On Wed, 15 Jan 2003, Matt Thomas wrote:
> Subject: ThinkPad 820
> 
> I got my ThinkPad 820 to boot (from floppy) using a serial console.
> 
> The good news is that the onboard siop is working.  But there's bad
> news too.  After a bit of time, the system stops responding to
> (some) interrupts and everything other the console stops responding
> and gets device timeouts.

Why the serial console? I've not used one since my VAX days. I have an 820 
here I've been unable to boot with any BSD or Linux disks. Where did you 
find the information oh how to do it? Or was it just several hours of 
determined hacking?

> 
> [ using 205188 bytes of netbsd ELF symbol table ]
> Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
>      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 1.6L (TP820) #0: Wed Jan 15 01:03:19 PST 2003
>      matt@tbird.local:/u1/prep/kobj/TP820
> Model: IBM PPS Model 6040 (E)
> total memory = 49152 KB
> avail memory = 40328 KB
> using 640 buffers containing 2560 KB of memory
> mainbus0 (root)
> cpu0 at mainbus0: 603e (Revision 1.4), ID 0 (primary)
> cpu0: HID0 90c000<DOZE,DPM,ICE,DCE>
> extent_alloc(0xd0016fe0, 65536, 4) returned 35
> extent `pciio' (0x8000 - 0xffff), flags = 0x0
> pci0 at mainbus0 bus 0: indirect configuration space access
> pci0: i/o space, memory space enabled
> pchb0 at pci0 dev 0 function 0
> pchb0: IBM product 0x0015 (rev. 0x04)
> pcib0 at pci0 dev 11 function 0
> pcib0: PIRQ[0]=15 PIRQ[1]=15
> pcib0: Intel 82378ZB System I/O (SIO) (rev. 0x03)
> siop0 at pci0 dev 12 function 0: Symbios Logic 53c810 (fast scsi)
> siop0: interrupting at irq 13
> scsibus0 at siop0: 8 targets, 8 luns per target
> Western Digital 90C (VGA display, revision 0x03) at pci0 dev 14 function 0 
> not configured
> IBM product 0x001c (undefined subclass 0x80, revision 0x02) at pci0 dev 15 
> function 0 not configured
> ASCII Corporation product 0x7310 (video multimedia, revision 0x01) at pci0 
> dev 16 function 0 not configured
> isa0 at pcib0
> com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
> com0: console
> pckbc0 at isa0 port 0x60-0x64
> pckbd0 at pckbc0 (kbd slot)
> pckbc0: using irq 1 for kbd slot
> wskbd0 at pckbd0 mux 1
> pms0 at pckbc0 (aux slot)
> pckbc0: using irq 12 for aux slot
> wsmouse0 at pms0 mux 0
> lpt0 at isa0 port 0x3bc-0x3bf irq 7
> pcppi0 at isa0 port 0x61
> midi0 at pcppi0: PC speaker
> spkr0 at pcppi0
> isabeep0 at pcppi0
> isapnp0 at isa0 port 0x279: ISA Plug 'n Play device support
> mcclock0 at isa0 port 0x70-0x71: mc146818 or compatible
> fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
> fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
> pcic0 at isa0 port 0x3e0-0x3e1 iomem 0xd0000-0xdffff irq
> pcic0: controller 0 (Intel 82365SL Revision 1) has sockets A and B
> pcic0: controller 1 (Unknown controller) has no sockets
> pcmcia0 at pcic0 controller 0 socket 0
> pcmcia1 at pcic0 controller 0 socket 1
> isapnp0: no ISA Plug 'n Play devices found
> biomask 2040 netmask 2040 ttymask 30c2
> pcic0: controller 0 detecting irqs with mask 0x4a00:..9..11
> pcic0: using irq 9 for socket events
> scsibus0: waiting 2 seconds for devices to settle...
> pcmcia0: CIS checksum failed
> pcmcia0: CIS version PCMCIA 2.0 or 2.1
> pcmcia0: CIS info: IBM Corp., Ethernet, 0934214, PC-NIC ENCC 990010759-001A
> pcmcia0: Manufacturer code 0xa4, product 0x2
> pcmcia0: function 0: network adapter, ccr addr 20000 mask b
> pcmcia0: function 0, config table entry 1: I/O card; irq mask ffff; iomask 
> 5, iospace 0-1f; memspace 11000-14fff; mwait_required io16 irqpulse irqlevel
> ne0 at pcmcia0 function 0 port 0x300-0x30f port 0x310-0x31f
> ne0: IBM InfoMover Ethernet
> ne0: Ethernet address 00:04:ac:d5:33:15
> cd0 at scsibus0 target 3 lun 0: <IBM, CDRM00204     !G, 1.0F> cdrom removable
> cd0: async, 8-bit transfers
> sd0 at scsibus0 target 6 lun 0: <IBM, DVAS-2810, S1C0> disk fixed
> sd0: 773 MB, 2770 cyl, 6 head, 95 sec, 512 bytes/sect x 1583568 sectors
> sd0: sync (100.0ns offset 8), 8-bit (10.000MB/s) transfers
> boot device: <unknown>
> root device: ne0
> dump device:
> file system (default generic):
> root on ne0
> nfs_boot: trying DHCP/BOOTP
> pcmcia0: card irq 11
> nfs_boot: DHCP next-server: 192.168.7.52
> nfs_boot: my_domain=local
> nfs_boot: my_addr=192.168.7.22
> nfs_boot: my_mask=255.255.255.0
> nfs_boot: gateway=192.168.7.52
> root on netra2:/clients/preppy/root
> 
> -- 
> Matt Thomas               Internet:   matt@3am-software.com
> 3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt/
> Cupertino, CA             Disclaimer: I avow all knowledge of this message
> 


#  John Bleichert 
#  http://vonbek.dhs.org/latest.jpg