I installed a new cd rom drive and a separate dvd/rw on
the secondary ide channel. set cd to master dvd to slave
used cable select. rebooted 2 and 3 times. took one out
still only sees one switched them one at a time still only
sees one no conflicts on IRQs. both units meet hcl ok can
anyone help
Do you have the proper cable for cable select operation?
If not set your drives to Master/Slave.
Quoting from a website
www.pcguide.com/ref/hdd/if/ide/confCS-c.html
To use cable select, both devices on the channel are set to the "cable
select" (CS) setting, usually by a special jumper. Then, a special
cable is used. This cable is very similar in most respects to the
regular IDE/ATA cable, except for the CSEL signal. CSEL is carried on
wire #28 of the standard IDE/ATA cable, and is grounded at the host's
connector (the one that attaches to the motherboard or controller). On
a cable select cable, one of the connectors (the "master connector")
has pin #28 connected through to the cable, but the other (the "slave
connector") has an open circuit on that pin (no connection). When both
drives on the channel are set cable select, here's what happens:
* Master: The device that is attached to the "master connector"
sees the CSEL signal as grounded, because its connector has pin #28
attached to the cable, and the host's connector has that signal
grounded. Seeing the "zero value" (grounded), the device sets itself
to operate as master (device 0).
* Slave: The drive that is attached to the "slave connector" does
not see the CSEL signal as grounded, because its connector is not
attached to the CSEL signal on the cable. Seeing this "no connection",
the device configures itself as a slave (device 1).
