User`s manual

22 Base Unit
Floppy Interface Connector
GEME supports up to two floppy drives (360KB, 720KB, 1.2MB,
1.44MB, 2.88MB)
USB 2.0 Connector (GEME-S2000/S3000)
The USB connectors can be used for connecting any device that
conforms to the USB 2.0 specification. Many recent digital devices
conform to this standard. The USB interface supports Plug and
Play and Hot Swapping, which recognizes devices automatically
and enables you to connect or disconnect a device whenever you
want without powering down the computer.
X GEME-S series provides two connectors for USB 2.0 inter-
faces
Signal Name Pin Pin Signal Name
Ground 1 2 Drive density selection
Ground 3 4 No connect
No connect 5 6 Drive density selection
Ground 7 8 Index
Ground 9 10 Motor enable 0
Ground 11 12 Drive select 1
Ground 13 14 Drive select 0
Ground 15 16 Motor enable 1
Ground 17 18 Direction
Ground 19 20 Step
Ground 21 22 Write data
Ground 23 24 Write gate
Ground 25 26 Track 00
Ground 27 28 Write protect
Ground 29 30 Read data
Ground 31 32 Side 1 select
Ground 33 34 Diskette change
Table 2-20: Floppy Interface Connector