some more fixes on the unisys article

1 files changed, 21 insertions, 16 deletions

diff --git a/content/blog/retro-computing-unisys.md b/content/blog/retro-computing-unisys.md
index 5e342a2..8f697c5 100644
--- a/content/blog/retro-computing-unisys.md
+++ b/content/blog/retro-computing-unisys.md
@@ -15,39 +15,43 @@ The Unisys CWD-4002 came as a i486 DX/2, 66 MHz, 16 MB RAM and a 512 MB hard dri
 And fits under my monitor, together with a Aten KVM switch and an Alix 1.E
 minicomputer:
 
-{{< figure src="/images/blog/retro-computing-unisys/unisys-CDW-4002-backside.jpg" title="Backside view" >}}
+{{< figure src="/images/blog/retro-computing-unisys/unisys-CDW-4002-backside.jpg" alt="Backside view" >}}
 
-Ok, I increased the memory to a wooping 32 MB. And I bought an 
-IDE/SD-adapter as the 512 MB hard disk is not enough for a basic installation
-of Archlinux32 and I don't know how long the hard disk would work anyway.
-And old hard disks are really noisy.
+Ok, I increased the memory to a whooping 32 MB. And I bought an 
+IDE-to-SD-adapter as the 512 MB hard disk is not enough for a basic installation
+of Archlinux32 and I don't know how long the hard disk would work anyway:
 
-It contains an 8 GB SD card, I'm still wondering how many GBs the BIOS can
-swallow. At least booting from within the first 2 GB with LBA adressing
-seems to work:
+{{< figure src="/images/blog/retro-computing-unisys/unisys-CDW-4002-sd-ide.jpg" alt="SD card in a SD/IDE-adapter" >}}
 
-{{< figure src="/images/blog/retro-computing-unisys/unisys-CDW-4002-sd-ide.jpg" title="SD card in a SD/IDE-adapter" >}}
+And old hard disks are generally really noisy.
+
+The SD-adapter contains an 8 GB SD card, I'm still wondering how many GBs the BIOS can
+swallow. At least booting from within the first 512 MB over a Grub on DOS
+seems to work. Also due to the 2 GB limit on LBA in the BIOS I fear some
+old operating systems can only access the first 2 GB. With a Linux I may
+be able to use the disk space above 2 GB.
 
 The motherboard is a "486-DBA", First International Computer. It's quite
-a neat design enough room to add an IDE raiser for one small ISA card:
+a neat design, enough room to add an IDE raiser for one small ISA card:
 
-{{< figure src="/images/blog/retro-computing-unisys/unisys-CDW-4002-inside.jpg" title="Inside the CDW-4002" >}}
+{{< figure src="/images/blog/retro-computing-unisys/unisys-CDW-4002-inside.jpg" alt="Inside the CDW-4002" >}}
 
 On the back size there is a paper attached which tells about all
 the jumpers you can play with:
  
-{{< figure src="/images/blog/retro-computing-unisys/unisys-CDW-4002-schematics.jpg" title="Schematics of the board" >}}
+{{< figure src="/images/blog/retro-computing-unisys/unisys-CDW-4002-schematics.jpg" alt="Schematics of the board" >}}
 
-There is a built-in network card (NE2000 compatible, an Accton/UNISYS UK0022).
+There is a built-in network card (NE2000 compatible, an Accton/UNISYS UK0022,
+the chips says on the outside).
 
 The graphic card is a Cirrus Logic GD5424 which is pretty standard.
 
-I had to put in a sound card, the box has a quite unique ISA-riser design
+I also put in a sound card, the box has quite an unique ISA-riser design
 and due to it's size you have to use a later model of an ISA 16-bit 
 sound blaster which is small enough to fit. I went with a 
 Creative Sound Blaster Vibra 16XV CT4170:
 
-{{< figure src="/images/blog/retro-computing-unisys/unisys-CDW-4002-soundcard.jpg" title="ISA 16-bit sound card, CT4710" >}}
+{{< figure src="/images/blog/retro-computing-unisys/unisys-CDW-4002-soundcard.jpg" alt="ISA 16-bit sound card, CT4710" >}}
 
 Instead of repeating all information I found, I have made a list of
 interesting videos, globs, articles, forums and download locations.
@@ -97,7 +101,7 @@ series on Youtube by Andres Ramos.
 I want to be able to boot a modern Linux kernel and distribution on
 it. Currently I'm working on a "port" of [Archlinux32](http://www.archlinux32.org)
 to the i486 architecture using the [crosstool-ng](https://crosstool-ng.github.io/)
-toolchain.
+toolchain (see [bootstrap32](https://github.com/archlinux32/bootstrap32)).
 
 The installation process has to be something over iPXE, as a 1.44MB floppy
 really doesn't hold a kernel 4.15.x anymore. iPXE itself will need some
@@ -117,6 +121,7 @@ patching for i486 too.
 * [8 bit museum](http://museo8bits.com/wiki/index.php/Unisys_CDW5001): Though it's about the Pentium based successor, it's worth a look
 * [French blog](http://www.win3x.org/win3board/viewtopic.php?t=20276)
 * [Windows 3.11 software installation](http://stephan.win31.de/w31mm_d1.htm): in German
+* http://blarg.ca/mini-486-pc/
 
 ### Hardware