Apple Macintosh LC Processor-Direct Slot (PDS)

From HwB

Todo: This page needs some editing.
LC PDS connector
Ethernet card with LC PDS connector

PDS = Processor Direct Slot

Available on Apple Macintosh LC computers.

LC PDS was more flexible compared to non-LC PDS.

Pinout

96 pin connector.

Pin Row A Row B Row C
1 SNDOUT CH.GND /FPU.SEL
2 /SLOTIRQ.E R/W /DS
3 /PDS.AS +5V /BERR
4 /PDS.DSACK1 +5V /PDS.DSACK0
5 /HALT SIZ1 SIZ0
6 FC2 GND FC1
7 FC0 CLK16M /RESET
8 /RMC GND /PDS.BG
9 D31 D30 D29
10 D28 D27 D26
11 D25 D24 D23
12 D22 D21 D20
13 D19 D18 D17
14 D16 D15 D14
15 D13 D12 D11
16 D10 D9 D8
17 /BGACK /BR A0
18 A1 A31 A27
19 A26 A25 A24
20 A23 A22 A21
21 A20 /IPL2 /IPL1
22 /IPL0 D3 D4
23 D2 D5 D6
24 D1 D0 D7
25 A4 A2 A3
26 A6 A12 A5
27 A11 A13 A7
28 A9 A8 A10
29 A16 A15 A14
30 A18 A17 A19
31 /FANSPEED 16MASTER /FC3
32 +12V GND –5V
33 not present not present not present
34 not present not present not present
35 A28 /CPU.BG CPU.CLK
36 A29 +5V A30
37 /CIOUT /CPU.AS /STERM
38 /CBACK /CPU.DISABL /CBREQ
39 /SLOTIRQ.D /CPU.DSACK0 /SLOTIRQ.C
40 CACHE.HIT GND /CPU.DSACK1

Source