Technical data

70
SCSI Connector
The SCSI connector is on side 2 of the riser card. The cable MCBL234A connects to the SCSI
connector and to the internal SCSI devices. The following shows the cable pinout. Pins not listed in
the table are connected to Ground.
Pin
Signal Pin Signal
26 Command Data-0 41 Attention
27 Command Data-1 43 Busy
28 Command Data-2 44 Acknowledge
29 Command Data-3 45 Reset
30 Command Data-4 46 Message
31 Command Data-5 47 Select
32 Command Data-6 48 Command
33 Command Data-7 49 Request
34 Command Data Parity 50 Input/Output
38 Terminator Power
Power Connector
The power supply cable P1 connects to the power connector.
Graphics Option Card Slot Assignments
Graphics cards are installed in specific PCI slots on the riser card. The following chart specifies the
slots where graphics boards are located.
NOTE Systems with onboard graphics use G95 accelerator on the system board, rather than an installed PCI
card.
G95
G95, Dual Screen (DS)
Slot 4
G95 card (first screen)
Slot 5
G95 card G95 card (second screen)
Intense 3D 1000 (I3D)
I3D, DS I3D with Geometry (G) I3D-G, DS
Slot 3
I3D card I3D card
Slot 4
I3D card I3D card I3D card I3D card
Slot 5
Geometry accelerator Geometry accelerator
Z13
Z13, DS Z13-G Z13-G, DS
Slot 1
Z13 card Z13 card
Slot 2
VGA card VGA card
Slot 3
Z13 card Z13 card Z13 card Z13 card
Slot 4
VGA card VGA card VGA card VGA card