Reference Manual

Turbo PMAC/PMAC2 Software Reference
Turbo PMAC Global I-Variables 165
The following table shows what each part of I4909 returns and what each part means.
I4909 Bit #s
Bit Values
Meaning
0 7 (I39=0)
0 7 (I39=1)
$FF (I39=0)
$FF (I39=1)
=1: Vendor is Delta Tau
8 (I39=0)
0 (I39=2)
$100 (I39=0)
$1 (I39=2)
=0: Standard (128k x 24) user data memory (Opt 5x0,2)
=1: Extended (512k x 24) user data memory (Opt 5x1,3)
9 (I39=0)
1 (I39=2)
$200 (I39=0)
$2 (I39=2)
=0: Standard (128k x 24) program memory (Opt 5x0,1)
=1: Extended (512k x 24) program memory (Opt 5x2,3)
10,11 (I39=0)
2,3 (I39=2)
$C00 (I39=0)
$C (I39=2)
=0: No dual-ported RAM
=1: 8k x 16 dual-ported RAM (Opt 2x)
=3: 32k x 16 dual-ported RAM (Opt 2x)
12,13 (I39=0)
4,5 (I39=2)
$3000 (I39=0)
$30 (I39=2)
=0: No battery-backed RAM
=1: 32k x 24 battery-backed RAM (Opt 16A)
=3: 128k x 24 battery-backed RAM (Opt 16B)
14,15,16 (I39=0)
6,7,8 (I39=2)
$1C000 (I39=0)
$1C0 (I39=2)
=0: Unknown flash IC (cannot save)
=1: Intel 28F004S3 512k x 8 flash IC
=2: Intel 28F008S3 1M x 8 flash IC (Opt 5x0)
=3: Intel 28F016S3 2M x 8 flash IC (Opt 5x1,2)
=4: Intel 28F160S3 2M x 8 flash IC (Opt 5x1,2)
=5: Intel 28F320S3 4M x 8 flash IC (Opt 5x3)
=6: Intel 28F320J5 4M x 8 flash IC (Opt 5x3)
=7: Intel 28F640J5 8M x 8 flash IC
17 (I39=0)
9 (I39=2)
$20000 (I39=0)
$200 (I39=2)
=0: Aux. RS232 not present or not active
=1: Aux. RS232 present (Opt 9T) and active (I53>0)
18 21 (I39=0)
0 3 (I39=3)
$3C0000 (I39=0)
$F (I39=3)
=0: DSP56303 CPU
=1: DSP56309 CPU
>1: (Reserved)
22 35 (I39=0)
0 13 (I39=4)
$FFFC00000 (I39=0)
$3FFF (I39=4)
(Last 4 digits of card part number)
I4910 I4925 Servo IC Card Identification
Range: $000000000 $FFFFFFFFF
Units: none (individual bits)
Default: --
I4910 I4925 are read-only status I-variables that report configuration information for UMAC accessory
boards that contain Servo ICs, such as the Acc-24E2 family and the Acc-51E.