Verbindungsliste Presence Detect Mod. 95 sysboard

B1/67 PD0 - U49/02 (R111)
B1/68 PD1 - U49/04 (R112)
B1/69 PD2 - U49/06 (R127)
B1/70 PD3 - U49/08 (R128)

B1/48 ECC - U53/02 (R093)

B2/67 PD0 - U49/17 (R113)
B2/68 PD1 - U49/15 (R114)
B2/69 PD2 - U49/13 (R129)
B2/70 PD3 - U49/11 (R130)

B2/48 ECC - U53/04 (R105)

B3/67 PD0 - U51/02 (R115)
B3/68 PD1 - U51/04 (R116)
B3/69 PD2 - U51/06 (R131)
B3/70 PD3 - U51/08 (R132)

B3/48 ECC - U53/06 (R106)

B4/67 PD0 - U51/17 (R117)
B4/68 PD1 - U51/15 (R118)
B4/69 PD2 - U51/13 (R133)
B4/70 PD3 - U51/11 (R134)

B4/48 ECC - U53/12 (R107)

A1/67 PD0 - U50/02 (R120)
A1/68 PD1 - U50/04 (R119)
A1/69 PD2 - U50/06 (R136)
A1/70 PD3 - U50/08 (R135)

A1/48 ECC - U53/01 (R108)

A2/67 PD0 - U50/17 (R122)
A2/68 PD1 - U50/15 (R121)
A2/69 PD2 - U50/13 (R138)
A2/70 PD3 - U50/11 (R137)

A2/48 ECC - U53/03 (R109)

A3/67 PD0 - U52/02 (R124)
A3/68 PD1 - U52/04 (R123)
A3/69 PD2 - U52/06 (R140)
A3/70 PD3 - U52/08 (R139)

A3/48 ECC - U53/05 (R110)

A4/67 PD0 - U52/17 (R126)
A4/68 PD1 - U52/15 (R125)
A4/69 PD2 - U52/13 (R142)
A4/70 PD3 - U52/11 (R141)

A4/48 ECC - U53/11 (R079)


U49,U50, U51, U52 = 74ALS244
U53               = 74ALS30