Compaq DA-64CAA-DA - AlphaServer - ES40 Model 2 Specification page 5

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Step 3 Memory Optional (continued)
Step 4 Additional Power Supplies Required for third and fourth CPUs and/or second Disk Drive Cage
One power supply supports two CPUs, up to 12 memory DIMMs, and one disk card cage; order second power supply if N+1 power is
required.
Two power supplies support third and fourth CPU, 13 to 32 memory DIMMs (up to 24-GB of memory), and/or two disk card cages; order
third power supply if N+1 power is required for third and fourth CPUs, 24-GB of memory, and/or two disk card cages.
Three power supplies support 32 GB of memory without N+1 power.
Three power supplies support a maximum of 24 GB of memory with full N+1 power.
Each additional power supply ordered with a tower system requires an additional country-specific power cord.
Pedestal system and Rack kit include three internal power cords regardless of the number of power supplies ordered; Pedestal systems
support 120 V and 240 V power cords.
DA-10392 North America — Version 57 — March 18, 2003
NOTE:
Linux configurations with large memory require the installation of a patch.
The patch to support greater than 2 GB of memory per system is located at:
http://www.kernel.org/pub/linux/kernel/people/andrea/patches/v2.2/2.2.17
name: bigmem-2.2.18pre2-18.bz2)
The following minimum operating system versions require the patch:
Linux RedHat V6.2
Linux SuSE V6.3 (Kernel V2.2.17)
The following operating system minimum versions support greater than 2 GB of
memory:
Linux RedHat V7.0 (installs Kernel V2.2.17)
Linux SuSE V7.0 (installs Kernel V2.2.16)
When installing Linux SuSE V7.0 on a system with more than 2 GB of memory, user
will be prompted for a (ramdisk) floppy. To create a floppy:
Mount the SuSE V7.0 installation CD-ROM #1 on the system.
Mount a blank formatted floppy (if not formatted, execute the following
command: fdformat/dev/fd0H1440).
Change directory, to the disks directory on the install CD-ROM.
Execute the following command to create the floppy contents:
dd if=install of=/dev/fd0.
Use this floppy when prompted by the install procedure for a floppy.
ES40 720W power supply
Compaq AlphaServer ES40
Compaq AlphaStation ES40
(patch
H7906-A9
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