Not sure what's with his configuration.
On my system the CTPCI IDE are at least 2x read speed of the falc IDE. Faster MINT boot up
These were done back in 2012 using Kronos:
Running on using MINT Falcon IDE:
Running on using MINT CTPCI IDE:
DISK_READ = 12 379, (Mo / sec)
DISK_WRITE = 12 851, (Mo / sec)
DISK_MULTIREAD = 40 215, (Mo / sec)
DISK_MULTIWRITE = 37 362, (Mo / sec)
DISK_CREATE_DELETE = 255.0; (op / sec)
DISK_READ_WRITE_CACHE = 39 010, (Mo / sec)
Actual thread here: viewtopic.php?f=97&t=22562#p201637
My guess could be his write-back cache settings.