If it's any help to anyone, here are the boot messages:

NetBSD 1.4P (GENERIC) #1: Fri Aug 31 19:53:35 JST 1956                  
       
    root@:/usr/src/sys/arch/macppc/compile/GENERIC                      
       
CPU: 603ev (Revision 201)                                               
       
total memory = 32768 KB                                                 
       
avail memory = 26268 KB                                                 
       
using 435 buffers containing 1740 KB of memory                          
       
no active packagemainbus0 (root)                                        
       
cpu0 at mainbus0: ohare L2 cache enabled                                
       
pci0 at mainbus0 bus 0                                                  
       
pci0: i/o space, memory space enabled                                   
       
pchb0 at pci0 dev 11 function 0                                         
       
pchb0: Apple Computer Bandit Host-PCI Bridge (rev. 0x03)                
       
Digital Equipment DECchip 21041 ("Tulip Plus") Ethernet (ethernet
network, revis
ion 0x21) at pci0 dev 13 function 0 not configured                      
       
Digital Equipment DECchip 21041 ("Tulip Plus") Ethernet (ethernet
network, revis
ion 0x21) at pci0 dev 14 function 0 not configured                      
       
obio0 at pci0 dev 16 function 0: addr 0xf3000000                        
       
mesh0 at obio0 offset 0x10000 irq 12: 50MHz, SCSI ID 7                  
       
scsibus0 at mesh0: 8 targets, 8 luns per target                         
       
zsc0 at obio0 offset 0x13000: irq 15,16                                 
       
zstty0 at zsc0 channel 0 (console)                                      
       
zstty1 at zsc0 channel 1                                                
       
awacs at obio0 offset 0x14000 not configured                            
       
swim3 at obio0 offset 0x15000 not configured                            
       
nvram0 at obio0 offset 0x60000                                          
       
adb0 at obio0 offset 0x16000 irq 18: 1 targets                          
       
aed0 at adb0 addr 0: ADB Event device                                   
       
akbd0 at adb0 addr 2: keyboard II                                       
       
wskbd0 at akbd0                                                         
       
wdc0 at obio0 offset 0x20000 irq property not found; using 13           
       
wd0 at wdc0 channel 0 drive 0: <WDC AC22100L>                           
       
wd0: drive supports 16-sector pio transfers, lba addressing             
       
wd0: 2014MB, 4092 cyl, 16 head, 63 sec, 512 bytes/sect x 4124736 sectors
       
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2            
       
scsibus0: waiting 2 seconds for devices to settle...                    
       
cd0 at scsibus0 targ 3 lun 0: <MATSHITA, CD-ROM CR-506, 8S05> SCSI2
5/cdrom remo
vable                                                                   
       
boot device: wd0                                                        
       
root on wd0a dumps on wd0b                                              
       
wd0: NetBSD disklabel                                                   
       
root file system type: ffs                                              
       
swapctl: adding /dev/wd0b as swap device at priority 0                  
       
Automatic boot in progress: starting file system checks.                
       
/dev/rwd0a: file system is clean; not checking                          
       
/dev/rwd0g: file system is clean; not checking                          
       
setting tty flags                                                       
       
starting network                                                        
       
configuring network interfaces:.                                        
       
writing to routing socket: Network is unreachable                       
       
add net default: gateway 192.168.0.3: Network is unreachable            
       
net.inet6.ip6.forwarding: 0 -> 0                                        
       
net.inet6.ip6.accept_rtadv: 0 -> 0                                      
       
building databases...                                                   
       
starting system logger                                                  
       
checking for core dump...                                               
       
savecore: no core dump                                                  
       
starting rpc daemons:.                                                  
       
setting securelevel: kern.securelevel: 0 -> 1                           
       
checking quotas: done.                                                  
       
clearing /tmp                                                           
       
updating motd.                                                          
       
standard daemons: cron.                                                 
       
starting network daemons: inetd.                                        
       
starting local daemons:.                                                
       
Fri Aug 31 20:12:43 JST 1956                                            
       
Aug 31 20:12:45  getty[154]: /dev/ttyE0: Device not configured          
       
                                                                        
       
NetBSD/macppc (Amnesiac) (tty00)