diff --git a/README.md b/README.md
index dc4986c..6505958 100644
--- a/README.md
+++ b/README.md
@@ -47,11 +47,27 @@ The board was designed with [KiCad](https://kicad.org/) EDA.
 | Q1                     |  1  | 2N3096 TO-92                                            |                                                                      |
 | C1, C9                 |  2  | 22uF/16V+ 2.5mm electrolytic capacitor                  |                                                                      |
 | C2 - C8                |  7  | 100bF/25V+ 5.0mm ceramic caps                           |                                                                      |
-
+| J5, J6                 |  2  | 2x10 2.54mm pin header, right angle                     |                                                                      |
+| J2, J3                 |  2  | 2x8 2.54mm pin header, straight                         |                                                                      |
+| J1, J4                 |  2  | 1x2 2.54mm pin header, straight                         |                                                                      |
+| R1, R6                 |  2  | 10K ohm, 1/4W resistor                                  |                                                                      |
+| R2                     |  1  | 560 ohm, 1/4W resistor                                  |                                                                      |
+| R3, R4                 |  2  | 2.7K ohm, 1/4W resistor                                 |                                                                      |
+| R5                     |  1  | 47K ohm, 1/4W resistor                                  |                                                                      |
+| R9                     |  1  | 3K ohm, 1/4W resistor                                   |                                                                      | 
 
 #### The ROMs
 
-**TODO**
+The ROMs have the first 8 address lines (A0-A7) connected to the bus, A8 is connected to a pull-down resistor and can be forced high using J1 for U3 and J4 for U8.
+All the remaining address lines are connected directly to VCC, which means that, following the proper pin alignment, EPROMS from 27C32 to 27C512 can be used.
+
+The original Disk II card used biproms 256 bytes in size, so the dumps needs to be properly concatenated before being used in this card.
+If you wish to use 27C512, you can find pre-made files in the `ROMs` directory (the files used in these are property of Apple).
+
+- U8 houses the content of the P6 ROM
+- U3 houses the content of the P5 ROM
+
+Using the premade files will have the 13-sector image loaded when jumpers on J1 and J4 are not installed, and the 16 sector image loaded when the jumpers are installed.
 
 ### Configuring the address