13G-iDRAC8-2.61.60.60-A00 failed

Case notes:  Dell r420 auto lifecycle update failed.
BIOS reports:
iDRAC Settings Version...1.65.04
iDRAC Firmware version...2.61.60 (Build 8)

iDRAC_2_61_60_60-A00 firmimg.d7 copied to 512M FAT (FAT16) partition on SDHC card (using MicroSD adapter for delivery).

CRC verified from download, and file compare validates firmimg.d7 is not corrupt.

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** No bootable iDRAC image is found **
** (System Health & ID LED is flashing amber at ~1/2 second rate).
To Recover iDRAC via an SD card.
1)  Format SD using FAT on a Windows box or EXT3 using Linux.
2)  Copy 'firmimg.d7' to root path.
3)  Insert SD card.
4)  System Health & ID button solid amber durning recover.
5)  Both boot paths are flashed.
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Found '/firmimg.d7' in 'FAT' file system


UTIL RECOVER:Transport:sd  TargetMMC:EMMC  File:/firmimg.d7
reading /firmimg.d7

109270246 bytes read
UTIL RECOVER:SD load passed from FAT fs.
UTIL RECOVER:Transport time [sec:mil]: 18:918

Clear OS images in partition/s.
Clear kernelN, rootfsN, ubootN
'EMMC' blk size=[0x200][512]  Erase to 0xffffffff
Mem buf size=[0x06000000][100663296]  Total bytes=[0x08000000][134217728]
blocks[0x1:0x40001][1:262145]

Blocks [0x1:0x30000] Buf[0x88000000]..fill buffer..erase/write
mmc write failed

util flash:
Failure writing blocks [1:196609] RC=0xffffffac
/nRecover returned failure, RC=0xffffffff
Firmimg.d7 might be bad.
Polling for SD card state change \