GDT6125, GDT6525, GDT6127, GDT6527 Hard Disk/Floppy Controller Settings and Configuration

Maximum Onboard Memory	32MB
Data Bus	32-bit PCI
Card Size	Full-height, three-quarter-length card
Hard Drives Supported	Up to 14 Wide SCSI devices
Floppy Drives Supported	None
RAID Levels Supported	RAID 0, 1, levels 4 and 5 on GDT6525 and GDT6527 only

CONNECTIONS
Function	Label	Function	Label
68-pin SCSI connector - external, channel A	J1	68-pin SCSI connector - internal, channel A	J5
50-pin SCSI connector - internal, channel A	J2	68-pin SCSI connector - internal, channel B	J6
Drive active LEDs - see pinout below	J3	RAID GAL	U1
50-pin SCSI connector - internal, channel B	J4

J3 PINOUT
Function	Pin	Function	Pin
Common	1	Channel B common	4
Common	2	Channel A active	5
Channel B active	3	Channel A common	6

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Active termination power enabled for channel A	TPA	Closed
	Active termination power disabled for channel A	TPA	Open
»	Active termination power enabled for channel B	TPB	Closed
	Active termination power disabled for channel B	TPB	Open

DRAM CONFIGURATION
Size	Bank 0
4MB	(1) 1M x 32
8MB	(1) 2M x 32
16MB	(1) 4M x 32
32MB	(1) 8M x 32
64MB	(1) 16M x 32

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
A	Yellow	On	SCSI channel A is active
A	Yellow	Off	SCSI channel A is not active
B	Yellow	On	SCSI channel B is active
B	Yellow	Off	SCSI channel B is not active
T	Green	On	Direct memory access is in progress
T	Green	Off	Direct memory access is not in progress
S	Green	On	Card is operating normally
S	Green	Off	An error has occurred