Sega Mega-CD User Manual

MEGA-CD
S 0 FT.
CHECK
FLOW
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C H E C K C A R T R I D G E - - S::T~ART
CHECK CD
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MEGA-CD INTERFACE PART
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1. BOOT ROM READ CHECK
2. PROGRAM RAM R/W CHECK
3. BIOS TRANSFER SYSTEM TRANSFER
4. SUB CPU RESET CHECK
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------1
' COMMUNICATION CHECK
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1. COMMUNICATION FLAG R/W CHECK
2. COMMUNICASION PORT
3, STOPWATCH CHECK
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WORD RAM PART
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1. 2M MODE
2. 2M MODE
3. GRAPHIC
4. GRAPHIC
5. GRAPHIC
6. 1M MODE
7. 1M MODE
R/W CHECK
SELECT CHECK
MODE CHECK
OVERWRITE MODE CHECK
UNDERWRITE MODE CHECK
R/W CHECK
SWAP CHECK
8. 1M MODE OVERWRITE MODE CHECK
9, 1M MODE UNDERWRITE MODE CHECK
10. VRAM IMAGE CHECK
11. WORD RAM TO VRAM DMA CHECK
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PERIPHERAL IC
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1. PCM WAVE MEMORY R/W CHECI{
2. BACI{UP RAM CHECK
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CD INTERFACE PART
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1. CD-DRIVE CONNECTION CHECK(COMMUNICATION)
2. TOC READ CHECK
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CD-DATA READ CHECK
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1. SUB CPU READ CHECK
2. MAIN CPU READ CHECK
3. PROGRAM RAM DMA CHECK
4. PCM RAM DMA CHECK
5. WORD RAM 1M MODE DMA CHECK
6. WORD RAM 2M MODE DMA CHECK
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SOUND CHECK
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1. CD-DA CHECK
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END
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Sega Mega-CD Specifications

General

Media type	CD-ROM
CPU	Motorola 68000 @ 12.5 MHz
Manufacturer	Sega
Sound	Ricoh RF5C164
ROM	1 Mbit
Type	Video game console add-on
Release Date	October 15, 1992 (North America)
Graphics	512 colors
Power Supply	External power supply