Technical Reference
65
Table 39. ATAPI-Style CD-ROM Connector
Pin Signal Name
1 Left audio input from CD-ROM
2 CD audio differential ground
3 CD audio differential ground
4 Right audio input from CD-ROM
Table 40. Diskette Drive Connector
Pin Signal Name Pin Signal Name
1 Ground 2 DENSEL
3 Key 4 Not connected
5 Key 6 DRVDEN1
7 Ground 8 FDINDX#
9 Ground 10 MTR0# (Motor Enable A)
11 Ground 12 Not connected
13 Ground 14 DS0# (Drive Select A)
15 Ground 16 Not connected
17 Not connected 18 DIR# (Stepper Motor Direction)
19 Ground 20 STEP# (Step Pulse)
21 Ground 22 WDATA# (Write Data)
23 Ground 24 WGATE# (Write Enable)
25 Ground 26 TRK0# (Track 0)
27 Not connected 28 WRTPRT# (Write Protect)
29 Ground 30 RDATA# (Read Data)
31 Ground 32 HDSEL# (Side 1 Select)
33 Ground 34 DSKCHG# (Diskette Change)
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