Per your request. Following same testing procedure as in my posts #32 and #40.

======================

BEFORE:

root@t520:~# efibootmgr -v
BootCurrent: 0019
Timeout: 0 seconds
BootOrder: 0019,0006,000C,0007,000A,0008,000D,000E,000F,000B,0009,0011,0012,0010,0013
Boot0000  Setup
Boot0001  Boot Menu
Boot0002  Diagnostic Splash Screen
Boot0003  Startup Interrupt Menu
Boot0004  ME Configuration Menu
Boot0005  Rescue and Recovery
Boot0006* USB CD        030a2400d23878bc820f604d8316c068ee79d25b86701296aa5a7848b66cd49dd3ba6a55
Boot0007* USB FDD       030a2400d23878bc820f604d8316c068ee79d25b6ff015a28830b543a8b8641009461e49
Boot0008* ATAPI CD0     030a2500d23878bc820f604d8316c068ee79d25baea2090adfde214e8b3a5e471856a35401
Boot0009  ATA HDD2      030a2500d23878bc820f604d8316c068ee79d25b91af625956449f41a7b91f4f892ab0f602
Boot000A* ATA HDD0      030a2500d23878bc820f604d8316c068ee79d25b91af625956449f41a7b91f4f892ab0f600
Boot000B  ATA HDD1      030a2500d23878bc820f604d8316c068ee79d25b91af625956449f41a7b91f4f892ab0f601
Boot000C* USB HDD       030a2400d23878bc820f604d8316c068ee79d25b33e821aaaf33bc4789bd419f88c50803
Boot000D* PCI LAN       030a2400d23878bc820f604d8316c068ee79d25b78a84aaf2b2afc4ea79cf5cc8f3d3803
Boot000E  ATAPI CD1     030a2500d23878bc820f604d8316c068ee79d25baea2090adfde214e8b3a5e471856a35403
Boot000F  ATAPI CD2     030a2500d23878bc820f604d8316c068ee79d25baea2090adfde214e8b3a5e471856a35404
Boot0010  Other CD      030a2500d23878bc820f604d8316c068ee79d25baea2090adfde214e8b3a5e471856a35406
Boot0011  ATA HDD3      030a2500d23878bc820f604d8316c068ee79d25b91af625956449f41a7b91f4f892ab0f603
Boot0012  ATA HDD4      030a2500d23878bc820f604d8316c068ee79d25b91af625956449f41a7b91f4f892ab0f604
Boot0013  Other HDD     030a2500d23878bc820f604d8316c068ee79d25b91af625956449f41a7b91f4f892ab0f606
Boot0014* IDER BOOT CDROM       ACPI(a0341d0,0)PCI(16,2)ATAPI(0,1,0)
Boot0015* IDER BOOT Floppy      ACPI(a0341d0,0)PCI(16,2)ATAPI(0,0,0)
Boot0016* ATA HDD       030a2400d23878bc820f604d8316c068ee79d25b91af625956449f41a7b91f4f892ab0f6
Boot0017* ATAPI CD:     030a2400d23878bc820f604d8316c068ee79d25baea2090adfde214e8b3a5e471856a354
Boot0018* PCI LAN       030a2400d23878bc820f604d8316c068ee79d25b78a84aaf2b2afc4ea79cf5cc8f3d3803
Boot0019* rEFInd Boot Manager   HD(1,28,100000,35a3de7a-7015-4855-b882-1c8e9432b8fe)File(\EFI\refind\refind_x64.efi)

======================

BOOTED KERNEL:

root@t520:~# uname -a
Linux t520 3.8.0-28-generic #41-Ubuntu SMP Fri Jul 26 16:26:01 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

root@t520:~# apt-cache policy linux-image-3.8.0-28-generic 
linux-image-3.8.0-28-generic:
  Installed: 3.8.0-28.41
  Candidate: 3.8.0-28.41
  Version table:
 *** 3.8.0-28.41 0
        500 http://mirror.anl.gov/ubuntu/ raring-proposed/main amd64 Packages
        100 /var/lib/dpkg/status

======================

ADD NVRAM ENTRY AND PRINT:

root@t520:~# efibootmgr -c -d /dev/sda -p 1 -l '\EFI\refind\Zrefind_x64.efi' -L 'Z rEFInd Boot Manager'
BootCurrent: 0019
Timeout: 0 seconds
BootOrder: 001A,0019,0006,000C,0007,000A,0008,000D,000E,000F,000B,0009,0011,0012,0010,0013
Boot0000  Setup
Boot0001  Boot Menu
Boot0002  Diagnostic Splash Screen
Boot0003  Startup Interrupt Menu
Boot0004  ME Configuration Menu
Boot0005  Rescue and Recovery
Boot0006* USB CD
Boot0007* USB FDD
Boot0008* ATAPI CD0
Boot0009  ATA HDD2
Boot000A* ATA HDD0
Boot000B  ATA HDD1
Boot000C* USB HDD
Boot000D* PCI LAN
Boot000E  ATAPI CD1
Boot000F  ATAPI CD2
Boot0010  Other CD
Boot0011  ATA HDD3
Boot0012  ATA HDD4
Boot0013  Other HDD
Boot0014* IDER BOOT CDROM
Boot0015* IDER BOOT Floppy
Boot0016* ATA HDD
Boot0017* ATAPI CD:
Boot0018* PCI LAN
Boot0019* rEFInd Boot Manager
Boot001A* Z rEFInd Boot Manager

======================

Looks good here! This is wonderful. Thanks much.