Installing System Options
AlphaStation 500 Series User Information 3-7
Table 3-2 System Board Components
Figure
Legend
Components
1
System board
2
Parallel Port (J41)
3
External SCSI (J42)
4
3.5 inch removable media interface connector (Floppy) (J38)
5
Keyboard (top) /Mouse (bottom) connectors (J39)
6
Serial ports (Comm 1, top/ Comm 2, bottom) (J40)
7
Audio card (J36)
8
SROM port (J24)
9
Power connector (+5V sense, -5V sense) (J21)
10
Power connector (+3.43 sense) (J8)
11
Power connector (+12V) (J7)
12
LED’s Halt/Reset cable connector (J5)
13
Diagnostic port (MFG only) (J4)
14
Locating pin holes (2 places)
15
Cache fan connector (J3)
16
Connectors for DIMM memory modules (J23, J24, J25, J26, J27, J28,
J29, J30)
17
Cache
18
System fan connector (J1)
19
Alpha CPU
20
Mounting holes (9 places)
21
CIA Bridge
22
Riser card (J34)
23
Media Adapter Unit (MAU) Connector Header (J32)
24
Internal SCSI Header (J37)