blob: 20b1b130523eff64baa6ae03f93550c33200af63 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
# Padmelon board
## Specs (with Merlin Falcon SOC)
* Two 260-pin DDR4 SO-DIMM slots, 1.2V DDR4-1333/1600/1866/2133 SO-DIMMs
Supports 4GB, 8GB and 16GB DDR4 unbuffered ECC (Merlin Falcon)SO-DIMMs
* Can use Prairie Falcon, Brown Falcon, Merlin Falcon, though coreboot
code is specific for Merlin Falcon SOC. Some specs will change if not
using Merlin Falcon.
* One half mini PCI-Express slot on back side of mainboard
* One PCI Express® 3.0 x8 slot
* Two SATA3 ports with 6Gb/s data transfer rate
* Two USB 2.0 ports at rear panel
* Two USB 3.0 ports at rear panel
* Dual Gigabit Ethernet from Realtek RTL8111F Gigabit controller
* 6-channel High-Definition audio from Realtek ALC662 codec
* One soldered down SPI flash with dediprog header
## Mainboard
![mainboard][padmelon]
Three items are marked in this picture
1. dediprog header
2. memory dimms, address 0xA0 and 0xA4
3. SATA cables connected to motherboard
## Back panel
![back panel][padmelon_io]
* The lower serial port is UART A (debug serial)
## Flashing coreboot
```eval_rst
+---------------------+--------------------+
| Type | Value |
+=====================+====================+
| Socketed flash | no |
+---------------------+--------------------+
| Model | Macronix MX256435E |
+---------------------+--------------------+
| Size | 8 MiB |
+---------------------+--------------------+
| Flash programing | dediprog header |
+---------------------+--------------------+
| Package | SOIC-8 |
+---------------------+--------------------+
| Write protection | No |
+---------------------+--------------------+
```
## Technology
```eval_rst
+---------------+------------------------------+
| Fan control | Using fintek F81803A |
+---------------+------------------------------+
| CPU | Merlin Falcon (see reference)|
+---------------+------------------------------+
```
## Description of pictures within this document
```eval_rst
+----------------------------+----------------------------------------+
|padmelon.jpg | Motherboard with components identified |
+----------------------------+----------------------------------------+
|padmelon_io.jpg | Back panel picture |
+----------------------------+----------------------------------------+
```
## Reference
[Merlin Falcon BKDG][merlinfalcon]
[merlinfalcon]: ../../../soc/amd/family15h.md
[padmelon]: padmelon.jpg
[padmelon_io]: padmelon_io.jpg
|
