mixed configurations of KN310, KN311,
or KN312 processors are not supported.)
WARNING: CPU modules and memory modules have
parts that operate at high temperatures. Wait 2 minutes
after power is removed before touching any module.
CAUTION: Wear an antistatic wrist strap when working
on this system.
Overview
• Open the cabinet. See the DS20E Reference Guide
shipped with your system (ER-K8F6W-UA).
• Locate the CPU slot and switches.
• Install the CPU module.
• Verify the installation.
Open the Cabinet.
1. Shut down the operating system and power down the
system.
2. Unplug the power cord.
3. Remove the cover to gain access to the system card
cage. See Figure 1.
a. Open the front bezel.

b.
c.

Loosen the captive screw
attaching the side
panel to the chassis.
with a rearward motion.
Remove the panel

Figure 1 Opening the Cabinet

CAT0034A

Locate the CPU Slot and Switches.
Always place the first CPU in slot 0; use slot 1 when you
are adding a second CPU.
Figure 2 CPU Slots and SW3 MLB Switches
1
3
1

DIMM 3
Slots 02
0
2

CPU 0

DIMM
Slots

CPU 1

2
0
2
0
3
1
3
1

OFF

ON
CN7
CN6
CN5
CN4
CN3
CN2
SPR
FLASH_WT
CAT0030C

Table 1 MLB Switch Settings (54-24756-03)
SW3 MLB Switch Settings for KN311
and KN312

Module

KN311/312

Off

SPR

F_WT

Off

Install the CPU Module.
1. Remove the processor from its shipping container.
Take ESD protection when installing CPUs.
2.

3.
4.
5.

6.
7.
8.
9.

Slide the CPU module into the appropriate CPU slot.
Be sure the edges of the module are in both guides so
that it correctly lines up with the slot on the system
board.
Ensure that there are no cables interfering, then press
the module firmly into the connector.
Secure the module to the card cage frame with the
two captive screws on the handle.
If you are upgrading from KN310 to KN311/312,
move SW3 MLB CPU switch CN6 to “On”. Refer to
Table 1. (If you are adding a second module, the
CPU switch settings should remain the same as
originally set for the first KN311 module.)
Plug the dc power harness into the CPU.
Replace the cover and tighten the captive screws.
Replace the bezel.
Plug the ac power cord in.

Figure 3 CPU Installation

CAT0040A

Verify the Installation.
• Issue the SRM console show CPU command to
display the status of the CPU modules.
Part numbers for options can be found on the Internet.
Using a Web browser, follow links to the appropriate
AlphaServer DS20E / AlphaStation DS20E supported
options list from the URL:
http://www.compaq.com/alphaserver/products.html
Important: When moving from a KN310 to a KN311 or
KN312 CPU, make sure that switch CN 6 on SW3 of the
MLB is correctly selected. Off = KN310 and On =
KN311 and KN312.