strange text come out

I try to install red hat linux and I connect the PC with serial port .
I use hyper terminal as terminal.
when the machine boot from DVD/CD , there is no text mode(simply graphic) screen come out..
just a strange/rubblish text come out ??
What is the problem ??
Pleae advice .

I also find it is hang when I install in text mode ..below is the hang screen

Linux Plug and Play Support v.0.97 (c) Adam Belay
pnp:PNP ACPI init
pnp:PnP ACPI:found 5 devices
usbcore:registered new driver usbfs
usbcore:registered new driver hub
PCI: Using ACPI for IRQ routing
PCI:If a device doesn't work,try "pci=routeirq".If it helps ,post a report
NetLabel:Initializing
NetLabel:domain hash size=128
NetLabel:protocols = UNLABELED CIPSOv4
NetLabel:unlabeled traffic allowed by default
PCI:Ignore bogus resource 6 [0:0] of 0000:00:02.0
NET:REgistered protocol family 2

Please advice

Are you on a sparc box? Normally you don't need to use hyperterminal etc on an intel based server. Red Hat hasn't supported a sparc based platform in almost 10 years I think, though my time may be off a little.

What box are you connecting to?

also, the pci=routeirq is a kernel option you can use at boot, but I am not sure that is really going to help at this juncture.

You mean type
linux text pci=routeirq
??
Please advice