here's what I get from the serial output.
MITEL SYSTEM ROM R3.1/15 Oct 20 2014 (83 - POWER_ON_RESET)
CCA Number : 56009582 RA.1
System Model : 00620001 F2500
CPU Model : 8360 R80480021
Reset Config Low : 0804008c
Reset Config High : b4500006
Coherent System Bus Clock (MHz) : 266
CPM Clock (MHz) : 399
Core Clock (MHz) : 533
DDR Clock (MHz) : 133
Local Bus Clock (MHz) : 66
Input Clock (MHz) : 33
Internal Memory Map : f0000000
Main Memory (MB) : 1024
Local Memory (MB) : 0
Flash Memory (MB) : 4
MAC Address : 08000f8ad08a
POST Bypass : 0
Watchdog Bypass : 0
Slot Id : 0
Starting POST...
SDRAM CS1 Data Bit Walk 1................... PASSED
SDRAM CS1 Data Bit Walk 0................... PASSED
SDRAM CS2 Data Bit Walk 1................... PASSED
SDRAM CS2 Data Bit Walk 0................... PASSED
SDRAM CS1 Address Walk 1................... PASSED
SDRAM CS1 Address Walk 0................... PASSED
SDRAM CS2 Address Walk 1................... PASSED
SDRAM CS2 Address Walk 0................... PASSED
SDRAM CS1 March Test........................ PASSED
SDRAM CS2 March Test........................ PASSED
Starting vxWorks...
Decompressing FPGA image...615412 bytes decompressed successfully
Programming the FPGA image...OK
FPGA version 0002:601b loaded
SATA RAID Controller Detected.
Bay 1 is disk operational.
Bay 2 is empty.
VxWorks System Boot
Copyright 1984-2002 Wind River Systems, Inc.
CPU: Mitel MMC-C PPC83XX F2500
Version: VxWorks5.5.2
BSP version: 3.1/15
Creation date: Oct 20 2014, 15:43:02
Press <SPACE><SPACE><SPACE> to stop auto-boot AFTER countdown starts...
<7><6><5><4><3><2><1><0>
auto-booting...
boot device : ata=0,0
unit number : 0
processor number : 0
file name : /partition1/RTC8260
inet on ethernet (e) : 192.168.1.2:ffffff00
gateway inet (g) : 192.168.1.1
user (u) : ftp
ftp password (pw) : @
flags (f) : 0x0
other (o) : qefcc