lexcom lightbook stops during booting

[openbsd <openbsd_(_at_)_beke_(_dot_)_info>]

Hi all,
i have here lightbook from Lexcom ( www.lex.com.tw ). Small fanless
computer -> 3 ethernet interfaces, no CDrom, no floppy, VIASamuel 2
processor. 
Successfully installed OpenBSD 3.6 using pxeboot.
But unfortunately, now after reboot i can boot, but in the middle of
booting it freezes.
I can boot boot.rd and down there is attached dmesg. But generic kernel
is a problem. Below boot.rd dmesg is what i can see on screen
during booting generic kernel. 
I guees rebuild of generic will be necessary, but i don't know, what is
source of problems. Already spent whole day trying different BIOS
settings, if it won't help.
I would really appreciate if someone could suggest where i could find
clue. Or even better, nobody tryied lightbok before?

Boot of ramdisk kernel: {{{1
==============================================================================
 OpenBSD 3.6 (RAMDISK_CD) ...  
 cpu0: VIASamuel 2 ( "CentaurHauls" 686-class) 799MHz
 cpu0: FPU,DE<TSC<MSR,MTRR,PGE,MMZ
 real mem = 25956756
 avail mem ...
 using 3194 buffers containing .... of memory
 mainbus0(root)
 bios0 at mainbus0: AT/286+(4b) BIOS, date 02/24/03, BIOS32 rev. 0 @ 0xfb500
 apm0 at bios0: Power Management spec V1.2
 pcibios0 at bios0: rev 2.1 @ 0xf0000/0xded4
 pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfde40/144 (7 entries)
 pcibios0: PCI exclusive IRQs: 10 11 12
 pcibios0: PCI Interrupt Router at 000:07:0 ("Via VT82C5596A ISA" rev 0x00)
 pcibios0: pcibios0:I bus #1 is the last bus
 bios0: ROM list: 0xc0000/0xc000 0xcc000/0x4000! 0xxd0000/0xa800 0xdb000/0xa800
 0xedc00/0x1e00
 cpu0 at mainbus0
 pci0 at mainbus0 bus 0: configuration mode 1 ( no bios )
 pchb0 at pci0 dev 0 function 0 "VIA VT8601 PCI" rev 0x05
 ppb0 at pci0 dev 1 function 0 "VIA VT82C601 AGP" rev 0x00
 pci1 at ppb0 bus 1
 vga1 at pci1 dev 0 function 0 "Trident CyberBlade i1" rev 0x6a
 wsdisplay0 at vga1: console (80x25, vt100 emulation)
 pcib0 at pci0 dev 7 function 0 "VIA VT82C685 ISA" rev 0x40
 pcib0 at pci0 dev 7 function 1 "VIA VT82C571 IDE" rev 0x06: ATA100, channel 0
 configured to compatibility, channel 1 configured to compatibility
 pciide0: channel 0 disabled ( no drives )
 wd0 at pciide0 channel 1 drive 0:<IC25N040ATMR04-0>
 wd0: 16-sector PIO, LBA48, 38154MB, 78140160 sectors
 wd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 5
 uhci0 at pci0 dev 7 function 2 "VIA VT83C572 USB" rev 0x1a: irq 11
 usb0 at uhci0: USB revision 1.0
 uhub0 at usb0
 uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub0: 2 ports with 2 removable, self powered
 uhci1 at pci0 dev 7 function 3 "VIA VT83C572 USB" rev 0x1a: irq 11
 usb1 at uhci1: USB revision 1.0
 uhub1 at usb1
 uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub1: 2 ports with 2 removable, self powered
 "VIA VT82C686 SMBus" rev 0x40 at pci0 dev 7 function 4 not configured
 rl0 at pci0 dev 8 function 0 "Realtek 8139" rev 0x10: irq 12 address ...
 rlphy0 at rl0 phy 0: RTL internal PHY
 rl1...
 rl2...
 isa0 at pcib0
 isadma0 at isa0
 pckbd0 at isa0 port 0x60/5
 pckbd0 at pckbc0 ( kbd slot)
 wskbd0 at pckbd0: console keyboard, using wsdisplay0
 npx0 at isa0 port 0xf0/16: using exception 16
 pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
 pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
 fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
 biomask ebe5 netmask ffe5 ttymask ffe7
 rd0: fixed, 3560 blocks
 root on rd0a
 rootdev=0x1100 rr00tdev=0x2f00 rawdev=0x2f02
#

Boot of generic, not successful: {{{1
==============================================================================

when booting kernel bsd, i can unfortunately see only the last page :).
.........
 pckbd0 at isa0 port 0x60/5
 pckbd0 at pckbc0 ( kbd slot)
 pckbd0: using irq 1 for kbd slot 
 wskbd0 at pckbd0: console keyboard, using wsdisplay0
 pcppi0 at isa0 port 0x61
 midi0 at pcppi0: <PC speaker>
 sysbeep0 at pcppi0
 --------STOP---------

Thanks you very much :)

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