Working boot log for reference - may help someone else out.

empeg-net v1.01 20000710 ([email protected])
If there is anyone present who wants to upgrade the flash, let them speak now,
or forever hold their peace...it seems not. Let fly the Penguins of Linux!

Clearing 4Mb of RAM...
Copying kernel...
Calling linux kernel...
Uncompressing Linux............................. done, booting the kernel.

boot no options
Linux version 2.2.14-rmk4-mercury17-v1.01 ([email protected])
(gcc version 2.95.2 19991024 (release)) #73 Fri Jul 14 17:37:29 BST 2000
NetWinder Floating Point Emulator V0.94.1 (c) 1998 Corel Computer Corp.
Calibrating delay loop... 65.33 BogoMIPS
Memory: 3116k/4M available (752k code, 20k reserved, 200k data, 8k init)
Dentry hash table entries: 512 (order 0, 4k)
Buffer cache hash table entries: 2048 (order 1, 8k)
Page cache hash table entries: 1024 (order 0, 4k)
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.2
Based upon Swansea University Computer Society NET3.039
NET4: Unix domain sockets 1.0 for Linux NET4.0.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
TCP: Hash tables configured (ehash 4096 bhash 4096)
Starting kswapd v 1.5
empeg clps7212 audio driver initialized
mercury display initialised.
mercury infra-red support initialised.
mercury rotary support initialised.
mercury buttons support initialised.
Probing for cs8900a
eth0: cs8900 rev J found at 0x300 media RJ-45, IRQ 7 00 90 00 11 4c 01
IP-Config: Entered.
eth0: using 10Base-T (RJ-45)
IP-Config: Opened eth0 (able=28)
DHCP: XID=42043489
Sending DHCP / UPnP requests...IP-Config: UPnP trying address 169.254.75.185
....
DHCP: Got extension 35 02
DHCP: Got extension 01 ff ff ff 00
DHCP: Got extension 03 c0 a8 00 0b
DHCP: Got extension 0c 6d 65 72 63 75 72 79 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00
DHCP: Got extension 11 2f 65 78 70 6f 72 74 2f 6d 65 72 63 75 72 79 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00
DHCP: Got extension 33 ff ff ff ff
DHCP: Got extension 3a ff ff ff ff
DHCP: Got extension 3b ff ff ff ff
DHCP: Gateway is 0b00a8c0
OK
DHCP lease time (d:hh:mm) 49710:06:28
IP-Config: Got DHCP answer from 192.168.0.11, my address is 192.168.0.111
Sending SSDP requests....IP-Config: ARP request from 00:03:47:b1:3a:07 (192.168.0.11)
SSDP: NFS server at 192.168.0.11:21076
OK
IP-Config: device=eth0, local=6f00a8c0, server=0b00a8c0, boot=0b00a8c0, gw=0b00a8c0, mask=00ffffff
IP-Config: host=mercury, domain=(none), path=`/export/mercury'
Looking up port of RPC 100003/2 on 192.168.0.11
Looking up port of RPC 100005/1 on 192.168.0.11
VFS: Mounted root (NFS filesystem) readonly.
Freeing unused kernel memory: 8k init
Bootstrap code size 348
Found kernel image "/zImage", size: 380620
Loading kernel image at virt c0180000... loaded
Found pna driver image "/il-binary.o", size: 0
Loading pna module image at virt c03e0000... loaded
Command line: "ip=192.168.0.111:192.168.0.11:21076:192.168.0.11:255.255.255.0:mercury::off loadmodule=0xc03e0000"
Copying bootstrap code...
Calling architecture bootstrap loader...
c0180000 0005cecc c01de000 c01dd000
Uncompressing Linux........................... done, booting the kernel.

boot no options
Linux version 2.2.14-rmk4-mercury19 (robin@victoria)
(gcc version 3.4.2 (release) (CodeSourcery ARM Q3D 2004)) #1 Mon Jul 16 17:37:22 BST 2007
NetWinder Floating Point Emulator V0.94.1 (c) 1998 Corel Computer Corp.
IP-Config: Parameter #0: `192.168.0.111'
IP-Config: Parameter #1: `192.168.0.11'
IP-Config: Parameter #2: `21076'
IP-Config: Parameter #3: `192.168.0.11'
IP-Config: Parameter #4: `255.255.255.0'
IP-Config: Parameter #5: `mercury'
IP-Config: Parameter #7: `off'
Calibrating delay loop... 65.33 BogoMIPS
Memory: 3156k/4M available (712k code, 20k reserved, 200k data, 8k init)
Dentry hash table entries: 512 (order 0, 4k)
Buffer cache hash table entries: 2048 (order 1, 8k)
Page cache hash table entries: 1024 (order 0, 4k)
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.2
Based upon Swansea University Computer Society NET3.039
NET4: Unix domain sockets 1.0 for Linux NET4.0.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
TCP: Hash tables configured (ehash 4096 bhash 4096)
Starting kswapd v 1.5
empeg clps7212 audio driver initialized
mercury display initialised.
mercury infra-red support initialised.
mercury rotary support initialised.
mercury buttons support initialised.
Probing for cs8900a
eth0: cs8900 rev J found at 0x300 media RJ-45, IRQ 7 00 90 00 11 4c 01
IP-Config: Entered.
eth0: using 10Base-T (RJ-45)
IP-Config: Opened eth0 (able=0)
IP-Config: device=eth0, local=6f00a8c0, server=0b00a8c0, boot=0b00a8c0, gw=0b00a8c0, mask=00ffffff
IP-Config: host=mercury, domain=(none), path=`'
Looking up port of RPC 100003/2 on 192.168.0.11
Looking up port of RPC 100005/1 on 192.168.0.11
VFS: Mounted root (NFS filesystem) readonly.
Freeing unused kernel memory: 8k init
init (1): unsupported llseek call standard
init (1): unsupported llseek call standard
madplay (13): unsupported llseek call standard
madplay (13): unsupported llseek call standard
madplay.real (13): unsupported llseek call standard
madplay (14): unsupported llseek call standard
madplay (14): unsupported llseek call standard
madplay.real (14): unsupported llseek call standard