As it turned out, After the OS upgrade, the Sh Ver began showing the amount of Flash Ram. 5.0.3 did not show it.
Below is the 5.0.3 Sh Ver
Cisco Secure PIX Firewall Version 5.0(3)
Compiled on Sun 23-Jan-00 21:59 by pixbuild
TheWall up 25 days 2 hours
Hardware: PIX-515, 64 MB RAM, CPU Pentium 200 MHz
Flash i28F640J5 @ 0x300
BIOS Flash AT29C257 @ 0xfffd8000
0: ethernet0: address is 0050.54fe.f96a, irq 10
1: ethernet1: address is 0050.54fe.f96b, irq 7
2: ethernet2: address is 00d0.b71a.e0f6, irq 9
Licensed Features:
Failover: Enabled
VPN-DES: Disabled
VPN-3DES: Disabled
Maximum Interfaces: 6
Serial Number: 403340363 (0x180a7c4b)
Activation Key: 0x78720cf9 0x108bb064 0x4b92e021 0xbc1fd613
Here is the 6.1.4 Sh Ver
Hardware: PIX-515, 64 MB RAM, CPU Pentium 200 MHz
Flash i28F640J5 @ 0x300, 16MB
BIOS Flash AT29C257 @ 0xfffd8000, 32KB
0: ethernet0: address is 0050.54fe.f96a, irq 10
1: ethernet1: address is 0050.54fe.f96b, irq 7
2: ethernet2: address is 00d0.b71a.e0f6, irq 9
Licensed Features:
Failover: Enabled
VPN-DES: Disabled
VPN-3DES: Disabled
Maximum Interfaces: 6
Cut-through Proxy: Enabled
Guards: Enabled
Websense: Enabled
Inside Hosts: Unlimited
Throughput: Unlimited
ISAKMP peers: Unlimited
Serial Number: 403340363 (0x180a7c4b)
Activation Key: 0x78720cf9 0x108bb064 0x4b92e021 0xbc1fd613
Thanks for your help,