Motherboards: Difference between revisions
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* Buggy DVD player (version 1.00) that allows region free (but 60 Hz only) playback using some trick as well as RGB-output during DVD-playback, which was disabled on later versions | * Buggy DVD player (version 1.00) that allows region free (but 60 Hz only) playback using some trick as well as RGB-output during DVD-playback, which was disabled on later versions | ||
* Later production models might come with an updated BIOS that blocks installation and startup of DVD player 1.00, as well as an updated [[MechaCon]], just like GH-003 does | * Later production models might come with an updated BIOS that blocks installation and startup of DVD player 1.00, as well as an updated [[MechaCon]], just like GH-003 does | ||
* Known sub-revisions: | |||
====GH-003==== | ====GH-003==== | ||
Line 25: | Line 26: | ||
* In SCPH-18000, DVD player is preinstalled | * In SCPH-18000, DVD player is preinstalled | ||
* Updated MechaCon for speedier tray opening/closing | * Updated MechaCon for speedier tray opening/closing | ||
* Known sub-revisions: | |||
====GH-004==== | ====GH-004==== | ||
Line 33: | Line 35: | ||
* US launch revision (together with GH-005) | * US launch revision (together with GH-005) | ||
* Has DVD-player preinstalled, just like every later board | * Has DVD-player preinstalled, just like every later board | ||
* Known sub-revisions: | |||
====GH-005==== | ====GH-005==== | ||
Line 41: | Line 44: | ||
* Has DVD-player preinstalled, just like every later board | * Has DVD-player preinstalled, just like every later board | ||
* Probably exists to make use of remaining first revision GS (CXD2934GB) stock | * Probably exists to make use of remaining first revision GS (CXD2934GB) stock | ||
* Known sub-revisions: | |||
====GH-006==== | ====GH-006==== | ||
Line 49: | Line 53: | ||
* European launch revision (together with GH-007) | * European launch revision (together with GH-007) | ||
* Completely interchangeable with GH-007 | * Completely interchangeable with GH-007 | ||
* Known sub-revisions: | |||
====GH-007==== | ====GH-007==== | ||
Line 58: | Line 63: | ||
* Completely interchangeable with GH-006 | * Completely interchangeable with GH-006 | ||
* Probably exists to make use of remaining first revision GS (CXD2934GB) stock | * Probably exists to make use of remaining first revision GS (CXD2934GB) stock | ||
* Known sub-revisions: | |||
====GH-008==== | ====GH-008==== | ||
Line 66: | Line 72: | ||
* First japanese version with built-in DVD player (besides later GH-003 boards that were also used in SCPH-18000 consoles at the same time) | * First japanese version with built-in DVD player (besides later GH-003 boards that were also used in SCPH-18000 consoles at the same time) | ||
* Uses B-chasssis components in an A-chassis form factor, hence the name | * Uses B-chasssis components in an A-chassis form factor, hence the name | ||
* Known sub-revisions: | |||
===GH-01X=== | ===GH-01X=== | ||
Line 74: | Line 81: | ||
* Models SCPH-30000, SCPH-30001, SCPH-30002, SCPH-30003 (serial prefix "B"), SCPH-35001, SCPH-35002, SCPH-35003, SCPH-35004, SCPH-35005 | * Models SCPH-30000, SCPH-30001, SCPH-30002, SCPH-30003 (serial prefix "B"), SCPH-35001, SCPH-35002, SCPH-35003, SCPH-35004, SCPH-35005 | ||
* Chassis D | * Chassis D | ||
* Known sub-revisions: | |||
====GH-012==== | ====GH-012==== | ||
Line 81: | Line 89: | ||
* Chassis D' | * Chassis D' | ||
* Probably exists to make use of remaining first revision GS (CXD2934GB) stock | * Probably exists to make use of remaining first revision GS (CXD2934GB) stock | ||
* Known sub-revisions: | |||
====GH-013==== | ====GH-013==== | ||
Line 87: | Line 96: | ||
* Models | * Models | ||
* Chassis D | * Chassis D | ||
* Known sub-revisions: | |||
====GH-014==== | ====GH-014==== | ||
Line 93: | Line 103: | ||
* Chassis D' | * Chassis D' | ||
* Probably exists to make use of remaining first revision GS (CXD2934GB) stock | * Probably exists to make use of remaining first revision GS (CXD2934GB) stock | ||
* Known sub-revisions: | |||
====GH-015==== | ====GH-015==== | ||
Line 101: | Line 112: | ||
* EEPROM + RTC integrated into single chip on some subrevivions of this board and on any later boards | * EEPROM + RTC integrated into single chip on some subrevivions of this board and on any later boards | ||
* New [[MechaCon]]-revision in BGA case (this is NOT the "Dragon" MechaCon used from GH-023 onwards) | * New [[MechaCon]]-revision in BGA case (this is NOT the "Dragon" MechaCon used from GH-023 onwards) | ||
* Known sub-revisions: | |||
====GH-016==== | ====GH-016==== | ||
Line 108: | Line 120: | ||
* Probably only used in japanese consoles | * Probably only used in japanese consoles | ||
* Apparently the last board to use the old GS (CXD2934GB) | * Apparently the last board to use the old GS (CXD2934GB) | ||
* Known sub-revisions: | |||
====GH-017==== | ====GH-017==== | ||
Line 114: | Line 127: | ||
* Chassis G | * Chassis G | ||
* SPU2's RAM is integrated into the SPU2 chip itself | * SPU2's RAM is integrated into the SPU2 chip itself | ||
* Known sub-revisions: | |||
====GH-019==== | ====GH-019==== | ||
Line 120: | Line 134: | ||
* Models SCPH-37000, SCPH-39000, SCPH-39001, SCPH-39002, SCPH-39003, SCPH-39004, SCPH-39006, SCPH-39007, SCPH-39008 | * Models SCPH-37000, SCPH-39000, SCPH-39001, SCPH-39002, SCPH-39003, SCPH-39004, SCPH-39006, SCPH-39007, SCPH-39008 | ||
* Chassis G | * Chassis G | ||
* Known sub-revisions: | |||
===GH-02X=== | ===GH-02X=== | ||
Line 128: | Line 143: | ||
* Models SCPH-37000, SCPH-39000, SCPH-39001, SCPH-39002, SCPH-39003, SCPH-39004, SCPH-39006, SCPH-39007, SCPH-39008 | * Models SCPH-37000, SCPH-39000, SCPH-39001, SCPH-39002, SCPH-39003, SCPH-39004, SCPH-39006, SCPH-39007, SCPH-39008 | ||
* Chassis G | * Chassis G | ||
* Known sub-revisions: | |||
====GH-023==== | ====GH-023==== | ||
Line 138: | Line 154: | ||
* New RF-amp/front-end-processor in drive electronics: Texas Instruments SP3727D | * New RF-amp/front-end-processor in drive electronics: Texas Instruments SP3727D | ||
* No iLink-port anymore | * No iLink-port anymore | ||
* Known sub-revisions: | |||
====GH-026==== | ====GH-026==== | ||
Line 145: | Line 162: | ||
* Chassis I | * Chassis I | ||
* SPU2 + SSBUS-Controller combined into single chip (CXD2955R) | * SPU2 + SSBUS-Controller combined into single chip (CXD2955R) | ||
* Known sub-revisions: | |||
====GH-027==== | ====GH-027==== | ||
Line 150: | Line 168: | ||
* Models | * Models | ||
* Chassis J (unconfirmed) | * Chassis J (unconfirmed) | ||
* Known sub-revisions: | |||
====GH-029==== | ====GH-029==== | ||
Line 156: | Line 175: | ||
* Chassis J | * Chassis J | ||
* Uses SP3751A RF-amp/front-end-processor for the laser in the drive electronics, just like every slim PS2 until including GH-052 does, probably to support the PVR-702W laser that is exclusively used in J-chassis consoles | * Uses SP3751A RF-amp/front-end-processor for the laser in the drive electronics, just like every slim PS2 until including GH-052 does, probably to support the PVR-702W laser that is exclusively used in J-chassis consoles | ||
* Known sub-revisions: | |||
==Playstation 2 Slim Motherboard Models== | ==Playstation 2 Slim Motherboard Models== | ||
Line 166: | Line 186: | ||
* Models | * Models | ||
* Chassis K | * Chassis K | ||
* Known sub-revisions: | |||
====GH-035==== | ====GH-035==== | ||
Line 172: | Line 193: | ||
* Models | * Models | ||
* Chassis K | * Chassis K | ||
* Known sub-revisions: | |||
====GH-036==== | ====GH-036==== | ||
Line 179: | Line 201: | ||
* Introduces new PPC 405 based IOP with external 4MB DDR-SDRAM, which emulates functions of the old MIPS-based IOP as well as [[SPEED]]; has some compatibility issues | * Introduces new PPC 405 based IOP with external 4MB DDR-SDRAM, which emulates functions of the old MIPS-based IOP as well as [[SPEED]]; has some compatibility issues | ||
* As the functions of SPEED were integrated into the IOP, having an SSBUS-controller became obsolete, thus the combined SSBUS-Controller + SPU2 chip (CXD2955R) that was introduced with GH-026 got "downgraded" to the older SPU2 (+SPU2 RAM) chip (CXD2947R), that was introduced way back with GH-017 | * As the functions of SPEED were integrated into the IOP, having an SSBUS-controller became obsolete, thus the combined SSBUS-Controller + SPU2 chip (CXD2955R) that was introduced with GH-026 got "downgraded" to the older SPU2 (+SPU2 RAM) chip (CXD2947R), that was introduced way back with GH-017 | ||
* Known sub-revisions: | |||
====GH-037==== | ====GH-037==== | ||
Line 184: | Line 207: | ||
* Models | * Models | ||
* Chassis L | * Chassis L | ||
* Known sub-revisions: | |||
===GH-04X=== | ===GH-04X=== | ||
Line 191: | Line 215: | ||
* Models | * Models | ||
* Chassis L | * Chassis L | ||
* Known sub-revisions: | |||
====GH-041==== | ====GH-041==== | ||
Line 196: | Line 221: | ||
* Models | * Models | ||
* Chassis L | * Chassis L | ||
* Known sub-revisions: | |||
===GH-05X=== | ===GH-05X=== | ||
Line 204: | Line 230: | ||
* Models | * Models | ||
* Chassis M | * Chassis M | ||
* Known sub-revisions: | |||
====GH-052==== | ====GH-052==== | ||
Line 210: | Line 237: | ||
* Models | * Models | ||
* Chassis M | * Chassis M | ||
* Known sub-revisions: | |||
===GH-06X=== | ===GH-06X=== | ||
Line 218: | Line 246: | ||
* Models | * Models | ||
* Chassis N | * Chassis N | ||
* Known sub-revisions: | |||
====GH-062==== | ====GH-062==== | ||
Line 224: | Line 253: | ||
* Models SCPH-79001A | * Models SCPH-79001A | ||
* Chassis N | * Chassis N | ||
* Known sub-revisions: | |||
===GH-07X=== | ===GH-07X=== | ||
Line 231: | Line 261: | ||
* Models SCPH-9000? | * Models SCPH-9000? | ||
* Chassis P | * Chassis P | ||
* Known sub-revisions: | |||
====GH-071==== | ====GH-071==== | ||
Line 237: | Line 268: | ||
* Models SCPH-90001, SCPH-90002, SCPH-90003, SCPH-90004, SCPH-90005, SCPH-90006, SCPH-90007, SCPH-90008, SCPH-90009, SCPH-90010 | * Models SCPH-90001, SCPH-90002, SCPH-90003, SCPH-90004, SCPH-90005, SCPH-90006, SCPH-90007, SCPH-90008, SCPH-90009, SCPH-90010 | ||
* Chassis R | * Chassis R | ||
* Known sub-revisions: | |||
====GH-072==== | ====GH-072==== | ||
Line 244: | Line 276: | ||
* Chassis R | * Chassis R | ||
* Some changes to make the smaller EMI shield fit | * Some changes to make the smaller EMI shield fit | ||
* Known sub-revisions: | |||
==PSX Motherboard Models== | ==PSX Motherboard Models== | ||
Line 253: | Line 286: | ||
* Chassis X | * Chassis X | ||
* Both PSX motherboards have a total of 72 MB RDRAM, unlike normal PS2s' 32 MB | * Both PSX motherboards have a total of 72 MB RDRAM, unlike normal PS2s' 32 MB | ||
* Known sub-revisions: | |||
===XPD-005=== | ===XPD-005=== | ||
Line 267: | Line 301: | ||
** Some XPD-005 consoles have a small pcb (XDI-002) with few components soldered with two wires directly to the motherboard | ** Some XPD-005 consoles have a small pcb (XDI-002) with few components soldered with two wires directly to the motherboard | ||
* This board also contains 2 LEDs connected to [[DVRP]] which are invisible from the outside but light up when the console is powered on. It is not known what is indicated by these LEDs. | * This board also contains 2 LEDs connected to [[DVRP]] which are invisible from the outside but light up when the console is powered on. It is not known what is indicated by these LEDs. | ||
* Known sub-revisions: |
Revision as of 02:55, 24 April 2022
Most motherboards have several sub-revisions that are not listed separately. On fat motherboards, the subrevision is denoted by the number after the last hyphen in the item No. On slim motherboards, it is written after the board number (e.g. GH-032-11).
Playstation 2 Fat Motherboard Models
GH-00X
GH-001
<imgur w=240>z85vXfx.jpg</imgur> <imgur w=240>E2TVwAh.jpg</imgur> <imgur w=240>urby5mH.jpg</imgur>
- Year 2000
- Models SCPH-10000
- Chassis A
- Japanese launch revision
- Has a green solder mask, which is unique among PS2 consoles
- Incomplete BIOS (no DVD player); DVD player can be installed onto a memory card using an update disc
- Buggy DVD player (version 1.00) that allows region free (but 60 Hz only) playback using some trick as well as RGB-output during DVD-playback, which was disabled on later versions
- Later production models might come with an updated BIOS that blocks installation and startup of DVD player 1.00, as well as an updated MechaCon, just like GH-003 does
- Known sub-revisions:
GH-003
<imgur w=240>FXJNbos.png</imgur> <imgur w=240>RubTLd4.png</imgur>
- Year 2000
- Models SCPH-15000, SCPH-18000 (besides GH-008)
- Chassis A (in SCPH-15000), A+ (in SCPH-18000)
- First board to use a blue solder mask, as do all later boards
- In SCPH-15000, DVD player still needs to be installed first (in a newer, partially fixed version, that seemingly can also be used on SCPH-10000), but BIOS disallows use of the buggy version 1.00
- In SCPH-18000, DVD player is preinstalled
- Updated MechaCon for speedier tray opening/closing
- Known sub-revisions:
GH-004
<imgur w=240>ZpSFKpc.jpg</imgur>
- Year 2000
- Models SCPH-30001
- Chassis B
- US launch revision (together with GH-005)
- Has DVD-player preinstalled, just like every later board
- Known sub-revisions:
GH-005
- Year 2000
- Models SCPH-30001
- Chassis B'
- US launch revision (together with GH-004)
- Has DVD-player preinstalled, just like every later board
- Probably exists to make use of remaining first revision GS (CXD2934GB) stock
- Known sub-revisions:
GH-006
<imgur w="240">zVzhizW.jpeg</imgur> <imgur w="240">ks1y4Hc.jpg</imgur>
- Year 2000 - 2001
- Models SCPH-30001, SCPH-30002, SCPH-30004
- Chassis C
- European launch revision (together with GH-007)
- Completely interchangeable with GH-007
- Known sub-revisions:
GH-007
<imgur w="240">c8rkdJj.jpg</imgur> <imgur w="240">ZcNo78l.jpg</imgur>
- Year 2000 - 2001
- Models SCPH-30002, SCPH-30003, SCPH-30004
- Chassis C'
- European launch revision (together with GH-006)
- Completely interchangeable with GH-006
- Probably exists to make use of remaining first revision GS (CXD2934GB) stock
- Known sub-revisions:
GH-008
<imgur w=240>ea2pptK.jpg</imgur> <imgur w=240>YePkZrZ.jpg</imgur>
- Year 2000-2001
- Models SCPH-18000
- Chassis AB
- First japanese version with built-in DVD player (besides later GH-003 boards that were also used in SCPH-18000 consoles at the same time)
- Uses B-chasssis components in an A-chassis form factor, hence the name
- Known sub-revisions:
GH-01X
GH-010
<imgur w="240">jO0KcqI.jpg</imgur> <imgur w="240">RwtChea.jpg</imgur>
- Year
- Models SCPH-30000, SCPH-30001, SCPH-30002, SCPH-30003 (serial prefix "B"), SCPH-35001, SCPH-35002, SCPH-35003, SCPH-35004, SCPH-35005
- Chassis D
- Known sub-revisions:
GH-012
<imgur w="240">AbFlV57.jpg</imgur>
- Year
- Models
- Chassis D'
- Probably exists to make use of remaining first revision GS (CXD2934GB) stock
- Known sub-revisions:
GH-013
<imgur w=240>pQRz6sR.jpg</imgur> <imgur w=240>o0htkkn.jpg</imgur>
- Year
- Models
- Chassis D
- Known sub-revisions:
GH-014
- Year
- Models
- Chassis D'
- Probably exists to make use of remaining first revision GS (CXD2934GB) stock
- Known sub-revisions:
GH-015
<imgur w="240">IGiUnLZ.jpg</imgur> <imgur w="240">fBQ45MM.jpg</imgur>
- Year
- Models SCPH-30000R, SCPH-30001R, SCPH-30002R, SCPH-30003R, SCPH-30004R, SCPH-30005R, SCPH-30006R
- Chassis F
- EEPROM + RTC integrated into single chip on some subrevivions of this board and on any later boards
- New MechaCon-revision in BGA case (this is NOT the "Dragon" MechaCon used from GH-023 onwards)
- Known sub-revisions:
GH-016
- Year
- Models SCPH-30000
- Chassis D (apparently, Sony started designing this board after the F-chassis board GH-015)
- Probably only used in japanese consoles
- Apparently the last board to use the old GS (CXD2934GB)
- Known sub-revisions:
GH-017
- Year
- Models
- Chassis G
- SPU2's RAM is integrated into the SPU2 chip itself
- Known sub-revisions:
GH-019
<imgur w="240">Fj7rsfX.jpg</imgur> <imgur w="240">LY22uCZ.jpg</imgur>
- Year
- Models SCPH-37000, SCPH-39000, SCPH-39001, SCPH-39002, SCPH-39003, SCPH-39004, SCPH-39006, SCPH-39007, SCPH-39008
- Chassis G
- Known sub-revisions:
GH-02X
GH-022
<imgur w=240>ELet6nU.jpeg</imgur> <imgur w=240>9RuRQuE.jpeg</imgur>
- Year
- Models SCPH-37000, SCPH-39000, SCPH-39001, SCPH-39002, SCPH-39003, SCPH-39004, SCPH-39006, SCPH-39007, SCPH-39008
- Chassis G
- Known sub-revisions:
GH-023
<imgur w=240>ebpNieG.jpg</imgur> <imgur w=240>rJb6oXB.jpg</imgur>
- Year
- Models SCPH-50000, SCPH-50001, SCPH-50002, SCPH-50003, SCPH-50004, SCPH-50005, SCPH-50006, SCPH-50007, SCPH-55000
- Chassis H
- This board and every later board comes with the newer ARM-based "Dragon" MechaCon, which also takes over the functions of SysCon as well as EEPROM and RTC
- This board and every later fat board uses different driver ICs (LA6508 and LB11971) for the drive electronics; the LA6508 is known for dying/shorting and sometimes additionaly killing the laser with it
- New RF-amp/front-end-processor in drive electronics: Texas Instruments SP3727D
- No iLink-port anymore
- Known sub-revisions:
GH-026
<imgur w=240>w7aerrf.jpeg</imgur> <imgur w=240>AXDATsf.jpeg</imgur>
- Year
- Models SCPH-50000, SCPH-50001, SCPH-50002, SCPH-50003, SCPH-50004, SCPH-50005, SCPH-50006, SCPH-50007
- Chassis I
- SPU2 + SSBUS-Controller combined into single chip (CXD2955R)
- Known sub-revisions:
GH-027
- Year
- Models
- Chassis J (unconfirmed)
- Known sub-revisions:
GH-029
- Year 2004
- Models
- Chassis J
- Uses SP3751A RF-amp/front-end-processor for the laser in the drive electronics, just like every slim PS2 until including GH-052 does, probably to support the PVR-702W laser that is exclusively used in J-chassis consoles
- Known sub-revisions:
Playstation 2 Slim Motherboard Models
GH-03X
GH-032
<imgur w=240>58AsNqU.jpg</imgur> <imgur w=240>TYPdcmA.jpg</imgur>
- Year
- Models
- Chassis K
- Known sub-revisions:
GH-035
<imgur w=240>rav8ZM6.jpeg</imgur> <imgur w=240>Gzr9zjB.jpeg</imgur>
- Year
- Models
- Chassis K
- Known sub-revisions:
GH-036
- Year
- Models
- Chassis L
- Introduces new PPC 405 based IOP with external 4MB DDR-SDRAM, which emulates functions of the old MIPS-based IOP as well as SPEED; has some compatibility issues
- As the functions of SPEED were integrated into the IOP, having an SSBUS-controller became obsolete, thus the combined SSBUS-Controller + SPU2 chip (CXD2955R) that was introduced with GH-026 got "downgraded" to the older SPU2 (+SPU2 RAM) chip (CXD2947R), that was introduced way back with GH-017
- Known sub-revisions:
GH-037
- Year
- Models
- Chassis L
- Known sub-revisions:
GH-04X
GH-040
- Year
- Models
- Chassis L
- Known sub-revisions:
GH-041
- Year
- Models
- Chassis L
- Known sub-revisions:
GH-05X
GH-051
<imgur w=240>PRF6Jbh.jpg</imgur> <imgur w=240>eDIy07T.jpg</imgur> <imgur w=240>aXn42xW.jpg</imgur> <imgur w=240>yC5XQuG.jpg</imgur> <imgur w=240>gwAqxOx.jpg</imgur>
- Year
- Models
- Chassis M
- Known sub-revisions:
GH-052
<imgur w=240>Ks7hDsB.jpg</imgur> <imgur w=240>glwUmS7.jpg</imgur>
- Year
- Models
- Chassis M
- Known sub-revisions:
GH-06X
GH-061
<imgur w="240">J1Rfx7W.jpg</imgur> <imgur w="240">P6u8weG.jpg</imgur>
- Year
- Models
- Chassis N
- Known sub-revisions:
GH-062
<imgur w=240>s16LYKu.jpg</imgur>
- Year
- Models SCPH-79001A
- Chassis N
- Known sub-revisions:
GH-07X
GH-070
- Year
- Models SCPH-9000?
- Chassis P
- Known sub-revisions:
GH-071
<imgur w=240>KUZRVhp.jpg</imgur>
- Year 2007-2008
- Models SCPH-90001, SCPH-90002, SCPH-90003, SCPH-90004, SCPH-90005, SCPH-90006, SCPH-90007, SCPH-90008, SCPH-90009, SCPH-90010
- Chassis R
- Known sub-revisions:
GH-072
<imgur w=240>6ECnHjX.jpg</imgur>
- Year 2008-2012
- Models SCPH-90001, SCPH-90002, SCPH-90003, SCPH-90004, SCPH-90005, SCPH-90006, SCPH-90007, SCPH-90008, SCPH-90009, SCPH-90010, BRAVIA KDL22PX300 (with different ROM from normal PAL boards, otherwise identical)
- Chassis R
- Some changes to make the smaller EMI shield fit
- Known sub-revisions:
PSX Motherboard Models
XPD-001
<imgur w=240>3VI7Zy4.jpg</imgur> <imgur w=240>XYRnjjJ.jpg</imgur>
- Year 2003 - 2004
- Models DESR-5000, DESR-7000, DESR-5100, DESR-5100S, DESR-7100
- Chassis X
- Both PSX motherboards have a total of 72 MB RDRAM, unlike normal PS2s' 32 MB
- Known sub-revisions:
XPD-005
<imgur w=240>UMfHEc5.jpeg</imgur> <imgur w=240>sMEPKhk.jpg</imgur> <imgur w=100>N2KbF4f.jpg</imgur> <imgur w=100>GKSod5P.jpg</imgur>
- Year 2004 - 2005
- Models DESR-5500, DESR-7500, DESR-5700, DESR-7700
- Chassis X
- Both PSX motherboards have a total of 72 MB RDRAM, unlike normal PS2s' 32 MB
- Unlike XPD-001, this board has several daughter boards:
- One large daughter board (XRC-005) with analog video interfaces as well as the Ethernet transceiver
- One smaller daughter board (XCP-005) with the SPEED chip, an unknown Pioneer chip (PE7003D) and an Altera FPGA (with its ROM and a programming header)
- A similarily named Pioneer chip (PE7005A) is found in some Pioneer DVR (DVR-920H-S), where it is labelled as an I/O expander in the service manual
- DESR-7500 and DESR-7700 also have an additional third daugher board on the opposite side of the main board, which contains the iLink-interface controller
- Some XPD-005 consoles have a small pcb (XDI-002) with few components soldered with two wires directly to the motherboard
- This board also contains 2 LEDs connected to DVRP which are invisible from the outside but light up when the console is powered on. It is not known what is indicated by these LEDs.
- Known sub-revisions: