TTY Issue with Sunblade 150 Post: 302397177

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Operating Systems Solaris TTY Issue with Sunblade 150 Post 302397177 by Geekasaurus on Sunday 21st of February 2010 07:38:31 AM

02-21-2010

Registered User

TTY Issue with Sunblade 150

I purchased a Sunblade 150 from Ebay. It had 512MB RAM and 80GB hard disk. I recently purchased additional RAM and another 80GB disk, and installed them. The RAM goes through POST without issues. I just can't get beyond the OK prompt. I am using the serial console.

I have been unable to make the on-board graphics work, and do not have a SUN mouse and keyboard. I am content with the serial console. Using the serial console, I can see the machine going through all its various tests...prior to shutting it down, I went to OBP and set the diagnostics flag to true. Everything appears copasetic

Except that I cannot send any data to the serial console. I dug out my RS-232 tester, and it does appear to have a problem. The CD (Carrier Detect), DSR (Data Set Ready), RTS (Ready to Send), DTR (Data Terminal Ready), CTS (Clear to Send), and RD (Receive Detect) lights are lit as normal, however, the TD (Transmit Detect) is not lit.

To check the cable, I connected it to my RS6000/B50 server. All 7 lights come on as expected and everything works. The problem therefore is not my cable, nor is it the XP system that I am using PuTTY to make the connection with. This cable did work prior to the installation of RAM and hard disk. I was able to install Solaris 10 via the serial console without event.

I had to purchase new IDE cables for the upgrade--the ones that came with it were far too short.

This makes no sense to me at all. Should I remove the RAM? I did try it with the 2nd Hard Disk disconnected, but the problem returned.

Why is the Sunblade not asserting TD? Everything else seems just fine.

I read elsewhere that I cannot use a standard mouse and keyboard with this thing. Further, the on-board video is deader than Elvis--at least there is a rumor that Elvis lives. Could these issues be related?

Geekasaurus

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iscc

iscc(7) 						 Miscellaneous Information Manual						   iscc(7)

NAME

       iscc - serial communications interface

SYNOPSIS

       controller  iscc0  at  isa0

DESCRIPTION

       An  onboard  Zilog  8530  DUART	provides  AXPvme-based Single Board Computers with console (CON) and auxiliary (AUX) serial communications
       ports.  Both serial communications ports can operate at baud rates from B50 to B38400,  excluding B134 (see tty(7)).

       On AXPvme Single Board Computers configured with a graphics head as the system console, the CON serial communications port (/dev/tty01)	is
       available for use by application programs as an additional communications port.

       In  the	absence  of a graphics head, the CON serial communications port (/dev/console) becomes the system console. When used as the serial
       system console, the CON serial communications port always operates at 9600 BPS, 8-bits, and no parity.

       Regardless of system console, the AUX serial communications port (/dev/tty00) is always available for use by application programs.

RESTRICTIONS

       Data communications equipment attached to the CON serial communications port must be set to 9600 BPS, 8-bits, no parity when configured	as
       the serial system console. The iscc terminal driver enforces this restriction.

       No modem control is supported for either the CON or AUX serial communications ports.

FILES

       console terminal local terminal local terminal

RELATED INFORMATION

       console(7), devio(7), tty(7), MAKEDEV(8) delim off

																	   iscc(7)