53
Jumper Cable Description
J39 Not included Joystick/MIDI (do not connect cable to J40)
J40 Not included Audio line-in (do not connect cable to J39)
U1 N/A Primary processor
U2 N/A Secondary processor (or secondary processor bus
terminator)
J9 - MCBL106A, Floppy Drive (Data) Cable Pinout
Pin
Signal Pin Signal Pin Signal
2 RPM 14 DRV0- 26 TRK0-
4 No connect 16 MTR1- 28 WRPRT-
6 DRATE0 18 DIR 30 RDATA-
8 INDEX- 20 STEP- 32 HDSEL
10 MTR0- 22 WDATA- 34 DSKCHG
12 DRV1- 24 WGATE-
J7, 8 - MCBL121A, EIDE Data Cable Pinout
Pin
Signal Pin Signal Pin Signal
1 BRSTDRV- 15 D01+(1) 28 VCC
2 Ground 16 D01+(14) 29 DOAK0-
3 D01+(7) 17 D01+(0) 30 Ground
4 D01+(8) 18 D01+(15) 31 IRQ14
5 D01+(6) 19 Ground 32 IOCS16-
6 D01+(9) 20 — 33 DA1
7 D01+(5) 21 D0RQ0- 34 —
8 D01+(10) 22 Ground 35 DA0
9 D01+(4) 23 DOIOW- 36 DA2
10 D01+(11) 24 Ground 37 CS1P-
11 D01+(3) 25 D0IOR- 38 CS3P-
12 D01+(12) 26 Ground 39 IDEACTVP-
13 D01+(2) 27 IORDY 40 Ground
14 D01+(13)