CHA board

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Cartridge PCB which holds the C, V and S ROMs.

List from [MAME's source].

MVS

Name Chips Max C ROM Max S ROM Max M ROM
CHA-32
CHA-8M
CHAEP8M (Prototype) NEO-ZMC,NEO-273 8*1024 128 128
CHA-HERO
CHA256
CHA256B
CHA42G-1 NEO-ZMC,NEO-273 4*1024 128 128
CHA42G-2
CHA42G-3?
CHA42G-3B
CHA512Y NEO-ZMC,NEO-273 8*8192 128 128
CHA64-C NEO-ZMC
CHAFIO NEO-CMC42, NEO-CMC50
CHAMC2 NEO-ZMC,NEO-273 2*16384 512 512

CHA-32

CHA-8M

CHA256

C ROMs

Up to 8 * 32Mbit ROMs (27C322) can be used for a maximum of 256Mbit. 27C800/27C160 can also be used depending on jumper configuration.

The size of largest ROM is selected using a pair of jumpers. The rest should be left unconnected.

Largest C ROM Jumper set
8Mbit J5+J6
16Mbit J7+J8
32Mbit J9+J10

A NEO-273 and a LS74 are used to address C ROM. The LS74 provides the 2 most significant bits. The LS139 enables one of four pairs of C ROMs using 2 address inputs depending on which 2 jumpers are connected.

J5 J7 J9 ?
ROM number LSB is A19 ROM number LSB is A20 ROM number LSB is LS74 Q2 (A21 ?) ?
J6 J8 J10 ?
ROM number MSB is A20 ROM number MSB is LS74 Q2 (A21 ?) ROM number MSB is LS74 Q1 (A22 ?) ?

CHA256B

CHA42G

CHA42G-1

CHA42G-2

CHA42G-3

CHA42G-3B

CHA512Y

CHA64-C

For Neo Print carts.

CHAFIO

Used with NEO-CMC 90G06C7042 or NEO-CMC 90G06C7050

  • pcb version (1999.6.14) - 1999 - 90G06C7042 - 070 - Zupapa -
  • pcb version (1999.6.14) - 1999 - 90G06C7042 - 251 - The King Of Fighters 99
  • pcb version (1999.6.14) - 1999 - 90G06C7042 - 252 - Ganryu
  • pcb version (1999.6.14) - 1999 - 90G06C7042 - 253 - Garou
  • pcb version (1999.6.14) - 1999 - 90G06C7042 - 254 - Strikers 1945 Plus
  • pcb version (1999.6.14) - 1999 - 90G06C7042 - 255 - Prehistoric Isle 2
  • pcb version (1999.6.14) - 1999 - 90G06C7042 - 256 - Metal Slug 3
  • pcb version (1999.6.14) - 1999 - 90G06C7042 - 259 - Bang Bead
  • pcb version (1999.6.14) - 1999 - 90G06C7042 - 260 - Nightmare in the Dark
  • pcb version (1999.6.14) - 1999 - 90G06C7042 - 261 - Sengoku 3
  • pcb version (1999.6.14) - 1999 - 90G06C7050 - 008 - Jockey Grand Prix
  • pcb version (1999.6.14) - 1999 - 90G06C7050 - 257 - The King Of Fighters 2000
  • pcb version ( REV1.0 ) - 2001 - 90G06C7050 - 262 - The King Of Fighters 2001
  • pcb version (SNK2002) - 2002 - 90G06C7050 - 263 - Metal Slug 4
  • pcb version (1999.6.14) - 1999 - 90G06C7050 - 264 - Rage Of the Dragons
  • pcb version (1999.6.14) - 1999 - 90G06C7050 - 265 - The King Of Fighters 2002
  • pcb version (1999.6.14) - 1999 - 90G06C7050 - 266 - Power Instinct - Matrimelee
  • pcb version (1999.6.14) - 1999 - 90G06C7050 - 267 - Pochi and Nyaa
  • pcb version (2003.7.24) - 2003 - 90G06C7050 - 268 - Metal Slug 5
  • pcb version (2003.7.24) - 2003 - 90G06C7050 - 269 - SNK Vs Capcom Chaos
  • pcb version (2003.7.24) - 2003 - 90G06C7050 - 270 - Samurai Spirits Zero
  • pcb version (2003.7.24) - 2003 - 90G06C7050 - 271 - The King Of Fighters 2003
  • pcb version (2003.7.24) - 2003 - 90G06C7050 - 270 - Samurai Spirits Zero Special

CHAFIO REV1.0 (KOF-2001)

CHAFIO

  • Max 8x 64Mbits (4Mb x 16) C ROMs
  • Max 1x 4Mbits (512Kb x8) M1 ROM
  • used only with NEO-CMC 90G06CF7042 and 90G06C7050

CHAMC2(Prototype Board)

[Billy Pit's Neo-Geo Proto Page] or [[1]]