MCA 32-bit

From HwB

Contents

Pinout

30+11+45 PIN EDGE CONNECTOR MALE at the card.
30+11+45 PIN EDGE CONNECTOR FEMALE at the computer.

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  A89...A60  A58...A48  A45............A1 <-(Component Side)
  B89...B60  B58...B48  B45............B1 <-(Circuit Side)

Side A (Component side)

Pin Name
A61 GND
A62 reserved
A63 reserved
A64 -SFDBKRTN
A65 +12 Vdc
A66 D 19
A67 D 20
A68 D 21
A69 +5 Vdc
A70 D 24
A71 D 25
A72 D 26
A73 +5 Vdc
A74 D 30
A75 D 31
A76 DPAR(3)
A77 +12 Vdc
A78 -BE 3
A79 -DS 32 RTN
A80 -CD DS 32
A81 +5 Vdc
A82 A 26
A83 A 27
A84 A 28
A85 +5 Vdc
A86 -APAREN
A87 -APAR(0)
A88 -APAR(1)
A89 GND

Side B (Circuit side)

Pin Name
B61 -SDR(1)
B62 -MSDR
B63 GND
B64 D 16
B65 D 17
B66 D 18
B67 GND
B68 D 22
B69 D 23
B70 DPAR(2)
B71 GND
B72 D 27
B73 D 28
B74 D 29
B75 GND
B76 -BE 0
B77 -BE 1
B78 -BE 2
B79 GND
B80 TR 32
B81 A 24
B82 A 25
B83 GND
B84 A 29
B85 A 30
B86 A 31
B87 GND
B88 APAR(2)
B89 APAR(3)

MCA memory-matched extensions

Side A (Component side)

Pin Name
AM4 Reserved
AM3 -MMC_CMD
AM2 Ground
AM1 -MMC

Side B (Circuit side)

Pin Name
BM4 Ground
BM3 Reserved
BM2 -MMCR
BM1 Reserved

MCA AVEC Auxiliary Video Extension Connector

Side A (Component side)

Pin Name
AV10 VSYNC
AV9 HSYNC
AV8 BLSNK
AV7 Ground
AV6 P6
AV5 EDCLK
AV4 DCLK
AV3 Ground
AV2 P7
AV1 EVIDEO

Side B (Circuit side)

Pin Name
BV10 ESYNC
BV9 Ground
BV8 P5
BV7 P4
BV6 P3
BV5 Ground
BV4 P2
BV3 P1
BV2 P0
BV1 Ground

See also

Contributions

Sources