CDROM-2 board: Difference between revisions

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==Particularities==
The only mass-produced front-loading NeoGeo CD board.
* No memory card slot, replaced with some [[battery-backed RAM]]
* DMA capable
* [[CDDA|CD Audio tracks]] playback


CDM4-2 board:
<center>[[File:Cd1_cdrom-2.jpg]]</center>


<center>[[File:cdm2_4-2mobo.jpg]]</center>
Changes:
*"VRAM bank 1" should be "Palette ram" ?
*"68k program DRAM" is also used for the 68k RAM
[[NEO-BUF]],
[[NEO-SFT]],
[[NEO-OFC]],
[[NEO-GRZ]],
[[68k|68k CPU]],
[[68k|68k CPU]],
[[User RAM|68k RAM]],
[[Battery-backed RAM]],
[[Battery-backed RAM]],
[[Palette RAM]],
[[System ROM]],
[[Z80|Z80 CPU]],
[[Clock]],
[[NEO-YSA]],
[[DRAM]],
[[DRAM]],
[[VRAM]],
[[LC98000]],
[[LC89515]],
[[LC89515]],
[[LC8953]],
[[LO|LO ROM]]
[[NEO-BUF]],
[[NEO-GRC]],
[[NEO-MGA]],
[[NEO-MGA]],
[[Clock]],
[[NEO-OFC]],
[[BIOSes|BIOS]],
[[NEO-SFT]],
[[Palette RAM]],
[[PSRAM]],
[[PSRAM]],
[[LO|LO ROM]]
[[68k user RAM|68k and Z80 RAM]],
[[VRAM]],
[[YM2610]],
[[Z80|Z80 CPU]]


[[Category:Chips]]
[[Category:Chips]]
[[Category:CD systems]]
[[Category:CD systems]]

Latest revision as of 01:49, 18 August 2025

The only mass-produced front-loading NeoGeo CD board.

File:Cd1 cdrom-2.jpg

68k CPU, Battery-backed RAM, System ROM, Clock, DRAM, LC89515, LC8953, LO ROM NEO-BUF, NEO-GRC, NEO-MGA, NEO-OFC, NEO-SFT, Palette RAM, PSRAM, 68k and Z80 RAM, VRAM, YM2610, Z80 CPU

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