Editing Device numbers

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== Overview ==
== Overview ==
These are the device numbers of the "peripherals" connected to [[IOP/Deckard|IOP]].
 
=== DEV1 ===
=== DEV1 ===
The DVD player ROM (on SCPH-18000 and later). This is often physically a part of the same IC as the boot-ROM (DEV2).
The DVD player ROM (on SCPH-18000 and later). On all consoles except GH-003 based SCPH-18000 (which has an extra ROM for this installed on a daughterboard), this is physically part of the bootrom-IC.


=== DEV2 ===
=== DEV2 ===
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=== DEV3 ===
=== DEV3 ===
USB
???


=== DEV4 ===
=== DEV4 ===
[[SPU2]]
???


=== DEV5 ===
=== DEV5 ===
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=== DEV8 ===
=== DEV8 ===
 
???
Originally, the parallel port of the PS1. on the PS2 it is unused on retail models, but even the DECKARD emulator still has code for handling DEV8. [https://israpps.github.io/PPC-Monitor/docs/IOP_devquirck/Dev8_Exp2.html seems to be recycled for PowerPC UART]. On DTL-T models, the DRP interface (for debugging with DECI2) is connected.


=== DEV9 ===
=== DEV9 ===
[[DEV9C]], also known as SSBUS controller or HDD controller in official documentation. Typically connects to ([[SPEED]]).
[[SSBUS controller]] (on SCPH-3XXXX and up) or PCMCIA controller (on SCPH-1x000)
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