diff options
author | Ian Darwin <ian@cvs.openbsd.org> | 2007-06-11 18:58:17 +0000 |
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committer | Ian Darwin <ian@cvs.openbsd.org> | 2007-06-11 18:58:17 +0000 |
commit | 06feed1a3f915afb22060efaefb5c737e17c6d8a (patch) | |
tree | e8dacc1e47041a119688ec2e5d147d54a991f4af /distrib/notes/armish/prep | |
parent | 7ea57804f87d9394941d6378d262a0cefcaf6008 (diff) |
Ascii Art from jsg and a typo from jmc.
Diffstat (limited to 'distrib/notes/armish/prep')
-rw-r--r-- | distrib/notes/armish/prep | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/distrib/notes/armish/prep b/distrib/notes/armish/prep index 8e5a87e4d41..6c14881ad8a 100644 --- a/distrib/notes/armish/prep +++ b/distrib/notes/armish/prep @@ -1,4 +1,4 @@ -dnl $OpenBSD: prep,v 1.7 2007/06/11 16:34:45 ian Exp $ +dnl $OpenBSD: prep,v 1.8 2007/06/11 18:58:16 ian Exp $ To be able to boot the OpenBSD/MACHINE installation program, you will need to acquire some limited knowledge of RedBoot, the low-level process that controls the microprocessor after hardware initialization. @@ -11,7 +11,7 @@ The Thecus N2100 needs a serial cable. There is either a 10-pin header (with one pin removed) on the back of the disk circuit board, or 9 holes for you to solder in your own header. The ribbon cable that connects from there to your serial cable or the serial port on -your computer is of the same type as used on older i386 PC's, but +your computer is of the same type as used on older i386 PCs, but be aware that there are two different types of 10-pin IDC to DB-9M ribbon cable in use, which look identical (the differences are hidden inside the DB-9 connector). The cable you need is wired using the @@ -19,6 +19,13 @@ inside the DB-9 connector). The cable you need is wired using the http://www.pccables.com/07120.htm and not the more straightforward to solder "crossed" type: http://www.pccables.com/07121.htm. +If you wish to check a cable, or make your own, the pinouts are: +DB9 IDC10 +=== ===== +1 2 3 4 5 1 3 5 7 9 + 6 7 8 9 2 4 6 8 10 + +Wire pin 1 to 1, 2 to 2 etc, with 10 not connected. On the Thecus N2100, it is necessary to move jumper J3 to J4 to properly route the serial port interrupt to allow serial to work under OpenBSD. |