docs/mb: update hp/compaq_elite_8300_usdt docs

- Internal flashing possible
- Fix link
- Link here from the list of mainboards
- More consistent naming

Change-Id: Iaf6448c1e9f0dae9480fa9785a12f09d42f8cf7d
Signed-off-by: Riku Viitanen <riku.viitanen@protonmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77377
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

Documentation/mainboard/hp/compaq_8300_usdt.md

@@ -1,6 +1,6 @@
-# HP Compaq 8300 Elite USDT
+# HP Compaq Elite 8300 USDT
 
-This page describes how to run coreboot on the [Compaq 8300 Elite USDT] desktop
+This page describes how to run coreboot on the [Compaq Elite 8300 USDT] desktop
 from [HP].
 
 ## Flashing coreboot
@@ -27,9 +27,8 @@ from [HP].
 
 ### Internal programming
 
-TODO: investigate
-
-The board has two jumpers that might be relevant: FDO (Flash Descriptor Override) and BB (?).
+Internal programming is possible. Shorting the Flash Descriptor Override
+(FDO) jumper bypasses all write protections.
 
 ### External programming
 
@@ -62,5 +61,5 @@ Wake on LAN is active works great.
 This board has a Nuvoton NPCD379 SuperIO chip. Fan speed and PS/2 keyboard work
 fine using coreboot's existing code for :doc:`../../superio/nuvoton/npcd378`.
 
-[Compaq 8300 USDT]: https://support.hp.com/gb-en/product/hp-compaq-elite-8300-ultra-slim-pc/5232866
+[Compaq Elite 8300 USDT]: https://support.hp.com/gb-en/product/hp-compaq-elite-8300-ultra-slim-pc/5232866
 [HP]: https://www.hp.com/

Documentation/mainboard/index.md

@@ -75,6 +75,7 @@ The boards in this section are not real mainboards, but emulators.
 ## HP
 
 - [Compaq 8200 Elite SFF](hp/compaq_8200_sff.md)
+- [Compaq Elite 8300 USDT](hp/compaq_8300_usdt.md)
 - [Z220 Workstation SFF](hp/z220_sff.md)
 
 ### EliteBook series