The CGrdi is actually an Sbus board. It has a flexprint cable that 
goes to the LCD display and a small two-wire cable (probably power) 
that goes to the display. Since there are no other connections to the 
flatpanel I am assuming that the cgRDI is the display board for the flatpanel.

I also have a bad NVRAM battery in the system.

It looks like the cgRDI might be a special CG3 and is supported in 
Linux and OpenBSD.
http://kernel24.sourcesdb.com/r.php?num=7009

Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
     The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
     The Regents of the University of California.  All rights reserved.

NetBSD 3.1 (GENERIC) #0: Tue Oct 31 08:59:48 UTC 2006
         builds@b3.netbsd.org:/home/builds/ab/netbsd-3-1-RELEASE/sparc/200610302053Z-obj/home/builds/ab/netbsd-3-1-RELEASE/src/sys/arch/sparc/compile/GENERIC
total memory = 48776 KB
avail memory = 43492 KB
bootpath: 
/iommu@0,10000000/sbus@0,10001000/espdma@4,8400000/esp@4,8800000/sd@3,0
mainbus0 (root): SUNW,SPARCstation-LX: hostid aaaaaaaa
cpu0 at mainbus0: TMS390S10 @ 50 MHz, on-chip FPU
cpu0: physical 4K instruction (32 b/l), 2K data (16 b/l): cache enabled
obio0 at mainbus0
clock0 at obio0 slot 0 offset 0x200000: mk48t08
timer0 at obio0 slot 0 offset 0xd00000: delay constant 23
zs0 at obio0 slot 0 offset 0x100000 level 12 softpri 6
zstty0 at zs0 channel 0
zstty1 at zs0 channel 1
zs1 at obio0 slot 0 offset 0x0 level 12 softpri 6
kbd0 at zs1 channel 0: baud rate 1200 (console input)
ms0 at zs1 channel 1: baud rate 1200
slavioconfig at obio0 slot 0 offset 0x800000 not configured
auxreg0 at obio0 slot 0 offset 0x900000
power0 at obio0 slot 0 offset 0x910000 level 2
fdc0 at obio0 slot 0 offset 0x400000 level 11 softpri 4: chip 82077
fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
iommu0 at mainbus0 addr 0x10000000: version 0x1/0x4, page-size 4096, range 64MB
sbus0 at iommu0: clock = 25 MHz
dma0 at sbus0 slot 4 offset 0x8400000: DMA rev 2
esp0 at dma0 slot 4 offset 0x8800000 level 4: ESP200, 40MHz, SCSI ID 7
scsibus0 at esp0: 8 targets, 8 luns per target
bpp0 at sbus0 slot 4 offset 0xc800000 level 2 (ipl 3): DMA rev 2
ledma0 at sbus0 slot 4 offset 0x8400010: DMA rev 2
le0 at ledma0 slot 4 offset 0x8c00000 level 6: address aa:aa:aa:aa:aa:aa
le0: 8 receive buffers, 2 transmit buffers
cgsix0 at sbus0 slot 3 offset 0x0 level 9: SUNW,501-1672, 1152 x 900, 
rev 8cgsix0: attached to /dev/fb

cgsix0: framebuffer size: 1 MB
SUNW,DBRIe at sbus0 slot 2 offset 0x10000 level 9 not configured
cgRDI at sbus0 slot 0 offset 0x0 level 9 not configured
Kernelized RAIDframe activated
scsibus0: waiting 2 seconds for devices to settle...
sd0 at scsibus0 target 3 lun 0: <SEAGATE, ST3550N, 9416> disk fixed
sd0: 435 MB, 2128 cyl, 5 head, 83 sec, 512 bytes/sect x 891574 sectors
sd0: sync (200.00ns offset 14), 8-bit (5.000MB/s) transfers
root on sd0a dumps on sd0b
root file system type: ffs
WARNING: bad date in battery clock -- CHECK AND RESET THE DATE!


At 10:27 AM 11/22/2006, Michael Lorenz wrote:
>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>Hello,
>
>On Nov 22, 2006, at 07:10, M Thompson wrote:
>
>>I just installed V3.1 on a RDI BriteLite LX. This is a luggable 
>>system with an LX motherboard inside. The CGsix on the mother board 
>>was detected and configured OK. There is a special video board for 
>>the LCD display. This was detected as a CGrdi, but was not 
>>configured. The CGrdi works fine in text mode and is the system console.
>>
>>How can I get the CGrdi to work?
>
>Well, since there is no such thing as a CG6 text mode - we always 
>run graphics - it looks like you already did.
>X should work just as well since it doesn't change video modes 
>either - it uses whatever it finds.
>Could you please post your dmesg output?
>
>>I have a binary driver for the CGrdi. I will have to check to see 
>>if it is for SunOS or Solaris.
>
>Maybe ask Tadpole for docs? This device probably does stuff like 
>controlling the LCD's brightness, backlight etc and would therefore 
>be nice to support.
>
>have fun
>Michael
>-----BEGIN PGP SIGNATURE-----
>Version: GnuPG v1.2.4 (Darwin)
>
>iQEVAwUBRWRsdMpnzkX8Yg2nAQJ8wAf/Y2u82xihRWPUWq8SYd71OKDqNa4uv8n0
>hwkzEi27NvBMtClgtQbB7Z/y/YwwHELMmcsaUCkOmzQoa+0+79PxrHsSilECta9y
>XIenTG2t8yWwHpk79XTIpzIvdmkfJu4PgpSuqmsnd4HActwyHsWEfy5s+c5vPLIj
>vMwlJFp0X9AHX4IY6y4MYX+6JUWY2wt93P7Woj5PCtCkJC0MT7zK0Q4kIHjWQp7x
>MtK8NBtSfRUthV1GUGXVnAVDLCFeArIl5Gv9XIGJXUm1rPpdHdUDcfPTFBGxpd3D
>anUQu3VqYnfwGOvlRBkJaPZoxnLye3ga/1NGutY29bUNeXiVKNroMQ==
>=O6n+
>-----END PGP SIGNATURE-----


Michael Thompson
E-Mail: M_Thompson@IDS.net