from what it looks like there is only 1 EIDE slot on the motherboard. it goes straight from the board to the front of the computer ( there are a bunch of media card slots.)
would something like this work?
Can Attaches to any type of ATAPI, ATA/133/100/66/33, EIDE and IDE storage devices (DVD, DVD-RAM, MO, CD-ROM, CD-RW, Hard Disk, ….)
Mini Board size (59mm x 25mm), No space wasted
Compliant with Serial ATA 1.0a specifications and High transfer rate of 1.5Gbps
Supports Spread Spectrum in receiver
Compliant with ATA specifications
Compatible with Ultra ATA 133
Automatically decode the ATAPI command to know the UDMA direction.
100% hardware bridge converter board to support PC, MAC and Linux environment
RC-204 allows you change an ATA cable to a SATA one that increases the air flow in PC